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.

Ralston NPAK-TRS0 Moisture & Fluid Trap with QT fittings (210 Bar)

• Ralston Quick-Test Male x Quick-Test Female Connections
• Optional 1/4" NPT Male & 1/4" NPT Female Adapters
• Rated to 210 Bar / 3000 PSI
• Stainless Steel Construction

$510.00 ex GST
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Ralston NPAK-TRS0-2MS0-2FSA Moisture & Fluid Trap with NPT fittings (210 Bar)

• Ralston Quick-Test Male x Quick-Test Female Connections
• 1/4 NPT Male & 1/4 NPT Female Adapters
• Rated to 210 Bar / 3000 PSI
• Stainless Steel Construction

$525.00 ex GST
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Ralston QSCM Stainless Steel Pressure Calibration Manifold

• Ralston Quick-Test Male Connections
• Rated to 345 Bar / 5000 PSI
• Stainless Steel Construction
• Optional Complete Kit with Gauge Adapter, Hoses and Carry Bag

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Ralston QTCM Brass Pressure Calibration Manifold

• Ralston Quick-Test Male Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction
• Optional Complete Kit with Gauge Adapter, Hoses and Carry Bag

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Ralston QTHA-BLB0-1F-1F Brass Block & Bleed Valve

• 1/8in Female NPT to 1/8in Female NPT Block & Bleed Valve
• Rated to 210 Bar / 3000 PSI
• Brass Construction

$220.00 ex GST
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Ralston QTHA-BLB0-2F-2F Brass Block and Bleed Valve Fitting

• 1/4in Female NPT to 1/4in Female NPT Block and Bleed Valve
• Rated to 210 Bar / 3000 PSI
• Brass Construction

$220.00 ex GST
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Ralston QTHA-BLB0-HC Brass Block & Bleed Valve

• Ralston Quick-Test Male to Quick-Test Female Connections
• Rated to 210 Bar / 3000 PSI
• Brass Construction

$226.00 ex GST
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Ralston QTHA-BLB0-HH Brass Block and Bleed Valve

• Quick-Test Male to Quick-Test Male Block and Bleed Valve
• Rated to 210 Bar / 3000 PSI
• Brass Construction

$220.00 ex GST
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Ralston QTHA-BLS0-2F-2F Stainless Steel Block & Bleed Valve

• 1/4in Female NPT to 1/4in Female NPT Block and Bleed Valve
• Rated to 145 Bar / 5000 PSI
• Stainless Steel Construction

$363.00 ex GST
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Ralston QTHA-BLS0-HC Stainless Steel Block and Bleed Valve

• Ralston Quick-Test Male x Quick-Test Female Connections
• Rated to 345 Bar / 5000 PSI
• Stainless Steel Construction

$347.00 ex GST
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