Gooseneck gooseneck breathable air pipe head - cap - cast iron flanged gooseneck air cap
Usually marked as:
The nominal diameter of 50mm GB569, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Gooseneck type air pipe head, cast iron flanged gooseneck air cap BS65HT CB/T3594-94
The nominal diameter of 65mm GB569, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Gooseneck type air pipe head BS65HT CB/T3594-94 ballast gooseneck air cap BS65HT CB/T3594-94
The nominal diameter of 80mm GB2501, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Gooseneck type air pipe head, cast iron flanged gooseneck air cap BS65HT CB/T3594-94
The nominal diameter of 150mm GB2501, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Gooseneck type air pipe head BS150HT CB/T3594-94 gooseneck air cap BS150HT CB/T3594-94
The nominal diameter of 250mm GB2501, according to the size and flange sealing surface of the ball type air pipe head iron gooseneck
Marine air pipe head BS150QT CB/T3594-94 gooseneck gooseneck air cap BS150QT CB/T3594-94
Marine B, BS type air cap / gooseneck gooseneck type air pipe head technical agreement:
The gooseneck type air pipe head before the test should be sealed floating ball and valve seat, the pressure is 3 meters high water column, test, floating ball should be different in any direction and the valve seat contact, in the test after 5min, allowing a small leakage of water
