Purpose:

The valve is installed on the oil-gas recovery pipeline on the top of tank body of tank car, and its outlet is at 45 degrees angle to the horizontal direction, and is in a normal open state. The switch is controlled by pneumatic interlock valve on the ventilating reducer union. When loading and unloading oil, the valve closes and the resulting oil and gas is recovered to the tank by the oil and gas recovery joint.

Material: aluminum alloy, stainless steel

Structural characteristics:

The valve body is formed by one-time high pressure die casting, with high hardness, high strength, moderate spring hardness and high sensitivity.