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Product - Pressure Pipe Joints |
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uPVC BELL-MOUTH JOINT (BS4346) This joint complies with MS628 Part 2 (BS4346) and product range covers sizes from 80mm to 300mm. The principals of joint are use of rubber sealing ring for good sealing purpose, easy and quickly to install. Rubber ring joint in which an elastomeric sealing component is automatically compressed to form an effective seal when the spigot ends is insert into the socket. 
Insertion length (A) is defined as the distance between the sealing plane and the register in the root of socket. The minimum lengths shall be not less than the appropriate length as shown in table 6 or calculated by formulation as stated: 50 + 0.22D Where: D is the mean outside diameter. Rubber Sealing Ring Rubber sealing rings comply to BS 2494 or AS 1646 with dual hardness for one piece construction, good retained inside the bell, easy and safe installation procedure. The dimension of rubber scaling ring as state in table 7. Test requirement Routine test: • Short term hydrostatic pressure Type test: • Negative pressure test • Long term hydrostatic pressure •Forming quality |   |
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