Test Plugs

Plumboss Pressed Steel Test Plug 8in (200mm) | 8PS

Plumboss Pressed Steel Test Plug 8in (200mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Double Seal Test Plug 8in (200mm) | 8DS

Plumboss Double Seal Test Plug 8in (200mm) Stable sealing for uneven pipe surfaces The Plumboss Double Seal Test Plug is designed for pipeline testing where uneven pipe surfaces or longer duration sealing requires extra stability. The double seal design helps centralise the plug within the pipe, creating a secure and consistent seal during testing and maintenance operations. Double seal test plugs are commonly used where pipe bores are irregular or where a more stable seal is required for extended testing periods. The dual sealing system improves stability and helps the plug resist movement under pressure, making it suitable for demanding pipeline test environments. For uneven wall surfaces, ensures squarer seal. 4in - 15in PRODUCT CODE DESCRIPTION MIN/MAX - (mm) BSP OUTLET SIZE 4DS TEST PLUG DOUBLE SEAL 4in (100mm) 94 - 110 ½in 6DS TEST PLUG DOUBLE SEAL 6in (150mm) 146 - 163 ½in 8DS TEST PLUG DOUBLE SEAL 8in (200mm) 191 - 211 1in 9DS TEST PLUG DOUBLE SEAL 9in (225mm) 216 - 235 1in 10DS TEST PLUG DOUBLE SEAL 10in (250mm) 244 - 260 1in 12DS TEST PLUG DOUBLE SEAL 12in (300mm) 296 - 314 1in 15DS TEST PLUG DOUBLE SEAL 15in (375mm) 365 - 400 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Pressed Steel Test Plug 7in (175mm) | 7PS

Plumboss Pressed Steel Test Plug 7in (175mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Pressed Steel Test Plug 6in (150mm) | 6PS

Plumboss Pressed Steel Test Plug 6in (150mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Nylon Test Plug 6in (150mm) | 6NYL

Plumboss Nylon Test Plug 6in (150mm) Lightweight corrosion-resistant test plugs The Plumboss Nylon Test Plug provides a lightweight and corrosion resistant solution for sealing pipework during pressure testing and maintenance. The durable nylon construction offers reliable sealing while remaining easy to handle and install. Nylon test plugs are commonly used for pipe stopping, pressure testing and temporary sealing where a corrosion resistant and lightweight option is preferred. They are suitable for plumbing, drainage and industrial pipeline applications where repeated installation and removal may be required. Product Code Description Min/Max - (mm) BSP Outlet Size 3NYL TEST PLUG NYLON 3 inch (75mm) 74-87 1 1/2" 4NYL TEST PLUG NYLON 4 inch (100mm) 97-107 1/2" 6NYL TEST PLUG NYLON 6 inch (150mm) 149-165 1/2" Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Double Seal Test Plug 6in (150mm) | 6DS

Plumboss Double Seal Test Plug 6in (150mm) Stable sealing for uneven pipe surfaces The Plumboss Double Seal Test Plug is designed for pipeline testing where uneven pipe surfaces or longer duration sealing requires extra stability. The double seal design helps centralise the plug within the pipe, creating a secure and consistent seal during testing and maintenance operations. Double seal test plugs are commonly used where pipe bores are irregular or where a more stable seal is required for extended testing periods. The dual sealing system improves stability and helps the plug resist movement under pressure, making it suitable for demanding pipeline test environments. For uneven wall surfaces, ensures squarer seal. 4in - 15in PRODUCT CODE DESCRIPTION MIN/MAX - (mm) BSP OUTLET SIZE 4DS TEST PLUG DOUBLE SEAL 4in (100mm) 94 - 110 ½in 6DS TEST PLUG DOUBLE SEAL 6in (150mm) 146 - 163 ½in 8DS TEST PLUG DOUBLE SEAL 8in (200mm) 191 - 211 1in 9DS TEST PLUG DOUBLE SEAL 9in (225mm) 216 - 235 1in 10DS TEST PLUG DOUBLE SEAL 10in (250mm) 244 - 260 1in 12DS TEST PLUG DOUBLE SEAL 12in (300mm) 296 - 314 1in 15DS TEST PLUG DOUBLE SEAL 15in (375mm) 365 - 400 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Canvas Test Bag 6in (150mm) | 6CTB

