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  • NPT Male Quick-Test Adapters

    Connects Female NPT to Quick-Test hoses with brass or stainless steel hose ends.

    • Ideal for connecting to pressure transmitters or other devices under test using thread sealant
    • Quickly connect and disconnect
    • Quick-test hoses for testing, calibrating and sampling
    • Made in USA

  • NPT Male Quick-Connect Adapters

    Make a bubble-tight seal on any Female NPT pressure device without using thread sealant or a wrench

    • A unique design allows connection standard female NPT ports using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA

  • NPT Male Quick-Test XT Adapters

    Connects Female NPT to Quick-Test XT 10,000 psi hoses

    • Ideal for connecting to pressure transmitters or other devices under test using thread sealant
    • Quickly connect and disconnect Quick-test hoses for testing, calibrating and sampling
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses
    • Made in USA

  • NPT Male Quick-Test Fittings

    A removable cap provides easy access to connect a Quick-test hose to the process for calibration purposes and is easily sealed bubble-tight again when calibration is complete

    • Connect to pressure transmitters, EFMs, Flow Computers and other NPT devices under test using thread sealant for a permanent connection
    • A cap and chain makes calibration easy and quick by connecting and disconnecting a hose without a wrench or thread sealant
    • Made in USA

  • NPT Male Quick-Connect Fittings

    Make calibrating pressure transmitters a snap by eliminating the need for thread sealant or wrenches when connecting to any female NPT connection

    • A unique design allows connection to standard female NPT ports using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • A cap and chain makes calibration easy and quick by connecting and disconnecting a hose without a wrench or thread sealant
    • Stainless steel construction
    • Made in USA

  • NPT Male Quick-Test XT Fittings

    Connects Female NPT to Quick-test XT 10,000 psi hoses for permanent installation

    • Connect to pressure transmitters, EFMs, Flow Computers and other NPT devices under test using thread sealant for a permanent connection
    • Cap and chains make calibration easy and quick by connecting and disconnecting without a wrench or thread sealant
    • Note that these are not compatible with QT or QS hoses. Please us Quick-test XT hoses.
    • Made in USA

  • NPT Male Quick-Test Pressure Calibrator Adapters

    Quickly connect a pressure calibrator or other pressure device with Female NPT connections to Ralston hand pumps or nitrogen calibration equipment

    • Connect to any pressure calibrator or pressure module with Female NPT connections
    • Allows the calibrator and pressure source to be easily disconnected and stored separately
    • Made in USA

  • NPT Male Quick-Test XT Pressure Calibrator Adapters

    Quickly connect a pressure calibrator or other pressure device with Female NPT connections to a Ralston hand pump or nitrogen calibration equipment to 10.000 psi

    • Connect to any pressure calibrator or pressure module with Female NPT connections
    • Allows the calibrator and pressure source to be easily disconnected and stored separately
    • Note that these are not compatible with QT or QS hoses. Please use Quick-Test XT hoses.
    • Made in USA

  • NPT Female Quick-Test Adapters

    Connect a Quick-test hose to a pressure gauge or any device with a male NPT connection using thread sealant and a wrench

    • Connect to pressure gauges with NPT connections
    • Adapt to a wide range of Male NPT process connections
    • Made in USA

  • NPT Female Quick-Test XT Adapters

    Connect a Quick-test XT hose to an NPT pressure gauge or any Male NPT device using thread sealant and a wrench

    • Connect to pressure gauges with NPT connections
    • Adapt to a wide range of Male NPT process connections to 10,000 psi
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses.
    • Made in USA

  • NPT Female Quick-Test Gauge Adapters

    Connect to a pressure gauge or other device with Male NPT connections to a Ralston hand pump or nitrogen calibration device

    • Install with thread tape once onto any male NPT pressure gauge then use the Quick-test connection to quickly connect or disconnect from any Ralston hand pump, nitrogen calibration device or other Quick-test adapter
    • Saves the threads on a pressure gauge by not needing to make and remake the connection with thread sealant
    • Made in USA

  • NPT Female Quick-Test XT Gauge Adapters

    Connect Male NPT pressure gauge or other Male NPT device to a Ralston hand pump or nitrogen calibration device to create one side of a quick-disconnect to 10,000 psi

