China 1 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

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

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

Anti-Overflow probe rod is used for oil tank. When there is down-unloading, it can monitor the inner state of the tank, working with the platform control system to make sure the safety and

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

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