Plumboss Canvas Test Bag 6in (150mm) Designed for restricted pipe inspection openings The Plumboss Canvas Test Bag is designed for pipe testing where the inspection opening is smaller than the internal diameter of the pipe being tested. The durable canvas outer casing protects the internal rubber bladder while allowing the bag to expand and create a reliable seal inside the pipe. Supplied with a 4ft (1200mm) rubber hose and standard tyre valve fitting, the test bag allows easy inflation and controlled pressure during testing. Canvas test bags are typically used where a traditional rubber test ball cannot be inserted due to limited access.

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$0.01
Plumboss Aluminium Test Plug 6 In (150mm) | 6AL

Plumboss Aluminium Test Plug 6 In (150mm) Reliable sealing for pipe testing and isolation The Plumboss Aluminium Test Plug is designed for sealing pipework during pressure testing, maintenance and system commissioning. Lightweight aluminium construction provides a durable and corrosion-resistant solution for reliably sealing pipelines across a wide range of pipe sizes. Aluminium test plugs are commonly used for leak testing, isolation, sealing, stopping and purging pipework. Their simple mechanical expansion design makes them ideal for applications where a quick, secure seal is required during plumbing, drainage, civil and industrial pipeline testing. For sealing when testing pipe lines from 1 1/2in up to 48in PRODUCT CODE DESCRIPTION MIN/MAX (mm) BSP OUTLET SIZE 1½AL TEST PLUG ALUMINIUM 1 ½in (38mm) 36 - 48 ½in 2AL TEST PLUG ALUMINIUM 2in (50mm) 49 - 60 ½in 2½AL TEST PLUG ALUMINIUM 2 ½in (65mm) 61 - 75 ½in 3AL TEST PLUG ALUMINIUM 3in (75mm) 73 - 85 ½in 4AL TEST PLUG ALUMINIUM 4in (100mm) 94 - 110 ½in 6AL TEST PLUG ALUMINIUM 6in (150mm) 146 - 163 ½in 21AL TEST PLUG ALUMINIUM 21in (525mm) 520 - 555 2in 24AL TEST PLUG ALUMINIUM 24in (600mm) 590 - 630 2in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Nylon Test Plug 4in (100mm) | 4NYL

Plumboss Nylon Test Plug 4in (100mm) Lightweight corrosion-resistant test plugs The Plumboss Nylon Test Plug provides a lightweight and corrosion-resistant solution for sealing pipework during pressure testing and maintenance. The durable nylon construction offers reliable sealing while remaining easy to handle and install. Nylon test plugs are commonly used for pipe stopping, pressure testing and temporary sealing where a corrosion-resistant and lightweight option is preferred. They are suitable for plumbing, drainage and industrial pipeline applications where repeated installation and removal may be required. Lightweight, corrosion resistant test plugs Product Code Description Min/Max - (mm) BSP Outlet Size 3NYL TEST PLUG NYLON 3 inch (75mm) 74-87 1 1/2" 4NYL TEST PLUG NYLON 4 inch (100mm) 97-107 1/2" 6NYL TEST PLUG NYLON 6 inch (150mm) 149-165 1/2" Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Canvas Test Bag 4in (100mm) | 4CTB

Plumboss Canvas Test Bag 4in (100mm) Designed for restricted pipe inspection openings The Plumboss Canvas Test Bag is designed for pipe testing where the inspection opening is smaller than the internal diameter of the pipe being tested. The durable canvas outer casing protects the internal rubber bladder while allowing the bag to expand and create a reliable seal inside the pipe. Supplied with a 4ft (1200mm) rubber hose and standard tyre valve fitting, the test bag allows easy inflation and controlled pressure during testing. Canvas test bags are typically used where a traditional rubber test ball cannot be inserted due to limited access.