    • Install with thread tape once onto any male NPT pressure gauge then use the Quick-test connection to quickly connect or disconnect from any Ralston hand pump, nitrogen calibration device or other Quick-test adapter
    • Saves the threads on a pressure gauge by not needing to make and remake the connection with thread sealant
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses
    • Made in USA

  • NPT Female Quick-Connect Adapters

    Connect Quick-test hoses to a male NPT pressure gauge. It allows one to connect a hose to a pressure gauge, calibrate it and remove it without a wrench or thread sealant.

    • A unique design allows connection to any male NPT pressure gauge connection using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA

  • NPT Female Quick-Connect x Quick-Test XT Adapters

    Connect Quick-test XT hoses to a male NPT pressure gauge. It allows one to connect a hose to a pressure gauge, calibrate it and remove it without a wrench or thread sealant.

    • A unique design allows connection to any male NPT pressure gauge connection using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA

  • NPT Female Quick-Test Bulkhead Unions

    Connect a hose on one side of a panel, wall or enclosure with female NPT on the other side

    • Bulkhead seals so no liquid or moisture can get into a control panel or enclosure
    • Use to connect fittings on the inside of an enclosure to a Quick-test hose on the outside of the enclosure
    • Will connect through a wall that is up to 0.5 in (1.3 cm) thick
    • Made in USA

  • Tube Fitting Quick-Test Adapters

    Make a bubble-tight connection to any Swagelok, Parker, Hoke, SSP, Tylok or equivalent tube fitting without a wrench

    • An excellent solution for connecting to tube fittings for pressure calibration, gas sampling, pressure reading and testing
    • A unique design that seals on an o-ring to prevent damage to a tube fitting
    • Make and remake hundreds of times without over-tightening a tube fitting
    • Made in USA

  • Tube Fitting Quick-Test XT Adapters

    Make a bubble-tight connection to any Swagelok, Parker, Hoke, SSP, Tylok or equivalent tube fitting without a wrench to 15,000 psi

    • An excellent solution for connecting to tube fittings for pressure calibration, gas sampling, pressure reading and testing
    • A unique design that seals on an o-ring to prevent damage to a tube fitting
    • Make and remake hundreds of times without over-tightening a tube fitting
    • Made in USA

  • Tube Fitting Quick-Test Bulkhead Unions

    Connect a Quick-test hose on one side of a panel, wall or enclosure and a tube fitting on the other

    • Bulkhead seals so no liquid or moisture can get into a control panel or enclosure
    • Use to connect tube fittings on the inside of an enclosure to a Quick-test hose on the outside of the enclosure
    • Will connect through a wall that is up to 0.5 in (1.3 cm) thick
    • Made in USA

  • 37 Degree Flare -AN-JIC- Male Quick-Connect Adapters

    Connect to any male 37 degree flare adapter or tube

    • Connect to male AN flare connections without a wrench
    • Excellent for use in Aerospace and marine use
    • Made in USA

  • 37 Degree Flare (AN/JIC) Male Quick-Connect Fittings

    Connect to any male 37 degree flare adapter or tube

    • Connect to male AN flare connections without a wrench
    • Excellent for use in Aerospace and marine use
    • Cap adapters off when not in use
    • Made in USA

  • 37 Degree Flare -AN-JIC- Quick-Connect Adapters

    Connect a male 37° flare AN/JIC fitting to a Quick-test hose without a wrench.

    • A unique design allows connection to standard male 37° flare fitting using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA

  • 37 Degree Flare -AN-JIC- Quick-Connect Quick-Test XT Adapters

    Connect a male 37° flare AN/JIC fitting to a Quick-test hose without a wrench

    • A unique design allows connection to standard male 37° flare fitting using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA

  • DP Transmitter and Gauge Valve Quick-Test Adapters

    Connect a Quick-test hose directly to a DP transmitter or gauge valve using the bleeder port when the transmitter is not mounted on a 3 valve manifold or gauge valve or when the manifold is not easily accessible

