ONE BEATS
THE COMPETITION. THE OTHER HAS NONE.

Introducing the GSB line of master valves, both greater, stronger and better than the competition in every possible way. Higher operating pressures. Higher flowrates. Greater reliability.

For more information
Call 484-731-4010

Introducing the masters of master valves.

Greater. Stronger. Better.

The GSB Master Valve is the ONLY valve that received the approval for 6,000 PSIG operating pressure in oxygen service for commercial applications worldwide, making it the safest, most reliable and the highest-pressure valve in the industry.

Master Valve GSB-4

High Pressure Gas Shutoff & Control Valve

The new CPV High Pressure Master Valve is optimized for the critical requirements of gas cylinder fill plants, panels, tube trailers, and manifolds This oxygen-service brass valve design utilizes the same reliable sealing mechanism as CPV’s valves which have been used throughout the high pressure piping industry for more than 75 years!

With robust design & leak-free operation, you can count on CPV to provide the most dependable product in the industry! Our standard is the NEW STANDARD in the Master Valve Market!

Technical Data

  • Operating Pressure Range:
    6000 PSIG (414 BAR) Oxygen
    6000 PSIG (414 BAR) Inert
  • Operating Temperature:
    -70°F to 250°F | (-57°C to 121°C)
  • Flow Coefficient (CV):
    2.78
  • Production Testing: (100% Factory Tested)
    6000 PSIG Seat Test (414 BAR)
    9000 PSIG Shell Test (621 BAR)
  • Panel Mount:
    Standard
  • Full Vacuum:
    Standard
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OXYGEN SAFE

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PRESSURE & FLOW

  • Full Vacuum Standard
  • 6000 psig Oxygen Service
    • ASME Section VIII, ASME B31.3
  • Highest Flow Coefficient in the industry
  • Soft Seated sealing for bubble-tight,
    leak-free operation
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FEATURES & BENEFITS

  • Ergonomic handle designed for comfort & easy operation
  • Low torque, even at full pressure
  • Panel mount standard
  • Higher performance alternative to under-performing, lower quality & lower pressure rated valves

Materials of Construction

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Ordering Information

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Master Valve GSB-6

High Pressure Gas Shutoff & Control Valve

The new CPV High Pressure Master Valve is optimized for the critical requirements of gas cylinder fill plants, panels, tube trailers, and manifolds. This oxygen-service brass valve design utilizes the same reliable sealing mechanism as CPV’s valves which have been used throughout the high pressure piping industry for more than 75 years!

With robust design & leak-free operation, you can count on CPV to provide the most dependable product in the industry! Our standard is the NEW STANDARD in the Master Valve Market!

Technical Data

  • Operating Pressure Range:
    6000 PSIG (414 BAR) Oxygen
    6000 PSIG (414 BAR) Inert
  • Operating Temperature:
    -70°F to 250°F | (-57°C to 121°C)
  • Flow Coefficient (CV):
    2.78
  • Production Testing: (100% Factory Tested)
    6000 PSIG Seat Test (414 BAR)
    9000 PSIG Shell Test (621 BAR)
  • Panel Mount:
    Standard
  • Full Vacuum:
    Standard
image-description

OXYGEN SAFE

image-description

PRESSURE & FLOW

  • Full Vacuum Standard
  • 6000 psig Oxygen Service
    • ASME Section VIII, ASME B31.3
  • Highest Flow Coefficient in the industry
  • Soft Seated sealing for bubble-tight,
    leak-free operation
image-description

FEATURES & BENEFITS

  • Ergonomic handle designed for comfort & easy operation
  • Low torque, even at full pressure
  • Panel mount standard
  • Higher performance alternative to under-performing, lower quality & lower pressure rated valves

Materials of Construction

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Ordering Information

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Master Valve GSB-2

High Pressure Gas Shutoff & Control Valve

The new CPV High Pressure Master Valve is optimized for the critical requirements of gas cylinder fill plants, panels, tube trailers, and manifolds. This oxygen-service brass valve design utilizes the same reliable sealing mechanism as CPV’s valves which have been used throughout the high pressure piping industry for more than 75 years!

With robust design & leak-free operation, you can count on CPV to provide the most dependable product in the industry! Our standard is the NEW STANDARD in the Master Valve Market!

Technical Data

  • Operating Pressure Range:
    6000 PSIG (414 BAR) Oxygen
    7800 PSIG (538 BAR) Inert
  • Operating Temperature:
    -70°F to 250°F | (-57°C to 121°C)
  • Burst Pressure:
    38,925 PSIG (2684 BAR)
  • Flow Coefficient (CV):
    2.78
  • Production Testing: (100% Factory Tested)
    7800 PSIG Seat Test (538 BAR)
    9000 PSIG Shell Test (621 BAR)
  • Panel Mount:
    Standard
  • Full Vacuum:
    Standard
image-description

OXYGEN SAFE

image-description

PRESSURE & FLOW

  • Full Vacuum Standard
  • 6000 psig Oxygen Service
    • ASME Section VIII, ASME B31.3
  • Highest Flow Coefficient in the industry
  • Soft Seated sealing for bubble-tight,
    leak-free operation
image-description

FEATURES & BENEFITS

  • Ergonomic handle designed for comfort & easy operation
  • Low torque, even at full pressure
  • Panel mount standard
  • Higher performance alternative to under-performing, lower quality & lower pressure rated valves

Materials of Construction

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O-SEAL® TailPiece
Part Number:
  • GSB-48R-2-SS316L
    (316L Stainless Steel)
  • GSB-48R-2-M
    (Monel®)

O-SEAL® Union Nuts
Part Number:
  • GSB-50N-2-SS316
    (316 Stainless Steel)
  • GSB-50N-2-M
    (Monel®)

O-SEAL® tailpieces come standard with EPDM O-Ring (unless otherwise specified)

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Ordering Information

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