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

Rotary oil display is widely used on multiple tank truck. It can show any oil product by turning the yellow turner. The material is enhanced plastic with feature of cold resistance and heat

The hander valve is a two-channel three-vent structure for inner and outer exhausting.It is connected with all ports according to demanding. When pulling or pushing the handle, it will open or close

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 coupler is Installed on the tank near close to discharge position, with quick coupling connection structure, as a necessary parts in the tank for controlling vapor in and out to

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

The gravity coupling is used far quickly discharge.We offer different size, the oblique angle design, more suitable for gravity discharging. make flow more faster, and effectively protect the 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