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    Close-up image of a duplex pressure gauge with a black aluminium case and two pointers on a white dial face, designed for dual pressure readings in industrial applications.

    Pressure Gauge

    Duplex Pressure Gauges
    Dual Readouts in One Compact Instrument

    Floyd Duplex Pressure Gauges are engineered for precise dual pressure monitoring in a single rugged instrument. Designed with two independent Bourdon tube systems and dual pointers, they provide clear, simultaneous readings—ideal for compact industrial panels, filtration systems, and rail applications.

    Key Features:

    • Dual Bourdon Tubes: Independently measures two pressure sources in one gauge
    • Mounting Options: Available in surface mount, flush mount, or direct mount styles
    • Dial Sizes: 100 mm or 125 mm, with single, dual, or custom scale configurations
    • Robust Construction: IP54-rated brass or aluminium case for mechanical strength and ingress protection
    • Connections: Brass male BSP – ¼″ or ⅜″
    • Accuracy: ±1.0% of full-scale deflection
    • Pressure Ranges: 0–500 kPa to 4,000 kPa

    Note: Not suitable for corrosive or aggressive media due to brass/bronze wetted components.

    Common Applications:

    • Filter inlet and outlet pressure comparison
    • Brake line monitoring in rail transport systems
    • Space-constrained industrial control panels

    Need Customisation?

    Request a quote below for custom scale configurations, dial branding, or panel mounting assistance.

    For the fastest quote turnaround
    Please use the quote form below rather than emailing general enquiries where possible. The form collects the key details needed to quote your gauge correctly and helps reduce follow-up questions.
    Explore gauge types

    Common Pressure Gauge Types & Applications

    Browse common pressure gauge styles, specialised instruments and gauge protection accessories used across industrial, process, HVAC and custom applications.

    Industrial & General Purpose Gauges

    General purpose pressure gauge General Purpose Pressure Gauges Reliable pressure measurement for industrial, HVAC and general process applications. Heavy duty pressure gauge Heavy Duty Pressure Gauges Stainless steel gauges for harsher environments, vibration and demanding industrial use. Industrial pressure gauges Industrial Pressure Gauges Durable gauges for plant equipment, pumps, compressors and OEM applications. Sub-sea pressure gauge Sub-Sea Pressure Gauges Specialised pressure gauges for marine, offshore and hyperbaric environments.

    Low Pressure Gauges

    Low pressure gauge Low Pressure Gauges Capsule gauges for sensitive air, gas, HVAC and low pressure applications. Schaffer diaphragm pressure gauge Schaffer Diaphragm Gauges Low pressure and slurry media gauges for tank contents, sludge and viscous fluids.

    Specialised, Process & Custom Gauges

    Custom pressure and temperature gauges Custom Gauges & Repairs Custom builds, obsolete replacements, repairs, restorations and special dial work. Safety pattern pressure gauge Safety Pattern Pressure Gauges Operator-protection gauges for high-pressure gas and hazardous applications. Sanitary pressure gauge Sanitary Pressure Gauges Hygienic gauges for food, beverage, dairy, pharmaceutical and CIP/SIP systems.

    Differential & Duplex Pressure Gauges

    Differential pressure gauge Differential Pressure Gauges Monitor pressure drop across filters, pumps, heat exchangers and airflow systems. Duplex pressure gauge Duplex Pressure Gauges Dual pressure readings in one compact gauge for filters, panels and rail systems.

    Refrigeration Pressure Gauges

    Refrigeration pressure gauge Refrigeration Gauges Dual pressure and temperature scale gauges for refrigeration and HVAC systems.

    Digital Gauges & Accessories

    nVision reference recorder nVision Reference Recorder High-accuracy pressure and temperature calibration with recording capability. SIKA digital pressure gauge SIKA Digital Pressure Gauges Digital reference gauges for pressure measurement, testing and calibration work. Diaphragm seals for pressure gauges Diaphragm Seals Protect gauges from corrosive, viscous, abrasive or crystallising media. Snubber pulsation dampener Snubbers & Pulsation Dampeners Help reduce pressure spikes, pulsation and pointer movement in suitable systems. Pressure gauge syphon Pressure Gauge Syphons Protect gauges in steam and high-temperature pressure measurement applications.
    Not sure which gauge you need?
    Request pressure gauge selection assistance
    If you are unsure whether this is the correct gauge, tell us about your application, pressure range, media or existing gauge and our team can help recommend a suitable solution.
    ADVANCED THERMAL SUPPLIES PTY LTD
    📍 30 Pope St, Beverley SA 5009
    📞 08 8244 4411
    ✉️ info@advancedthermalsupplies.com.au
    🕒 Monday – Friday: 8:30 AM – 5:00 PM
    Note: We occasionally close at 4:00 PM on Thursdays.
    Please call ahead if you're visiting late in the day.
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