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$0.01
Plumboss Aluminium Test Plug 4 In (100mm) | 4AL

Plumboss Aluminium Test Plug 4 In (100mm) Reliable sealing for pipe testing and isolation The Plumboss Aluminium Test Plug is designed for sealing pipework during pressure testing, maintenance and system commissioning. Lightweight aluminium construction provides a durable and corrosion-resistant solution for reliably sealing pipelines across a wide range of pipe sizes. Aluminium test plugs are commonly used for leak testing, isolation, sealing, stopping and purging pipework. Their simple mechanical expansion design makes them ideal for applications where a quick, secure seal is required during plumbing, drainage, civil and industrial pipeline testing. For sealing when testing pipe lines from 1 1/2in up to 48in PRODUCT CODE DESCRIPTION MIN/MAX (mm) BSP OUTLET SIZE 1½AL TEST PLUG ALUMINIUM 1 ½in (38mm) 36 - 48 ½in 2AL TEST PLUG ALUMINIUM 2in (50mm) 49 - 60 ½in 2½AL TEST PLUG ALUMINIUM 2 ½in (65mm) 61 - 75 ½in 3AL TEST PLUG ALUMINIUM 3in (75mm) 73 - 85 ½in 4AL TEST PLUG ALUMINIUM 4in (100mm) 94 - 110 ½in 6AL TEST PLUG ALUMINIUM 6in (150mm) 146 - 163 ½in 21AL TEST PLUG ALUMINIUM 21in (525mm) 520 - 555 2in 24AL TEST PLUG ALUMINIUM 24in (600mm) 590 - 630 2in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Aluminium Test Plug 3in (75mm) | 3AL

Plumboss Aluminium Test Plug 3in (75mm) Reliable sealing for pipe testing and isolation The Plumboss Aluminium Test Plug is designed for sealing pipework during pressure testing, maintenance and system commissioning. Lightweight aluminium construction provides a durable and corrosion resistant solution for reliably sealing pipelines across a wide range of pipe sizes. Aluminium test plugs are commonly used for leak testing, isolation, sealing, stopping and purging pipework. Their simple mechanical expansion design makes them ideal for applications where a quick, secure seal is required during plumbing, drainage, civil and industrial pipeline testing. For sealing when testing pipe lines from 1 1/2in up to 48in PRODUCT CODE DESCRIPTION MIN/MAX (mm) BSP OUTLET SIZE 1½AL TEST PLUG ALUMINIUM 1 ½in (38mm) 36 - 48 ½in 2AL TEST PLUG ALUMINIUM 2in (50mm) 49 - 60 ½in 2½AL TEST PLUG ALUMINIUM 2 ½in (65mm) 61 - 75 ½in 3AL TEST PLUG ALUMINIUM 3in (75mm) 73 - 85 ½in 4AL TEST PLUG ALUMINIUM 4in (100mm) 94 - 110 ½in 6AL TEST PLUG ALUMINIUM 6in (150mm) 146 - 163 ½in 21AL TEST PLUG ALUMINIUM 21in (525mm) 520 - 555 2in 24AL TEST PLUG ALUMINIUM 24in (600mm) 590 - 630 2in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Pressed Steel Test Plug 2½in (65mm) | 2.5PS

Plumboss Pressed Steel Test Plug 2½in (65mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Aluminium Test Plug 2½in (65mm) | 2.5AL

