China 3 4 breather valve Manufacturers Factory Suppliers

P/V vent is installed on the top of manhole to adjust the pressure between inner and outer of the tank, which can be set different opening pressure according to different usage, to avoid leakage and

Dip hole is a special accessory used to measure the oil level in the tank and to take oil samples. One is set on the top of each oil tank, most of which are located near the tank ladder platform. The

Oil-water Separator is installed on the control pipeline to extract the air source from air cylinder. When the pressure air gets into the oil-water separator, it will vapor the lubricate the air to

Pneumatic Interlock Valve is installed on the vapor recovery valve or API adaptor to do pneumatic interlock. As an emergency vent valve with reset function, when you press it down and loose it, it

Press button is installed on the end of fuel truck and far away from unloading position. As a emergency control switch for pneumatic system, press button is connected to emergency vent of pneumatic

Manual bracket is used for manual type control system. The handle quantity can be customized according to clients’ requirement. One handle can control one manual valve. . When the handle is opening

Dust cap is used to keep vapor recovery system or connecting terminal clean, prevent the connecting port from broken, dust and water etc.

Vapor recovery valve is installed on the manhole to make sure no leakage when the tank rolling down. The outlet terminal is connected with vapor recovery pipe line by flexible pipe. when the tank is

Dust cap is used for protecting the API adaptor valve from dust, water and others and protecting the surface from broken. Dust gap is built in a gasket to protect the inside fuel flow out when the

API adaptor is installed on one side of the bottom of the tank, used for petrol, Gasoline,diesel and kerosene and such light fuel. With quick coupling connection structure, as an important parts for

Bottom valve, also called emergency shut-off valve, is installed on the bottom of tank, built in shut-off groove. His body will disconnect along the groove to realize the disconnection of the bottom

Manhole cover is installed on the top of the tank to prevent the fuel leakage when tank is over rolled,built in P/V vent to adjust the pressure. If there is pressure difference between inside and