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RD (H) 6, 8 Series Regulator
Brand: Swagelok CompanyThese 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 (piston in RD2 series), and a choice of seat and seal materials to accommodate a variety of pressure, temperature, and flow conditions.
Features- Balanced poppet design
- Diaphragm sensing
- 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: 39,989)
- Maximum Outlet Pressure:
- RD - psig: 1,015 (bar: 70, kPa: 6,998)
- RDH - psig: 5,800 (bar: 400, kPa: 39,989) - psig: 2,537 (bar: 175, kPa: 17,490) with pilot regulator
- Sensing Type: Diaphragm
- Temperature Range: -20 to 80°C (-4 to 176°F)
- Flow Coefficient: 1.95 - 2.07 Cv
- Connections:
- Inlet/Outlet: 3/4 - 1" NPT, ISO/BSP Parallel Thread, EN or ASME Flange
- Gauge: 1/4" NPT
- Dome: 1/4" ISO/BSP Parallel Thread
- Construction Material:
- Dome: 316L Stainless Steel
- Diaphragm: EPDM, FKM or Nitrile
- Poppet:
- RD: 316L Stainless Steel
- RDH: 431 Stainless Steel
- Body Material: 316L Stainless Steel
- Seal Materials: Fluorocarbon FKM, Nitrile, EPDM, PCTFE, PEEK
- Seat: 316L Stainless Steel
Specifications
Brand
Ambient Temperature Range
- -20° to 80° C (-4° to 176° F)
Anti-Tamper
- Anti-tamper
BSP Connection
- 1” BSPP Female (ISO)
- 3/4” BSPP Female - ISO
Diaphragm Material
- EPDM
- FKM
- Nitrile
Dome
- 316L Stainless Steel
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 - 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
- 2.07 Cv
Gauge Connection
- GN2
- GN4
- GN5
- Standard
Media
- Gas
- Liquids & Gases
NACE & NIST
- NACE MR-0175, ISO 15156
NPT Connection
- 1” NPT Female
- 3/4” NPT Female
O-Ring Material
- Ethylene Propylene (EPR)
- FKM
- Nitrile
Poppet Material
- 316L Stainless Steel
- 413 Stainless Steel
Pressure Range
- bar: 0 to 175
- kPa: 0 to 17,491
- psig: 0 to 2,537
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