Plumboss Aluminium Test Plug 2½in (65mm) Reliable sealing for pipe testing and isolation The Plumboss Aluminium Test Plug is designed for sealing pipework during pressure testing, maintenance and system commissioning. Lightweight aluminium construction provides a durable and corrosion resistant solution for reliably sealing pipelines across a wide range of pipe sizes. Aluminium test plugs are commonly used for leak testing, isolation, sealing, stopping and purging pipework. Their simple mechanical expansion design makes them ideal for applications where a quick, secure seal is required during plumbing, drainage, civil and industrial pipeline testing. For sealing when testing pipe lines from 1 1/2in up to 48in PRODUCT CODE DESCRIPTION MIN/MAX (mm) BSP OUTLET SIZE 1½AL TEST PLUG ALUMINIUM 1 ½in (38mm) 36 - 48 ½in 2AL TEST PLUG ALUMINIUM 2in (50mm) 49 - 60 ½in 2½AL TEST PLUG ALUMINIUM 2 ½in (65mm) 61 - 75 ½in 3AL TEST PLUG ALUMINIUM 3in (75mm) 73 - 85 ½in 4AL TEST PLUG ALUMINIUM 4in (100mm) 94 - 110 ½in 6AL TEST PLUG ALUMINIUM 6in (150mm) 146 - 163 ½in 21AL TEST PLUG ALUMINIUM 21in (525mm) 520 - 555 2in 24AL TEST PLUG ALUMINIUM 24in (600mm) 590 - 630 2in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Pressed Steel Test Plug 18in (450mm) | 18PS

Plumboss Pressed Steel Test Plug 18in (450mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Pressed Steel Test Plug 15in (375mm) | 15PS

Plumboss Pressed Steel Test Plug 15in (375mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Double Seal Test Plug 15in (375mm) | 15DS

Plumboss Double Seal Test Plug 15in (375mm) Stable sealing for uneven pipe surfaces The Plumboss Double Seal Test Plug is designed for pipeline testing where uneven pipe surfaces or longer duration sealing requires extra stability. The double seal design helps centralise the plug within the pipe, creating a secure and consistent seal during testing and maintenance operations. Double seal test plugs are commonly used where pipe bores are irregular or where a more stable seal is required for extended testing periods. The dual sealing system improves stability and helps the plug resist movement under pressure, making it suitable for demanding pipeline test environments. For uneven wall surfaces, ensures squarer seal. 4in - 15in PRODUCT CODE DESCRIPTION MIN/MAX - (mm) BSP OUTLET SIZE 4DS TEST PLUG DOUBLE SEAL 4in (100mm) 94 - 110 ½in 6DS TEST PLUG DOUBLE SEAL 6in (150mm) 146 - 163 ½in 8DS TEST PLUG DOUBLE SEAL 8in (200mm) 191 - 211 1in 9DS TEST PLUG DOUBLE SEAL 9in (225mm) 216 - 235 1in 10DS TEST PLUG DOUBLE SEAL 10in (250mm) 244 - 260 1in 12DS TEST PLUG DOUBLE SEAL 12in (300mm) 296 - 314 1in 15DS TEST PLUG DOUBLE SEAL 15in (375mm) 365 - 400 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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$0.01
Plumboss Test Plug Pressed Steel 13 inch (330mm) | 13PS

PRESSED STEEL TEST PLUGS - Pipe Plug Single Seal 13" (330mm) Used as Pipe Stops, Pressure Testing and for Pipe Purging Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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Plumboss Pressed Steel Test Plug 12in (300mm) | 12PS

Plumboss Pressed Steel Test Plug 12in (300mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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Plumboss Double Seal Test Plug 12in (300mm) | 12DS

