8150 Series: Back Pressure or Pressure Reducing, High Pressure

Application

The 8150 Series maintains constant pressure upstream (back pressure) or downstream (pressure reducing) of the valve. The back pressure valve is used to keep a preset pressure on separators, vessels or any line where a constant pressure is critical. The pressure reducing valve limits the pressure downstream of the valve to protect equipment or instruments from higher pressure.

Specifications

Size:1″ Tee Body 2″ Tee Body
Working Pressure:6000 psig 3000 psig
Temperature:-20ºF to +180ºF standard; available to +240ºF
Topworks:Pressed steel with nylon reinforced nitrile diaphragm; 50 psig maximum supply pressure.
Effective Area:Choice of 45 sq. in. or 62 sq. in.
Cv Factor – Orifice: Angle Globe Angle Globe1/4″…………..2.3…………………….1.9…………………….2.0…………………….1.8
3/8″…………..4.6…………………….4.2…………………….4.2…………………….3.7
1/2″…………..8.3…………………….7.2…………………….7.4…………………….6.9
3/4″…………..15.0…………………..12.8…………………..16.3…………………..13.9
1″……………….21.0…………………..16.1…………………..22.8…………………..19.1
Trim:17-4 PH stainless steel or carbide
Material:
Body:
Stem:
Packing:

Cast Steel
Stainless steel
TFE

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