Features & Benefits

  • Maintains accurate differential pressure when incorporated into a double seal system
  • SJS Regulator tracks upsets in system pressure and decreases downtime by increasing seal life
  • N.A.C.E. compatible version available: Modification number -01
  • Available with optional Welded Diaphragm Instrument Isolator


Pressure Rating

Maximum Inlet Pressure:

500 PSIG [35 bar]
Maximum Rated Reference: 400 PSIG [28 bar]
Maximum Outlet Pressure – Bias & Ref.: 500 PSIG [35 bar]
Bias Pressure Range: 0-100 PSIG [0-7 bar]



Body: 316 Stainless Steel
Pressure Reducing: Teflon®
Back Pressure: Vespel®
Friction Sleeve (Inner): Teflon®
Friction Sleeve (Outer): 316 Stainless Steel
Diaphragms: Elgiloy®
Remaining Parts: 316 Stainless Steel


Operating Temperature

-40°F to +165°F [-40°C to +75°C]


Port Size & Type

1/4″ NPT


Flow Capacity

Cv = .12


Load Type

Dome with Spring Bias (Tracking)



2 lbs [.9 kg]