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 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 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 QTVC Pressure Volume Controller (210 Bar)

• Ralston Quick-Test Male Outlet & Fill Port Connections
• Choice of NPT or BSPP Gauge Adapters & Process Connections
• 1m & 2m Low Volume Quick-Test Hoses
• Rated to 210 Bar / 3000 PSI

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Ralston QTVC-EN Pressure Volume Controller (210 Bar)

• Ralston Quick-Test Male Outlet & Fill Port Connections
• Choice of NPT or BSPP Gauge Adapters & Process Connections
•1m & 2m Low Volume Quick-Test Hoses
• Rated to 210 Bar / 3000 PSI

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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

$525.00 ex GST
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Ralston QTHA-TVLB QTM x QTM In-Line Vent Valve

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

$138.00 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

$226.00 ex GST
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Ralston QTHA-TEVR QTM x QTM In-Line Vernier

• Ralston Quick-Test Male Connections
• Rated to 345 Bar / 5000 PSI
• Brass Construction

$212.00 ex GST
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Ralston QTHA-TVLB-HC QTM x QTF In-Line Vent Valve

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

$141.00 ex GST
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Ralston QTHA-TVLS QTM x QTM In-Line Vent Valve

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

$231.00 ex GST
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