    • This unique fitting makes a metal to metal seat on the transmitter or gauge valve and a Quick-test hose can be attached on the other side
    • Connects through the bleeder screw port on a DP transmitter
    • Made in USA

  • DP Transmitter Quick-Test XT Adapters

    Connect a Quick-test hose directly to a DP transmitter using the bleeder port when the transmitter is not mounted on a 3 or 5 valve manifold or when the manifold is not easily accessible

    • This unique fitting makes a metal to metal seat on the transmitter and a Quick-test hose can be attached on the other side
    • Connects through the bleeder screw port on a DP transmitter
    • Made in USA

  • DP Transmitter and Gauge Valve Quick-Test Fittings

    Ideal for situations where frequent calibration of a DP transmitter using the bleeder port is required

    • This unique fitting makes a metal to metal seat on the transmitter and a Quick-test hose can be attached on the other side
    • Connects through the bleeder screw port on a DP transmitter
    • Made in USA

  • DP Transmitter Quick-Test XT Fittings

    Connect a Quick-Test hose directly to a DP transmitter using the bleeder port when the transmitter is not mounted on a 3 or 5 valve manifold or when the manifold is not easily accessible

    • This unique fitting makes a metal to metal seat on the transmitter and a Quick-test XT hose can be attached on the other side
    • Connects through the bleeder screw port on a DP transmitter
    • Pressurize to 10,000 psi (700 bar)
    • Made in USA

  • Ralston Pete's Plug

    Connect to any Size Petes Plug for testing, sampling or reading a pressure

    • Connect from any Pete’s Plug directly to a Ralston Quick-test hose, gauge or FieldLab for quick pressure testing
    • “Pete’s Plug” is a registered Trademark of Peterson Industries
    • Made in USA

  • BSPP Male (RS) Quick-Test Adapters

    Connect Female BSPP (ISO 228/1) parallel thread to Quick-test hose for temporary installation

    • Connect Quick-test hoses to any Female BSPP device such as Druck, SI, Fluke or other hand pumps or pressure calibrators
    • Pressure tight seal is made on a bonded seal ring
    • Made in USA

  • BSPP Male (RS) Quick-Test XT Adapters

    Connect Female BSPP (ISO 228/1) parallel thread to Quick-test XT 10,000 psi hose for temporary installation

    • Connect Quick-test hoses to any Female BSPP device such as Druck, Si, Fluke or other hand pumps or pressure calibrators
    • Pressure tight seal is made on a bonded seal ring
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses.
    • Made in USA

  • BSPP Male (RS) Quick-Test Fittings

    Connect Female BSPP (ISO 228/1) parallel thread to Quick-test hose for permanent installation where frequent calibrations are performed

    • Connect Quick-test hoses to any Female BSPP device such as Druck, SI, Fluke or other hand pumps or pressure calibrators
    • Pressure tight seal is made on a bonded seal ring
    • A cap and chain make permanent installation possible on any process with Female BSPP connections
    • Made in USA

  • BSPP Male (RS) Quick-Test XT Fittings

    Connect Female BSPP (ISO 228/1) parallel thread to Quick-test XT 10,000 psi hose for permanent installation where frequent calibrations are performed.

    • Connect Quick-test hoses to any Female BSPP device such as Druck, SI, Fluke or other hand pumps or pressure calibrators
    • Pressure tight seal is made on a bonded seal ring
    • A cap and chain make permanent installation possible on any process with Female BSPP
    • Connections
    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses.
    • Made in USA

  • BSPP Female (RG) Quick-Test Adapters

    Connect Male BSPP (ISO 228/1) parallel thread to Quick-test hose for temporary installation.

    • Quick-test connection makes connecting to any Female BSPP connection
    • A seal is made using a bonded seal ring or copper crush washer for pressure gauges with male BSPP connections
    • Made in USA

  • BSPP Female (RG) Quick-Test Gauge Adapters

    Connect Male BSPP (ISO 228/1) parallel thread pressure gauge or other Male BSPP device to a Ralston hand pump or nitrogen calibration equipment.

