Ralston Fittings and Adapters

Ralston Fittings and Adapters
Ralston Instruments Fittings and AdaptersRalston Instruments Fittings and Adapters

Precision Fittings and Adapters for Reliable Pressure Testing and Calibration

Ralston Instruments Fittings and Adapters, available through Transcat, offer industry-leading precision and durability for professionals working with pressure systems. Designed to ensure leak-free connections in even the most demanding applications, these fittings and adapters are essential tools for technicians performing pressure calibration, testing, and fluid transfer. With a wide range of configurations and materials, Ralston’s fittings and adapters provide seamless compatibility with gas, hydraulic, and pneumatic systems across various industries.

Leak-Free Performance

Ralston’s fittings and adapters are engineered for tight, secure, and reliable connections, eliminating the risk of leaks that can compromise accuracy during pressure testing or calibration. Each component undergoes rigorous testing to ensure consistent performance in critical applications.

Durable, Corrosion-Resistant Materials

Constructed from high-grade stainless steel, brass, and other corrosion-resistant materials, Ralston fittings and adapters are built for longevity, even in harsh environments. These materials ensure resistance to wear, corrosion, and impact, extending the life of your equipment.

High-Pressure Tolerance

Ralston fittings and adapters are designed to handle both low-pressure and high-pressure environments, making them suitable for everything from routine calibration to high-stakes testing in gas and fluid systems. They are built to withstand pressure levels up to 5000 PSI and beyond, ensuring they meet the toughest requirements.

Wide Range of Configurations

Available in a broad spectrum of sizes, thread types, and connection styles—including NPT, BSPP, and Quick-Test™—Ralston fittings and adapters are compatible with virtually any system. This versatility makes them ideal for a variety of industries, including energy, aerospace, and industrial manufacturing.

 

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  • Ralston Instruments QTFT-4MB1 1/2" male NPT x male Quick-test with check-valve Adapter
    Ralston Instruments QTFT-4MB1 1/2" male NPT x male Quick-test with check-valve Adapter
    Order # QTFT-4MB1 Mfg # QTFT-4MB1
    $45.40
  • Ralston Instruments QTHA-MTB0-10MM
    Ralston Instruments QTHA-MTB0-10MM 10mm Tube Fitting x Male Quick- Test, no Check Valve, Brass
    Order # QTHA-MTB0-10MM Mfg # QTHA-MTB0-10MM
    $56.47
  • Ralston Instruments XTHA-2MSA-MP Medium Pressure x Female Quick- test XT Adapter, Stainless Steel Adapter
    Ralston Instruments XTHA-2MSA-MP Medium Pressure x Female Quick- test XT Adapter, Stainless Steel Adapter
    Order # XTHA-2MSA-MP Mfg # XTHA-2MSA-MP
    $85.16
  • Ralston Instruments QTHA-BLS0-HH Block & bleed valve, male QT inlet x male QT outlet, Stainless Steel Adapter
    Ralston Instruments QTHA-BLS0-HH Block & bleed valve, male QT inlet x male QT outlet, Stainless Steel Adapter
    Order # QTHA-BLS0-HH Mfg # QTHA-BLS0-HH
    $313.08
  • Rent from the Test and Measurement Equipment Experts

