Key Features
- Aluminum plates combine strength with lightness.
- Chemical-resistant seals can be supplied to order.
- “Double Seal” plugs can be supplied to order.
- Steel components are zinc plated to a 90-hour salt spray test.
- Carries the CRYSTAL name – quality guaranteed.
- Nominal pipe sizes, minimum and maximum pipe diameters each plug will fit, maximum test pressure, and weight of plug are below
Sizes & Dimensions
| Pipe Size Internal Nominal Diameter | Will Fit Pipes With Internal Diameter | Overall length | Diameter of waterway | Maximum allowable back pressure | Approx. Weight |
| 40mm / 1 1/2" | 38mm-50mm | 94mm | 1/2" | 30 p.s.i. | 0.17kg |
| 50mm / 2" | 49mm-62mm | 90mm | 1/2" | 30 p.s.i. | 0.22kg |
| 65mm / 2 1/2" | 62mm-77mm | 92mm | 1/2" | 30 p.s.i. | 0.27kg |
| 75mm / 3" | 73mm-89mm | 94mm | 1/2" | 20 p.s.i. | 0.31kg |
| 90mm / 3 1/2" | 84mm-103mm | 96mm | 1/2" | 15 p.s.i | 0.36kg |
| 100mm / 4" | 94mm-110mm | 94mm | 1/2" | 10 p.s.i | 0.36kg |
| 114mm / 4 1/2" | 112mm-130mm | 140mm | 1/2" | 10 p.s.i | 0.47kg |
| 125mm / 5" | 125mm-142mm | 95mm | 1/2" | 10 p.s.i | 0.79kg |
| 150mm / 6" | 146mm-168mm | 96mm | 1/2" | 10 p.s.i | 0.70kg |
| 175mm / 7" | 175mm-200mm | 100mm | 1" | 7 p.s.i | 1.92kg |
| 200mm / 8" | 193mm-220mm | 100mm | 1" | 7 p.s.i | 1.59kg |
| 225mm / 9" | 220mm-240mm | 170mm | 1" | 7 p.s.i | 2.06kg |
| 250mm / 10" | 245mm-270mm | 178mm | 1" | 7 p.s.i | 2.52kg |
| 275mm / 11" | 274mm-328mm | 200mm | 1" | 7 p.s.i | 3.45kg |
| 300mm / 12" | 295mm-325mm | 200mm | 1" | 7 p.s.i | 3.42kg |
| 325mm / 13" | 325mm-360mm | 230mm | 1" | 5 p.s.i | 4.75kg |
| 350mm / 14" | 350mm-385mm | 215mm | 1" | 5 p.s.i | 6.95kg |
| 375mm / 15" | 370mm-410mm | 225mm | 1" | 5 p.s.i | 5.35kg |
| 400mm / 16" | 390mm-435mm | 225mm | 1" | 5 p.s.i | 5.9kg |
| 450mm / 18" | 445mm-495mm | 225mm | 2" | 5 p.s.i | 8.75kg |
| 500mm / 20" | 495mm-550mm | 255mm | 2" | 5 p.s.i | 11.3kg |
| 525mm / 21" | 495mm-550mm | 255mm | 2" | 3 p.s.i | 11.3kg |
| 600mm / 24" | 595mm-650mm | 255mm | 2" | 3 p.s.i | 15.85kg |
Method of use
- Ensure the correct size of plug is selected to perfectly fit the internal diameter of the pipe.
- Thoroughly clean the installation point to remove any traces of grease or foreign material.
- Precisely insert the plug square to the pipe wall for a secure fit.
- Gradually tighten the peripheral nuts in a diametrically opposite order, ensuring equal tightness. Avoid over-tightening to prevent distortion of the clamp ring.
- Double-check the sealing cap to ensure a tight seal. If the plug has a second outlet, make sure it is also securely sealed.
- Remember, for your safety, always support these plugs with an engineered brace to withstand the calculated back pressure. Never use them without proper support.
Inquiry and more information
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