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Designed for low and high pressures up to 4000 psig inlet, the PR-59 Series pressure reducing regulator controls high flow with its Cv flow coefficient of 1.2. Though normally supplied without self-relieving capability, this feature can be added as an option.

While primarily designed for use with gas streams, the PR-59 can be used with virtually any liquid systems that are compatible with the seals. A large size piston sensor gives good sensitivity of control even at low outlet pressures and the Kel-F® valve seat assembly gives normal bubbletight shutoff.
Unit of Measure

Specifications

Brands

 N/A GO Regulator, Inc.

Body Material

 N/A 316L Stainless Steel

Port Configuration

 N/A I - See Diagram for Port Configuration

Process Port Types

 N/A 1/2 in. Female National Pipe Tapered (FNPT)

Gauge Port Types

 N/A 1/4 in. Female National Pipe Tapered (FNPT) Gauge Ports

Surface Finish of Diaphragm Cavity

 N/A < 25 Ra

Seat Material

 N/A Polychlorotrifluoroethylene (PCTFE) (Formerly Kel-F® 81)

Flow Coefficient (Cv)

 N/A 1.2

Outlet Range

 N/A 0 to 2000 psig

Piston Type

 N/A Non-Self-Relieving

Piston Material

 N/A Stainless Steel

Cap Assembly

 N/A Standard, Stainless Steel

Operating Temperature

 N/A -40 to +175 ºF-40 to +80 ºC

Weight

 N/A 4.6 lb2.1 kg

Features and Specifications

Features and Specifications

 N/A
  • 316L stainless steel, Brass and MONEL® body construction
  • Inlet pressure capability up to 4000 psig
  • Outlet control ranges from 250 psig up to 4000 psig
  • Optional self-relieving feature
  • Inlet and outlet ports of 1/2" or 3/4" FNPT with 1/4" FNPT gauge ports optional
  • 1/2" FNPT standard
  • Balanced poppet valve design for constant pressure control
  • Fluorocarbon (FKM) seals (other elastomers optional)
  • Polychlorotrifluoroethylene (PCTFE) seat

Note

Note

 N/A Contact the factory for any additional requirements.

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