    • check Dedicated rental experts are ready to help you find the right piece of equipment and determine the best course for rental
    • check Transcat provides consultative services on equipment selection, given your existing systems and operations
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  • Ralston Instruments QTHA-3FS0-RG-QD 3/8" female BSPP quick-disconnet x male quick-test, Stainless Steel Adapter
    Ralston Instruments QTHA-3FS0-RG-QD 3/8" female BSPP quick-disconnet x male quick-test, Stainless Steel Adapter
    Order # QTHA-3FS0-RG-QD Mfg # QTHA-3FS0-RG-QD
    $134.18
  • Ralston Instruments QTFT-1MB0 1/8" Male NPT x Male Quick-test valve, cap/chain, Brass Adapter
    Ralston Instruments QTFT-1MB0 1/8" Male NPT x Male Quick-test valve, cap/chain, Brass Adapter
    Order # QTFT-1MB0 Mfg # QTFT-1MB0
    $26.45
  • New
    Ralston Instruments QTHA-MTB0-12MM 12mm Tube Fitting x Male Quick- Test,No Check-Valve,Brass
    Ralston Instruments QTHA-MTB0-12MM 12mm Tube Fitting x Male Quick- Test, No Check-Valve, Brass adapter
    Order # QTHA-MTB0-12MM Mfg # QTHA-MTB0-12MM
    $77.67
  • Ralston Instruments QTHA-HCHS
    Ralston Instruments QTHA-HCHS Tee - male QT run x female QT run x male QT branch tee, Stainless Steel
    Order # QTHA-HCHS Mfg # QTHA-HCHS
    $154.16
  • Ralston Instruments QTHA-BLS0-2F-2F Block & Bleed Valve-1/4" NPTF Inlet x 1/4" NPTF Outlet, Stainless Steel
    Ralston Instruments QTHA-BLS0-2F-2F Block & Bleed Valve-1/4" NPTF Inlet x 1/4" NPTF Outlet, Stainless Steel
    Order # QTHA-BLS0-2F-2F Mfg # QTHA-BLS0-2F-2F
    $318.38
  • Ralston QTHA-2FSF-QD 1/4" female 37 degree flare x male Quick-test
    Ralston Instruments QTHA-2FSF-QD 1/4" Female 37 Degree Flare x Male QT, No Check Valve, Stainless Steel Adapter
    Order # QTHA-2FSF-QD Mfg # QTHA-2FSF-QD
    $98.99
  • Ralston Instruments QTHA-RGS0
    Ralston Instruments QTHA-RGS0 Adapter M8 x 1.0 Gauge Valve Bleed Port x Male Quick-test, Stainless Steel
    Order # QTHA-RGS0 Mfg # QTHA-RGS0
    $104.97
  • Ralston Instruments QTHA-1MBA
    Ralston Instruments QTHA-1MBA 1/8" Male NPT x Female Quick-test, no Check-valve, Brass Adapter
    Order # QTHA-1MBA Mfg # QTHA-1MBA
    $19.99
  • Ralston Instruments XTFT-2MS0 1/4" MNPT x male Quick-test XT
    Ralston Instruments XTFT-2MS0 1/4" MNPT x male Quick-test XT
    Order # XTFT-2MS0 Mfg # XTFT-2MS0
    $96.12
  • Ralston Instruments QTHA-4TS0 1/2" Tube Fitting x Male QT, no Check-valve, Stainless Steel Adapter
    Ralston Instruments QTHA-4TS0 1/2" Tube Fitting x Male QT, no Check-valve, Stainless Steel Adapter
    Order # QTHA-4TS0 Mfg # QTHA-4TS0
    $89.82
  • Ralston Instruments QTHA-4TB0 1/2" Tube Fitting x Male Quick Test, No Check Valve Adapter
    Ralston Instruments QTHA-4TB0 1/2" Tube Fitting x Male Quick Test, No Check Valve Adapter
    Order # QTHA-4TB0 Mfg # QTHA-4TB0
    $32.17
  • Ralston Instruments QTHA-3TS0 3/8" Tube fitting x male QT, no check-valve, Stainless Steel
    Ralston Instruments QTHA-3TS0 3/8" Tube fitting x male QT, no check-valve, Stainless Steel
    Order # QTHA-3TS0 Mfg # QTHA-3TS0
    $77.91
  • Ralston Instruments QTHA-2FBA 1/4" NPTF x Female Quick-Test No Check-valve, Brass Adapter
    Ralston Instruments QTHA-2FBA 1/4" NPTF x Female Quick-Test No Check-valve, Brass Adapter
    Order # QTHA-2FBA Mfg # QTHA-2FBA
    $22.31
  • Ralston Instruments QTHA-2TS0 1/4" Tube Fitting x Male Quick- test, no Check-valve, Stainless Steel
    Ralston Instruments QTHA-2TS0 1/4" Tube Fitting x Male Quick- test, no Check-valve, Stainless Steel
    Order # QTHA-2TS0 Mfg # QTHA-2TS0
    $54.61
  • Ralston Instruments QTFT-3MS1
    Ralston Instruments QTFT-3MS1 3/8" male NPTxmale quick-test, with check valve, cap and chain, Stainless Steel Adapter
    Order # QTFT-3MS1 Mfg # QTFT-3MS1
    $79.86
  • Ralston Instruments QTFT-4MS1 1/2" male NPT x male Quick-test with check-valve Adapter
    Ralston Instruments QTFT-4MS1 1/2" male NPT x male Quick-test with check-valve Adapter
    Order # QTFT-4MS1 Mfg # QTFT-4MS1
    $84.10
  • Ralston Instruments QTFT-2MB0
    Ralston Instruments QTFT-2MB0 1/4" Male NPT x Male Quick-test, no Check-valve with Cap & Chain, Brass Adapter
    Order # QTFT-2MB0 Mfg # QTFT-2MB0
    $25.96
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