Plumboss Double Seal Test Plug 12in (300mm) Stable sealing for uneven pipe surfaces The Plumboss Double Seal Test Plug is designed for pipeline testing where uneven pipe surfaces or longer duration sealing requires extra stability. The double seal design helps centralise the plug within the pipe, creating a secure and consistent seal during testing and maintenance operations. Double seal test plugs are commonly used where pipe bores are irregular or where a more stable seal is required for extended testing periods. The dual sealing system improves stability and helps the plug resist movement under pressure, making it suitable for demanding pipeline test environments. For uneven wall surfaces, ensures squarer seal. 4in - 15in PRODUCT CODE DESCRIPTION MIN/MAX - (mm) BSP OUTLET SIZE 4DS TEST PLUG DOUBLE SEAL 4in (100mm) 94 - 110 ½in 6DS TEST PLUG DOUBLE SEAL 6in (150mm) 146 - 163 ½in 8DS TEST PLUG DOUBLE SEAL 8in (200mm) 191 - 211 1in 9DS TEST PLUG DOUBLE SEAL 9in (225mm) 216 - 235 1in 10DS TEST PLUG DOUBLE SEAL 10in (250mm) 244 - 260 1in 12DS TEST PLUG DOUBLE SEAL 12in (300mm) 296 - 314 1in 15DS TEST PLUG DOUBLE SEAL 15in (375mm) 365 - 400 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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Plumboss Pressed Steel Test Plug 10in (250mm) | 10PS

Plumboss Pressed Steel Test Plug 10in (250mm) Heavy-duty sealing for pipe testing The Plumboss Pressed Steel Test Plug is designed for sealing pipelines during pressure testing, pipe stopping and purging applications. Manufactured from durable pressed steel, these plugs provide a strong and reliable mechanical seal inside the pipe. Pressed steel test plugs are ideal for higher-pressure applications where a stronger and more durable solution is required. Commonly used as pipe stops, for pressure testing and pipe purging, they provide a dependable temporary seal in plumbing, civil, drainage and industrial pipeline systems. Product Code Description Min/Max - (mm) BSP Outlet Size 1 1/2PS TEST PLUG PRESSED STEEL 1 1/2in (38mm) 36-48 1½in 2PS TEST PLUG PRESSED STEEL 2in (50mm) 49-60 ½in 2 1/2ps TEST PLUG PRESSED STEEL 2 1/2in (65mm) 61-75 ½in 3PS TEST PLUG PRESSED STEEL 3in (75mm) 73-85 ½in 4PS TEST PLUG PRESSED STEEL 4in (100mm) 94-110 ½in 5PS TEST PLUG PRESSED STEEL 5in (125mm) 121-138 ½in 6PS TEST PLUG PRESSED STEEL 6in (150mm) 146-163 ½in 7PS TEST PLUG PRESSED STEEL 7in (175mm) 170 - 195 1in 8PS TEST PLUG PRESSED STEEL 8in (200mm) 191-211 1in 9PS TEST PLUG PRESSED STEEL 9in (225mm) 216-235 1in 10PS TEST PLUG PRESSED STEEL 10in (250mm) 244-260 1in 12PS TEST PLUG PRESSED STEEL 12in (300mm) 296-314 1in 15PS TEST PLUG PRESSED STEEL 15in (375mm) 365-400 1in 18PS TEST PLUG PRESSED STEEL 18in (450mm) 440-475 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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Plumboss Double Seal Test Plug 10in (250mm) | 10DS

Plumboss Double Seal Test Plug 10in (250mm) Stable sealing for uneven pipe surfaces The Plumboss Double Seal Test Plug is designed for pipeline testing where uneven pipe surfaces or longer duration sealing requires extra stability. The double seal design helps centralise the plug within the pipe, creating a secure and consistent seal during testing and maintenance operations. Double seal test plugs are commonly used where pipe bores are irregular or where a more stable seal is required for extended testing periods. The dual sealing system improves stability and helps the plug resist movement under pressure, making it suitable for demanding pipeline test environments. For uneven wall surfaces, ensures squarer seal. 4in - 15in PRODUCT CODE DESCRIPTION MIN/MAX - (mm) BSP OUTLET SIZE 4DS TEST PLUG DOUBLE SEAL 4in (100mm) 94 - 110 ½in 6DS TEST PLUG DOUBLE SEAL 6in (150mm) 146 - 163 ½in 8DS TEST PLUG DOUBLE SEAL 8in (200mm) 191 - 211 1in 9DS TEST PLUG DOUBLE SEAL 9in (225mm) 216 - 235 1in 10DS TEST PLUG DOUBLE SEAL 10in (250mm) 244 - 260 1in 12DS TEST PLUG DOUBLE SEAL 12in (300mm) 296 - 314 1in 15DS TEST PLUG DOUBLE SEAL 15in (375mm) 365 - 400 1in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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Plumboss Aluminium Test Plug 1½in (38mm) | 1.5AL

