Shut Off Valve (SOV)

Shut Off Valve (SOV)
Shut Off Valve (SOV)
Shut Off Valve (SOV)
Shut Off Valve (SOV)
Shut Off Valve (SOV)
Shut Off Valve (SOV)
Shut Off Valve (SOV)

1/8” - 1/2" NPT
1/8” - 1/2" Dual Ferrule Tube
3,000 Psig (207 Bar)


Series SOV Shut Off Valves offers low torque, quarter turn, positive shut off of forward flow up to 3,000 Psig (207 Bar). These valves feature a one piece body construction with a machined metallic replaceable plug Stem. Sealing is accomplished with a standard elastomeric O-Ring seal. Larger size valves utilize Teflon Backup Rings to reduce operating torque and provide long service life. The Series SOV can be ordered Cleaned for Oxygen Service.


  • Straight-Through Flow Path
  • Large Orifices Provide Higher Flows
  • Handle Orientation Indicates Flow
  • Optional Downstream Vent
  • Unique Soft Open Plug Stem
  • NPT or Dual Ferrule Tube Connections
  • 100% Factory Tested for Leakage

Technical Data

  • Maximum Operating Pressure @ 100º F
    • Brass and Stainless: 3,000 Psig (207 Bar)
      Notes: 1-1/8″ (28.6 mm) Square Brass Body Valves downgraded to 2000 Psig (137 Bar) Max. If reverse flow occurs, differential pressure is limited to 150 Psid (10.3 Bar) Max. Attempting to meter flow in the reverse flow direction may damage O-Ring.
  • Leakage: Zero both Internal and External
    • 100% Factory tested for leakage at 150 Psig (10.3 Bar)
  • Downstream Vent Option – Downstream pressure is relieved to atmosphere when valve is in the closed position. Maximum operating pressure is downgraded to 150 Psig (10.3 Bar).
  • Downstream Vent Orifice:
    • 5/8″ (15.9 mm) and 3/4″ (19.1 mm) Square Body Valves: 0.04″ (1.0 mm)
    • 1-1/8″ (28.6 mm) Square Body Valves: 0.09″ (2.3 mm)
  • Temperature Rating: -65°F to 375°F (-54°C to 190°C)
    (based on seal selection)

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