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RS (H) 4, 6, 8 Piston-Sensing Regulator

Brand: Swagelok Company

The RS series pressure-reducing regulators are suitable for most gases and liquids.

The RS series regulators feature various poppet designs, a choice of sensing types , and seat and seal materials to accommodate a variety of pressure, temperature, and flow conditions.

The RSH series regulators are a high-pressure version of the RS series regulators.
Features
  • Piston Sensing
  • Balanced poppet design
  • Threaded vent to monitor sensing seal integrity
  • Spring-loaded pressure control
  • Maximum Inlet Pressure:
    • RS: psig: 1,015 (bar: 70, kPa: 6,998)
    • RSH: psig: 5,800 (bar: 400, kPa: 39,990) 
  • Maximum Outlet Pressure:
    • RS: psig: 406 (bar: 28 bar, kPa: 2,799)
    • RSH: psig: 5,800 (bar: 400, kPa: 39,990) 
  • Temperature Range: -20 to 80°C (-4 to 176°F)
  • Flow Coefficient: 1.84 to 2.07 Cv
  • Connections:
    • Inlet/Outlet: 1/2" DN15, 3/4" DN20, 1" DN25, NPT, ISO/BSP parallel thread, ASME or EN flange
    • Gauge: 1/4" NPT
    • Vent: 1/8" ISO/BSP Parallel Thread 
  • Materials of Construction:
    • Body: 316L Stainless Steel
    • O-Ring: EPDM, FKM, Nitrile
    • Seal: Fluorocarbon FKM, Nitrile, EPDM, PCTFE, PEEK
    • Piston: 316L Stainless Steel
    • Poppet: 316L Stainless Steel, 431 Stainless Steel

Specifications

Actuator Type

  • Anti-Tamper Nut
  • Knob

Ambient Temperature Range

  • -20° to 80° C (-4° to 176° F)

BSP Connection

  • 1” BSPP Female (ISO)
  • 1/2” BSPP Female - ISO
  • 3/4” BSPP Female - ISO

Enclosure, Body Material

  • 316L Stainless Steel

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150#
  • 1” (DN 25) - 1500#
  • 1” (DN 25) - 2500#
  • 1” (DN 25) - 300#
  • 1” (DN 25) - 600#
  • 1” (DN 25) - PN 16
  • 1” (DN 25) - PN 40

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - 150#
  • 1/2” (DN 15) - 1500#
  • 1/2” (DN 15) - 2500#
  • 1/2” (DN 15) - 300#
  • 1/2” (DN 15) - 600#
  • 1/2” (DN 15) - PN 16
  • 1/2” (DN 15) - PN 40

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - 150#
  • 3/4” (DN 20) - 1500#
  • 3/4” (DN 20) - 2500#
  • 3/4” (DN 20) - 300#
  • 3/4” (DN 20) - 600#
  • 3/4” (DN 20) - PN 16
  • 3/4” (DN 20) - PN 40

Flow Rate

  • 1.84 Cv
  • 1.95 Cv
  • 2.07 Cv

Media

  • Gas
  • Liquids & Gases

Mounting

  • Panel Mount

NACE & NIST

  • NACE MR-0175, ISO 15156

NPT Connection

  • 1” NPT Female
  • 1/2” NPT Female
  • 3/4” NPT Female

O-Ring Material

  • Ethylene Propylene (EPR)
  • FKM
  • Nitrile

Piston Material

  • 316L Stainless Steel

Poppet Material

  • 316L Stainless Steel
  • 431 Stainless Steel

Pressure Range

  • bar: 0 to 400
  • kPa: 0 to 39,999
  • psi: 0 to 5,800

Seat / Seal Material

  • EPDM
  • Fluorocarbon (FKM)
  • Nitrile

Special Cleaning & Packaging

  • ASTM G93 Level C-Cleaned
  • Not Required

Supply Pressure - Maximum

  • bar: 70 to 400
  • kPa: 6,998 to 39,989
  • psig: 1,015 to 5,800

Vent

  • None
  • Self-Venting
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