To install in the Manhole Cover or on the top of the Tanker.The exit side is connected with the rubber hose to the vapor recovery pipework. When the tanker is loading or unloading to control the vapor comes in or out the tanker.This is a very important component for the vapor recovery system.
2. Benefit and Feature
* Hardening Treatment
The whole valve body is passed a special hardening process to improve its service life.
Sequence control to control the current valve open to series control the next valve open.
* High Quality
The stainless steel internal shaft parts ensures its corrosion resistance.
* Light Weight
The main body is made of aluminum alloy,it is more light and sturdy.
* Tight Sealing
Effectively guarantees the tanker do not overflow after rollover.