Valves, Controllers & Manifolds
Our range of calibration valves, pressure controllers and manifolds are designed to make calibration of pressure instruments quick and easy. Soft seated valves allow dependable leak free control and precision machined parts provide smooth and precise pressure adjustment. You'll be amazed at the difference a proper vernier controller makes to the speed of your calibrations.
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Ralston QTHA-TVLB Quick-Test Male x Quick-Test Male In-Line Vent Valve (210 Bar, Brass)
• Ralston Quick-Test Male Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction$120.30 ex GSTSee More Information -
Ralston QTHA-BLB0-HH Quick-Test Male x Quick-Test Male Block & Bleed Valve (210 Bar, Brass)
• Ralston Quick-Test Male Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction$198.50 ex GSTSee More Information -
Ralston QTHA-TEVR Quick-Test Male x Quick-Test Male In-Line Vernier (345 Bar, Brass)
• Ralston Quick-Test Male Connections
• Rated to 345 Bar / 5000 PSI
• Brass Construction$183.40 ex GSTSee More Information -
Ralston QTCM Pressure Calibration Manifold (210 Bar, Brass)
• Ralston Quick-Test Male Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction
• Optional Complete Kit with Gauge Adapter, Hoses and Carry Bag$0.00 ex GSTSee More Information -
Ralston QSCM Pressure Calibration Manifold (345 Bar, Stainless Steel)
• Ralston Quick-Test Male Connections
• Rated to 345 Bar / 5000 PSI
• Stainless Steel Construction
• Optional Complete Kit with Gauge Adapter, Hoses and Carry Bag$0.00 ex GSTSee More Information -
Ralston QTHA-TVLB-HC Quick-Test Male x Quick-Test Female In-Line Vent Valve (210 Bar, Brass)
• Ralston Quick-Test Male x Quick-Test Female Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction$121.80 ex GSTSee More Information -
Ralston QTHA-TVLS Quick-Test Male x Quick-Test Male In-Line Vent Valve (345 Bar, Stainless Steel)
• Ralston Quick-Test Male Connections
• Rated to 345 Bar / 5000 PSI
• Stainless Steel Construction$201.50 ex GSTSee More Information -
Ralston QTHA-TVLS-HC Quick-Test Male x Quick-Test Female In-Line Vent Valve (345 Bar, Stainless Steel)
• Ralston Quick-Test Male x Quick-Test Female Connections
• Rated to 345 Bar / 5000 PSI
• Stainless Steel Construction$204.50 ex GSTSee More Information -
Ralston QTHA-BLB0-HC Quick-Test Male x Quick-Test Female Block & Bleed Valve (210 Bar, Brass)
• Ralston Quick-Test Male x Quick-Test Female Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction$204.50 ex GSTSee More Information -
Ralston QTHA-BLB0-1F-1F 1/8" NPT Female x 1/8" NPT Female Block & Bleed Valve (210 Bar, Brass)
• 1/8" NPT Female Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction$198.50 ex GSTSee More Information