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RD (H) 6DP Series Regulator

Brand: Swagelok Company
These pressure-reducing, dome-loaded and air-loaded regulators are suitable for most gases and liquids, including acids and oils.

These regulators feature various poppet designs, a pressure-sensing diaphragm, and a choice of seat and seal materials to accommodate a variety of pressure, temperature, and flow conditions.
Features
  • Balanced poppet design
  • Diaphragm sensing
  • Adjustable bias
  • Dome-to-outlet pressure ratio approximately 1:1
  • Maximum Inlet Pressure:
    • RD - psig: 1,015 (bar: 70, kPa: 6,998)
    • RDH - psig: 5,800 (bar: 400, kPa: 39,990)
  • Maximum Outlet Pressure:
    • RD - psig: 1,015 (bar: 70, kPa: 6,998)
    • RDH - psig: 3,335 (bar: 230, kPa: 22,990)
  • Sensing Type: Diaphragm
  • Bias Range: psig: 14.5 to 145 (bar: 1.0 to 10.0, kPa: 99.9 to 999.7)
  • Temperature Range: -20 to 80° C (-4 to 176° F)
  • Flow Coefficient: 1.95 Cv
  • Connections:
    • Inlet/Outlet: 3/4" NPT, ISO/BSP Parallel Thread, EN or ASME Flange
    • Gauge: 1/4" Female NPT
    • Dome: 1/4" Female NPT
  • Materials of Construction:
    • Body: 316L Stainless Steel
    • Diaphragm: EPDM, FKM, Nitrile
    • Dome: 316L Stainless Steel
    • Seat: 316L Stainless Steel
    • Poppet:
      • RD: 316L Stainless Steel
      • RDH: 431 Stainless Steel
    • Seat Seal:
      • RD: Fluorocarbon FKM, Nitrile, EPDM
      • RDH: PCTFE, PEEK
These pressure-reducing, dome-loaded and air-loaded regulators are suitable for most gases and liquids, including acids and oils.

These regulators feature various poppet designs, a pressure-sensing diaphragm, and a choice of seat and seal materials to accommodate a variety of pressure, temperature, and flow conditions.
Features
  • Balanced poppet design
  • Diaphragm sensing
  • Adjustable bias
  • Dome-to-outlet pressure ratio approximately 1:1
  • Maximum Inlet Pressure:
    • RD - psig: 1,015 (bar: 70, kPa: 6,998)
    • RDH - psig: 5,800 (bar: 400, kPa: 39,990)
  • Maximum Outlet Pressure:
    • RD - psig: 1,015 (bar: 70, kPa: 6,998)
    • RDH - psig: 3,335 (bar: 230, kPa: 22,990)
  • Sensing Type: Diaphragm
  • Bias Range: psig: 14.5 to 145 (bar: 1.0 to 10.0, kPa: 99.9 to 999.7)
  • Temperature Range: -20 to 80° C (-4 to 176° F)
  • Flow Coefficient: 1.95 Cv
  • Connections:
    • Inlet/Outlet: 3/4" NPT, ISO/BSP Parallel Thread, EN or ASME Flange
    • Gauge: 1/4" Female NPT
    • Dome: 1/4" Female NPT
  • Materials of Construction:
    • Body: 316L Stainless Steel
    • Diaphragm: EPDM, FKM, Nitrile
    • Dome: 316L Stainless Steel
    • Seat: 316L Stainless Steel
    • Poppet:
      • RD: 316L Stainless Steel
      • RDH: 431 Stainless Steel
    • Seat Seal:
      • RD: Fluorocarbon FKM, Nitrile, EPDM
      • RDH: PCTFE, PEEK

Specifications

Actuator Type

  • Anti-Tamper Cover
  • Screw

Ambient Temperature Range

  • -20° to 80° C (-4° to 176° F)

BSP Connection

  • 3/4” BSPP Female - ISO

Diaphragm Material

  • EPDM
  • FKM
  • Nitrile

Differential Pressure

  • bar: 0 to 10
  • kPa: 0 to 999
  • psig: 0 to 145

Dome

  • 316L Stainless Steel

Enclosure, Body Material

  • 316L Stainless Steel

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

Flange Type

  • Raised Face Smooth
  • RTJ - Ring Typical Joint

Flow Rate

  • 1.95 Cv

Gauge Connection

  • GN2
  • GN4
  • GN5
  • Standard

Media

  • Gas
  • Liquids & Gases

NACE & NIST

  • NACE MR-0175, ISO 15156

NPT Connection

  • 3/4” NPT Female

O-Ring Material

  • Ethylene Propylene (EPR)
  • Fluorocarbon (FKM)
  • Nitrile

Poppet Material

  • 316L Stainless Steel
  • 431 Stainless Steel

Pressure Range

  • bar: 70 to 230
  • kPa: 6,998 to 22,990
  • psig: 1,015 to 3,335

Seat / Seal Material

  • 316L Stainless Steel
  • EPDM
  • Fluorocarbon (FKM)
  • Nitrile
  • PCTFE
  • PEEK

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