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Instantly add the HFS4B Compact High-Flow Gas Regulator and 50,000+ more product series to your store or catalog  
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Swagelok Inline Point-of-Use High-Flow Gas Regulator, HFS4B

HFS4B Compact High-Flow Gas Regulator

Brand: Swagelok Company
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Swagelok® HF series gas pressure regulators use a gas actuated pressure-sensing assembly to precisely control outlet pressure. 
 
A slight decrease or increase in the outlet pressure causes the pressure-sensing assembly to expand or contract, respectively. The expansion or contraction of the pressure-sensing assembly moves the poppet to provide precise pressure control.
Features
  • Compact, high-flow design
    • Less than half the size of conventional diaphragm pressure regulators
    • Flows up to 300 std L/min
  • Innovative gas-actuated pressure-sensing assembly
    • Low supply-pressure effect ensures precise pressure control
    • Low droop eliminates the need for adjustment in many systems
    • Outlet tolerates maximum rated inlet pressure without damage
  • Self-centering poppet
    • Minimizes outlet pressure creep
  • Tamper-free design
    • Reduces potential of improper adjustment
    • Simplifies installation
  • High-purity design
    • Tied poppet for clean operation and positive shutoff
    • All-welded design—no seals to atmosphere
    • 5 μin. Ra electropolished finish
    • 316L VIM-VAR stainless steel body
  • Choice of end connection/mounting styles
  • Model: Preset Inline Point-of-Use
  • End Connections
    • 1/4" high-flow VCR gland
    • 1/4" and 3/8" tube butt weld
  • Preset Outlet Pressure
    • psig: 10 to 50
    • bar: 0.68 to 3.4
    • kPa: 68.9 to 344.7
  • Supply Pressure Maximum
    • psig: 3,000
    • bar: 206
    • kPa: 20,680
  • Testing: Inboard helium leak tested to a rate of 1 X 10-9 std cm3/s
  • Process
    • Swagelok Ultrahigh-Purity Process Specification (SC-01)
    • Electropolished, Ra 5µin. (0.13 µm average)
  • Materials of Construction
    • Body: 316L Stainless Steel Vim Var
    • Diaphragm: Alloy 625
    • Stem: 316L Stainless Steel
    • Poppet: PCTFE or Polyimide

1 - 12 of 24 Part Numbers
SS-HFS4B-BW4-P10
SS-HFS4B-BW4-P10
  • Poppet Material - PCTFE
  • End Connection - 1/4" Tube Butt Weld
  • Output Pressure - psig: 10 (bar: 0.68, kPa: 68.95)
SS-HFS4B-BW4-P20
SS-HFS4B-BW4-P20
  • Poppet Material - PCTFE
  • End Connection - 1/4" Tube Butt Weld
  • Output Pressure - psig: 20 (bar: 1.3, kPa: 137.9)
SS-HFS4B-BW4-P30
SS-HFS4B-BW4-P30
  • Poppet Material - PCTFE
  • End Connection - 1/4" Tube Butt Weld
  • Output Pressure - psig: 30 (bar: 2.0, kPa: 206.8)
SS-HFS4B-BW4-P50
SS-HFS4B-BW4-P50
  • Poppet Material - PCTFE
  • End Connection - 1/4" Tube Butt Weld
  • Output Pressure - psig: 50 (bar: 3.4, kPa: 344.7)
SS-HFS4B-BW6-P10
SS-HFS4B-BW6-P10
  • Poppet Material - PCTFE
  • End Connection - 3/8" Tube Butt Weld
  • Output Pressure - psig: 10 (bar: 0.68, kPa: 68.95)
SS-HFS4B-BW6-P20
SS-HFS4B-BW6-P20
  • Poppet Material - PCTFE
  • End Connection - 3/8" Tube Butt Weld
  • Output Pressure - psig: 20 (bar: 1.3, kPa: 137.9)
SS-HFS4B-BW6-P30
SS-HFS4B-BW6-P30
  • Poppet Material - PCTFE
  • End Connection - 3/8" Tube Butt Weld
  • Output Pressure - psig: 30 (bar: 2.0, kPa: 206.8)
SS-HFS4B-BW6-P50
SS-HFS4B-BW6-P50
  • Poppet Material - PCTFE
  • End Connection - 3/8" Tube Butt Weld
  • Output Pressure - psig: 50 (bar: 3.4, kPa: 344.7)
SS-HFS4B-HVCR4-P10
SS-HFS4B-HVCR4-P10
  • Poppet Material - PCTFE
  • End Connection - 1/4" High-Flow VCR Gland
  • Output Pressure - psig: 10 (bar: 0.68, kPa: 68.95)
SS-HFS4B-HVCR4-P20
SS-HFS4B-HVCR4-P20
  • Poppet Material - PCTFE
  • End Connection - 1/4" High-Flow VCR Gland
  • Output Pressure - psig: 20 (bar: 1.3, kPa: 137.9)
SS-HFS4B-HVCR4-P30
SS-HFS4B-HVCR4-P30
  • Poppet Material - PCTFE
  • End Connection - 1/4" High-Flow VCR Gland
  • Output Pressure - psig: 30 (bar: 2.0, kPa: 206.8)
SS-HFS4B-HVCR4-P50
SS-HFS4B-HVCR4-P50
  • Poppet Material - PCTFE
  • End Connection - 1/4" High-Flow VCR Gland
  • Output Pressure - psig: 50 (bar: 3.4, kPa: 344.7)
1 - 12 of 24 Part Numbers

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Specifications

Brand

Bake-Out Temperature

  • 150° C (302° F)

Diaphragm Material

  • Alloy 625 or Inconel

Enclosure, Body Material

  • 316L Stainless Steel

Flow Capacity

  • 300 L/minute

Flow Rate

  • 0.20 Cv

Media

  • Gas

Operating Temperature

  • -23° to 65° C (-10° to 150° F)

Orifice Size

  • 0.12” (3 mm)

Output Pressure

  • bar: 0.68 to 3.4
  • kPa: 68.95 to 344.7
  • psig: 10 to 50

Poppet Material

  • PCTFE
  • Polyimide

Pressure Range

  • bar: 0.35 to 10.3
  • kPa: 34.5 to 1,034
  • psig: 5 to 150

Relief

  • High Flow

Special Cleaning & Packaging

  • Ultra-High-purity Cleaning with a Continuously Monitored, Deionized Water, Ultrasonic Cleaning System.

Stem Material

  • 316L Stainless Steel

Supply Pressure - Maximum

  • bar: 206
  • kPa: 20,680
  • psig: 3,000

Supply Pressure Effect

  • 0.9%

Tube Connection

  • 1/4” Tube

VCR / VCO Connection

  • 1/4” VCR

Documentation

Data Sheets

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