Material & construction
Conventional direct-operated diaphragm/spring regulator; steel or stainless body options by catalogue.
WOG-501 / Back-pressure regulation
Spring-loaded Back Pressure Regulator
Maintain upstream pressure on a defined production gas or liquid service, such as separator outlet or compatible liquid control lines.
| Nominal sizes | 1/2 / 3/4 / 1 / 2 in (DN 15 / 20 / 25 / 50) |
|---|---|
| Connection selection | NPT; catalogue flanged options |
| Control function | Maintains upstream pressure |
| Range selection | Select exact spring and body rating |
Industry reference selections; ordered specification requires supplier confirmation.
View catalogue page 38 ↗Options & acceptance
Select spring range, port size, diaphragm and seat for the pressure drop and fluid.
Application & RFQ details
RFQ: upstream setpoint/range, inlet and outlet pressures, required flow, gas/liquid composition, temperature, trim and end connections. A regulator is not a safety relief valve.
Standards & documents
Require regulator flow curves and pressure-temperature limits. A control regulator is not a substitute for a required certified safety valve.
Packing
Individual protective packs on pallets; quote packed size and gross weight. Consolidate identical catalogue sizes.