Peter Skop Industries

Compressed Gas Division

Brass or Stainless Steel (Non-ASME) for Gas & Cryogenic Systems

 

These relief valves are specifically designed for thermal safety relief applications and cryogenic liquid containers.

Features

· All valves are cleaned and packaged for oxygen service per CGA G-4.1.

· Bubble tight at 95% of set pressure.

· Easy to read color coded psig / bar labels.

· Unique tamper resistant adjusting screw.

· Adapters provide standard pipe thread connections for venting gas to the outdoors.

· Repeatable performance.

· 100% factory tested.

· Temperatures Range -320° to +165° F.

Ordering Information

RegO_®  9400 Series Relief Valve

Flow Performance

PRV and SS style flow at 0.783 SCFM Air/PSIA at 110% of set pressure.

B-9425N has a flow of 6.7 SCFM Air/PSIA at 120% of set pressure.

B-9426N has a flow of 11.0 SCFM Air/PSIA at 120% of set pressure.

 

Seat Material Option

F for Fluorosilicone for PRV and SS styles for 15-139psi.

T for PTFE for PRV and SS styles for 140-600psi

N for B-9425 and B-9426, Fluorosilicone seat, all set pressures.

 

 

 

Materials

                              SS Style                 PRV/B-Style

Body……..………….SS/Steel ……..................Brass

Spring.......................SS/Steel.....................SS/Steel

Seat Retainer ………SS/Steel.........................Brass

Adjusting Screw .......SS/Steel.........................Brass

Pipe-Away Adapter ...S/Steel...........................Brass

Drain Hole Option

Relief valves without pipe-away typically provided with drain holes, leave blank. P - for relief valves without drain hole, for example PRV9432TP35

Set Pressure

Specify set pressure within range specified for style and size.   The B-9426N is available in select settings only. Special order.

 

Pipe Away Option

P- Pipe-away included and attached, No drain hole in relief valve. For example PRV9432TP350P Leave blank for relief valve without pipe-away attached.

For example PRV9432T 350.

Ordering Information

Fill in the blanks with options below.

This example part number indicates a 1/4” PRV style brass relief valve with PTFE seat, set at 350 PSIG and no pipe away adaptor.