    • Connect pressure gauges with Male BSPP connection to Ralston hand pumps, nitrogen calibration devices or any male Quick-test adapter
    • A seal is made using a bonded seal ring or copper crush washer for pressure gauges with male BSPP connections
    • Made in USA

  • BSPP Female (RG) Quick-Connect Adapters

    Connect directly to the bottom of BSPP pressure gauges without a bonded seal or crush washer.

    • A unique design allows connection to any male BSPP connections using a pressure-assisted o-ring seal
    • Pressure helps to seal the fitting better
    • Stainless steel construction
    • Made in USA

  • BSPT Male (RT) Quick-Test Adapters

    Connects Female BSPT (ISO 7/1) taper pipe thread to Quick-test hose using thread sealant and a wrench.

    • Ideal for connecting to female BSPT connections
    • Note that this is NOT an NPT adapter and is not compatible with NPT connections
    • Made in USA

  • BSPT Male (RT) Quick-Test Fittings

    Connects Female BSPT (ISO 7/1) taper pipe thread to Quick-test hose using thread sealant and a wrench.

    • Ideal for connecting to female BSPT connections
    • Note that this is NOT and NPT adapter and is not compatible with NPT connections
    • A removable cap provides easy access, connects a Quick-test hose to the process for calibration purposes and is easily sealed bubble-tight again when calibration is complete.

  • BSPT Female (RT) Quick-Test Adapters

    Connect to any Male BSPT (ISO 7/1) taper thread connection using thread sealant and a wrench.

    • Ideal for connecting to male BSPT connections
    • Note that this is NOT an NPT adapter and is not compatible with NPT connections
    • Made in USA

  • Medium Pressure Quick-Test Adapters

    Connect to any Medium Pressure connection.

    • Ideal for connecting to Autoclave Engineers, Butech, HIP or Parker Medium Pressure connections
    • Connect to Crystal Engineering pressure gauges or pressure calibrators with Female CPF pressure connections
    • Made in USA

  • Female Medium Pressure Quick-Test Adapters

    Connect to hoses, comparators and pressure references with Male Medium Pressure adapters.

    • Connect to Crystal Engineering CPF hoses and GaugeCal XP Comparators
    • Connect to Medium pressure connections

  • Medium Pressure Quick-Test XT Adapters

    Connect to any medium pressure connection.

    • Ideal for connecting to Autoclave Engineers, Butech, HIP or Parker Medium Pressure connections

    • Connect to Crystal Engineering pressure gauges or pressure calibrators with Female CPF pressure connections

    • Note that these are not compatible with QT or QS hoses.  Please use Quick-test XT hoses.

    • Made in USA

  • High Pressure Quick-Test Adapters

    Connect a Female High Pressure 60 degree coned and threaded pressure fitting to a Quick-test hose.

    • Excellent for connecting to Autoclave Engineers, Butech, HIP (High Pressure Equipment), Parker or equivalent High Pressure coned and threaded connections, valves, tees and unions

    • Metal to metal seal provides leak-free service

    • Made in USA

  • High Pressure Quick-Test XT Adapters

    Connect a Female 60 degree coned and threaded pressure fitting to a Quick-test XT 10,000 psi hose.

    • Excellent for connecting to Autoclave Engineers, Butech, HIP (High Pressure Equipment), Parker or equivalent High Pressure coned and threaded connections, valves, tees and unions

    • Metal to metal seal for 10,000 psi service

    • Note that these are not compatible with QT or QS hoses.  Please use Quick-test XT hoses.

    • Made in USA

  • Quick-Test CGA 580 Cylinder Valve Adapters

    Connect to any CGA 580 cylinder valve without a wrench or thread sealant.

    • Use in the field when connecting a pressure regulator to a nitrogen cylinder

    • Use when filling multiple gas bottles

    • Made in USA

  • Minimess Quick-Test Adapters

    Connect a Ralston Quick-test hose to a 1620 connection.

    • Adapt any Hydrotechnik Minimess or equivalent 16 x 2.0 connection to a Ralston Quick-test adapter

    • Made in USA

  • SAE-MS Male Quick-Test Adapters

    Connect to SAE/MS ports on pressure calibrators, pipelines and other processes.

