APPLICATIONS AND USES
SR4 High Pressure Regulator.

• High pressure.
• Ideally suited for pressure vessel testing.
• Dead end testing.
• Delivery pressure up to 4500 PSIG on some models.
• May be panel mounted.
• Single stage design.

OTHER DATA

• All SR 4 series regulators have 1/4" swaged lock type stainless steel outlet fittings.

Panel Mounting Details

• All SR 4 series regulator models may be panel mounted. ( 1-3/4" hole required in panel for mounting ) For a flush panel mount installation order one ( 1 ) panel mount nut 1409-0093. For an adjustable panel mount installation order two ( 2 ) panel mount nuts 1409-0093.

DESIGN AND CONSTRUCTION.

• Piston type actuation.
• Machined body and cap.
• 2-1/2" brass gauges.
• Cartridge type seat assembly with PCTFE seat.
• Delrin cap bushing for smooth adjustment.
• External adjustable relief valves on F and G range models.
• Hydrogen models have vented relief valves.
• Sintered inlet filter.

SPECIFICATIONS PERFORMANCE
MAXIMUM INLET

• 7500............................PSIG with CGA 677.
• 6000............................PSIG without Inlet Fitting.
• 5500............................PSIG with CGA 701, 680, 347.
• 4000............................PSIG with CGA 577.
• 3000............................PSIG with CGA 540, 580, 346, 350

SPECIFICATIONS MATERIAL

• Body............................Machined Brass
• Piston...........................Brass
• Housing Cap................Machined Brass
• Inlet Filter.....................Bronze