Plumboss Aluminium Test Plug 1½in (38mm) Reliable sealing for pipe testing and isolation The Plumboss Aluminium Test Plug is designed for sealing pipework during pressure testing, maintenance and system commissioning. Lightweight aluminium construction provides a durable and corrosion-resistant solution for reliably sealing pipelines across a wide range of pipe sizes. Aluminium test plugs are commonly used for leak testing, isolation, sealing, stopping and purging pipework. Their simple mechanical expansion design makes them ideal for applications where a quick, secure seal is required during plumbing, drainage, civil and industrial pipeline testing. For sealing when testing pipe lines from 1 1/2in up to 48in PRODUCT CODE DESCRIPTION MIN/MAX (mm) BSP OUTLET SIZE 1½AL TEST PLUG ALUMINIUM 1 ½in (38mm) 36 - 48 ½in 2AL TEST PLUG ALUMINIUM 2in (50mm) 49 - 60 ½in 2½AL TEST PLUG ALUMINIUM 2 ½in (65mm) 61 - 75 ½in 3AL TEST PLUG ALUMINIUM 3in (75mm) 73 - 85 ½in 4AL TEST PLUG ALUMINIUM 4in (100mm) 94 - 110 ½in 6AL TEST PLUG ALUMINIUM 6in (150mm) 146 - 163 ½in 21AL TEST PLUG ALUMINIUM 21in (525mm) 520 - 555 2in 24AL TEST PLUG ALUMINIUM 24in (600mm) 590 - 630 2in Operating Pressure Sizes This is a guide to the maximum back pressure for the different types and sizes of test plugs. These pressures will vary depending on cleanliness and condition of pipe bore and ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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Plumboss Plug Safe - Right Angle Adaptor with 6in Test Plug | PSBW-6PS

Plumboss Plug Safe - Right Angle Adaptor with 6in Test Plug External tightening test plug system The Plumboss Plug Safe system is an Australian-made solution designed to prevent losing test plugs down inspection openings while allowing tightening from outside the pipe. The zinc‑plated steel adaptor features a 200mm handle so the plug can be installed and tightened externally, keeping hands clear of the pipe and reducing the risk of cuts, abrasions and lost plugs. Using a screw and wedge mechanism, the Plug Safe system grips significantly tighter than standard hand tightening. Ideal for pipe stopping, pressure testing and maintenance work where inspection openings limit access inside the pipe. Operating Pressure Sizes This is a guide to the maximum back pressure for different types and sizes of test plugs. These pressures will vary depending on the cleanliness and condition of the pipe bore and the ambient temperature. ½” (12.5mm) to (30mm) 30 psi 1½” (40mm) to (300mm) 7 psi 13” (325mm) to (1200mm) 5 psi Over 40” (1200mm) 3 psi

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Test plugs are essential tools used in plumbing systems to temporarily seal pipes during pressure testing, maintenance, or repairs. Designed to fit securely into pipe openings, these plugs effectively block the flow of liquids or gases, allowing for accurate testing or servicing without leaks or disruptions. Crafted from durable materials such as rubber, plastic, aluminium or pressed steel, these plugs come in various sizes to accommodate different pipe diameters. Their versatility makes them indispensable for plumbers, contractors, and DIY enthusiasts alike, ensuring efficient and reliable plumbing installations and repairs. Whether for residential, commercial, or industrial applications, our test plugs provide a dependable solution for sealing pipes and ensuring the integrity of plumbing systems.

Test plugs including mechanical test plugs, pneumatic test plugs, drain test caps and accessories

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