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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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  1. Ralston QSCM Stainless Steel Pressure Calibration Manifold

    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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  2. NPAK-TRS0

    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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  3. Ralston QTHA-TVLS QTM x QTM In-Line Vent Valve

    Ralston QTHA-TVLS QTM x QTM In-Line Vent Valve

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

    $224.00 ex GST
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  4. Ralston QTHA-TVLS-HC QTM x QTF In-Line Vent Valve

    Ralston QTHA-TVLS-HC QTM x QTF In-Line Vent Valve

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

    $227.00 ex GST
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  5. Ralston QTHA-BLS0-HH Stainless Steel Block and Bleed Valve

    Ralston QTHA-BLS0-HH Stainless Steel Block and Bleed Valve

    • Quick-Test Male to Quick-Test Male Block and Bleed Valve
    • Rated to 345 Bar / 5000 PSI
    • Stainless Steel Construction

    $349.00 ex GST
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  6. Ralston QTHA-BLS0-HC Stainless Steel Block and Bleed Valve

    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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  7. Ralston QTHA-BLS0-2F-2F Stainless Steel Block & Bleed Valve

    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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  8. Ralston QTHA-TEVR-SS QTM x QTM In-Line Vernier

    Ralston QTHA-TEVR-SS QTM x QTM In-Line Vernier

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

    $334.00 ex GST
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  9. Ralston QTHA-TEVR-HC-SS QTM x QTF In-Line Vernier

    Ralston QTHA-TEVR-HC-SS QTM x QTF In-Line Vernier

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

    $328.00 ex GST
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  10. Ralston NPAK-TRS0-2MS0-2FSA Moisture & Fluid Trap with NPT fittings (210 Bar)

    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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10 Item(s)

per page

Set Descending Direction