    • Connect using an o-ring seal avoids issues with vibration, heating and cooling

    • Excellent for aerospace and automotive connections with female SAE/MS ports

    • Made in USA

  • Quick-Test Unions

    Connect two Quick-test hoses or two Quick-test adapters together, depending on the union.

    • Quick-test connection makes connecting two hoses together quick and easy

    • Made in USA

  • Quick-Test XT Unions

    Connect 2 Quick-test XT 10,000 psi hoses together quickly and easily.

    • Quick-test XT connection makes connecting two high pressure hoses together quick and easy

    • Note that these are not compatible with QT or QS hoses. Please use Quick-test XT hoses.

    • Made in USA

  • Quick-Test Bulkhead Connections

    Excellent for safely connecting two Quick-test hoses through an enclosure, truck, or panel wall.

    • Bulkhead seals so no liquid or moisture can get into a control panel or enclosure

    • Use to connect a Quick-test hose on the inside of an enclosure to a Quick-test hose on the outside of the enclosure

    • Will connect through a wall that is up to 0.5 in (1.3 cm) thick

    • Made in USA

  • Quick-Test XT Bulkhead Connections

    Excellent for safely connecting two Quick-test XT 10,000 psi hoses through an enclosure, truck, or panel wall.

    • Bulkhead seals so no liquid or moisture can get into a control panel or enclosure

    • Use to connect a Quick-test XT hose on the inside of an enclosure to a Quick-test XT hose on the outside of the enclosure

    • Will connect through a wall that is up to 0.5 in (1.3 cm)

    • Note that these are not compatible with QT or QS hoses.  Please use Quick-test XT hoses.

    • Made in USA

  • Quick-Test 90 Degree Elbows

    Connect a hose to an adapter that is in a hard to reach place.

    • Ideal for accessing pressure transmitter ports and other equipment that is hard to reach

    • Position pressure gauges for easy reading

    • Durable forged construction

    • Made in USA



  • Quick-Test 45 Degree Elbows

    Connect to pressure gauges, pressure calibrators and adapters easily and quickly.

    • Position a pressure gauge for easy reading

    • Connect a Quick-test hose to an adapter in hard to reach places

    • Durable forged construction

    • Made in USA

  • Quick-Test Tees

    Connect three hoses or a combination of 3 hoses, adapters and hand pumps or manifolds.

    • Durable forged construction

    • Tee has full flow through each of the ports

    • Made in USA

  • Quick-Test XT Tees

    Connect 3 Quick-test XT 10,000 psi hoses together without a wrench or thread sealant.

    • Durable forged construction

    • Full flow through all ports

    • Note that these are not compatible with QT or QS hoses.  Please use Quick-test XT hoses.

    • Made in USA

  • Quick-Test Cap and Chains

    Cap and chain for any male Quick-test adapter with a cap and chain.

    • Seals any male Quick-Test adapter to 5000 psi (345 bar)

    • Install on any Quick-test adapter for permanent installation in the field

    • Made in USA

  • Quick-Test Plugs

    Plug a hose to prevent fluid from leaking out.

    • Pressure-tight with just your fingers
    • Made in USA

  • Quick-Test XT Cap and Chains

    Turn any Quick-test XT adapter into a permanent installation with the addition of a cap and chain.

    • Seals any male Quick-Test XT adapter
    • Install on any Quick-test XT adapter for permanent installation in the field
    • Note that these are not compatible with QT or QS hoses. Please use only on Quick-Test XT adapters
    • Made in USA

  • Quick-Test XT Hose Plugs

    Plug the end of a Quick-test XT hose to prevent fluid leakage.

    • Cap a Female Quick-test XT adapter or hose with a pressure-tight cap to prevent leakage and hold 10,000 psi of pressure
    • Made in USA

  • Replacement Gauge Swivels

    Use to mount gauges on Ralston Instruments model APGV, HPGV, XHGV hand pumps.

    • Swivels allow the user to easily switch gauges on a single hand pump
    • Made in USA

  • In-Line Filters

    Filter out particulate from the process to keep your hose and calibrator.

  • FieldLab Process Connections

    Process Connections for FieldLabs

  • QTHA-3SB0