8140VACUUM RELIEF VALVE

The Finekay Model 8140 Vacuum Relief Valve is used when vacuumrelief is the only requirement. Intake relief necessary underworking conditions is achieved by a spring or weightloaded pallet. This feature of the Model 8140 reduces thepossibility of tank damage. The Model 8140 helps to provideincreased fire protection and safety.

Structure Features

1.Sizes 2" through 12";

2.Available in aluminum, carbon steel,stainless steel and othermaterials;

3.Modular construction;

4.FEP diaphragms can effectively prevent seat and pallet fromsticking, select the seal structure according to the operationconditions;

5.The flanges of inlet and outlet are ANSI B16.5 150Lb RF.(Itcan be required by user).

6. attains full stable lift at only 10% overpressure