Mark 5108 Series
Piloted
In many liquid piping systems, it is vital that line pressure is maintained within relatively narrow limits. Installed in the main flow line, the standard Mark 5108-2 acts as a back pressure or pressure sustaining valve. In this configuration, the valve maintains a constant upstream pressure regardless of fluctuating downstream demand. When used in a bypass line, the same model will function as a relief valve.
Features & Benefits
- Relief: Maintains a constant inlet pressure by relieving excess high pressure
- Sustaining: Prevents pressure from dropping below a minimum
- Inlet pressure is accurate over a wide range of flow
- Inlet pressure is adjustable with a complete range of control springs
- Quick opening with controlled closing
Specifications
Sizes: 1-1/4″ – 24″
Body Materials: Ductile Iron, Cast Steel, Cast Bronze, Stainless Steel
End Connection: Flanged (#150, #300), Screwed, Grooved End
Diaphragm: Buna-N, Viton, EPDM
Max Inlet Pressure: 740 psi (51 bar)
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