B type gooseneck type air pipe head, according to the form of links can be subdivided into:
GB1858-80 gooseneck gooseneck ventilation / air pipe head cap - threaded connection
CB/T3594-94 gooseneck gooseneck ventilation / air pipe head cap - flange connection
Specific which link form, according to customer demand.
B, BS type air cap / gooseneck gooseneck type air pipe head technical agreement:
The gooseneck type air pipe head before they leave the factory should be for floating ball and the valve seat sealing test, the test pressure is 3 meters high water column, test, floating ball should be to any different direction and the valve seat contact, in the test lasted for 5 min after, allowing a small column of water leakage
B, BS type air cap / gooseneck gooseneck type air pipe head is usually marked as:
The nominal diameter of 50mm GB2501, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Air pipe head CB/T3594-94 BS50HT ballast tank cap CB/T3594-94 BS50HT
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 tank 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
Air pipe head CB/T3594-94 BS80HT ballast tank cap CB/T3594-94 BS80HT
The nominal diameter of 100mm GB2501, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Air pipe head CB/T3594-94 BS100HT ballast tank cap CB/T3594-94 BS100HT
The nominal diameter of 150mm GB2501, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Air pipe head CB/T3594-94 BS150HT ballast tank cap CB/T3594-94 BS150HT
The nominal diameter of 200mm GB2501, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Air pipe head CB/T3594-94 BS200HT ballast tank cap CB/T3594-94 BS200HT
The nominal diameter of 250mm GB2501, according to the size and flange sealing surface of the cast iron gooseneck type air pipe head
Air pipe head CB/T3594-94 BS250HT ballast tank cap CB/T3594-94 BS250HT
B, BS type air cap / gooseneck gooseneck type air pipe head main parts material:
Our production of ballast tank air pipe head / ballast tank cap main model:
Under the condition that the air cap and the air pipe head are not completely damaged, we can change according to the appropriate conditions:
Ballast tank air cap - buoy ballast tank air cap float - ballast tank air cap float
