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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  • Special Price $141.55 Save 1 % Regular Price $141.56
  • Ralston Instruments QTFT-FRS0 5/16" -24 UNF x Male QT Adapter
    Ralston Instruments QTFT-FRS0 5/16" -24 UNF x Male QT Adapter
    Order # QTFT-FRS0 Mfg # QTFT-FRS0
    $103.43
  • Ralston Instruments QTHA-2MS0-QD 1/4" Male NPT QD (Quick-connect) Adapter, Stainless Steel
    Ralston Instruments QTHA-2MS0-QD 1/4" Male NPT QD (Quick-connect) Adapter, Stainless Steel
    Order # QTHA-2MS0-QD Mfg # QTHA-2MS0-QD
    Special Price $119.44 Save 1 % Regular Price $119.45
  • Ralston Instruments QTHA-2MB1 1/4" male NPT x male QT, with check-valve, Brass Adapter
    Ralston Instruments QTHA-2MB1 1/4" male NPT x male QT, with check-valve, Brass Adapter
    Order # QTHA-2MB1 Mfg # QTHA-2MB1
    $28.41
  • 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
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  • $112.48
  • Special Price $37.10 Save 1 % Regular Price $37.11
  • Special Price $66.10 Save 1 % Regular Price $66.11
  • Ralston Instruments QTHA-2TB0 1/4" Tube Adapter for Quick-Test Hose, Brass
    Ralston Instruments QTHA-2TB0 1/4" Tube Adapter for Quick-Test Hose, Brass
    Order # QTHA-2TB0 Mfg # QTHA-2TB0
    $27.08
  • $111.41
  • $46.00
  • Ralston Instruments QTHA-3TB0 3/8" Tube Fitting, x Male Quick
    Ralston Instruments QTHA-3TB0 3/8" Tube Fitting, x Male Quick
    Order # QTHA-3TB0 Mfg # QTHA-3TB0
    Special Price $30.35 Save 1 % Regular Price $30.36
  • $31.90
  • $57.27
  • $78.09
  • Special Price $74.44 Save 1 % Regular Price $74.45
  • Ralston Instruments QTHA-FLTS-HC-40
    Ralston Instruments QTHA-FLTS-HC-40 In-line Filter, 0-5000PSI
    Order # QTHA-FLTS-HC-40 Mfg # QTHA-FLTS-HC-40
    Special Price $371.15 Save 1 % Regular Price $371.16
  • Ralston Instruments QTHA-2MB0 1/4" Male NPT x Quick-test no Check-valve, Brass Adapter
    Ralston Instruments QTHA-2MB0 1/4" Male NPT x Quick-test no Check-valve, Brass Adapter
    Order # QTHA-2MB0 Mfg # QTHA-2MB0
    $18.80
  • $37.12
  • Special Price $100.52 Save 1 % Regular Price $100.53
  • Ralston Instruments QTFT-2MB1 NPT Male 1/4'' Adapter
    Ralston Instruments QTFT-2MB1 NPT Male 1/4'' Adapter
    Order # QTFT-2MB1 Mfg # QTFT-2MB1
    Special Price $47.51 Save 1 % Regular Price $47.52
  • Ralston Instruments QT 1/4" Male NPT x male QT, with check-valve Adapter
    Ralston Instruments QT 1/4" Male NPT x male QT, with check-valve Adapter
    Order # QTFT-2MS1 Mfg # QTFT-2MS1
    $86.31
  • Ralston QTFT-RGS0 Bleeder Screw Adapter M8 x 1 gauge valve bleed port
    Ralston Instruments QTFT Bleeder Screw Adapter M8 x 1 gauge valve bleed port
    Order # QTFT-RGS0 Mfg # QTFT-RGS0
    Special Price $184.36 Save 1 % Regular Price $184.37
  • Ralston QTFT-NPS0 Bleeder Screw Adapter, 1/4"-20 UNC male bleed port x Quick-test
    Ralston Instruments QTFT-NPS0 Bleeder Screw Adapter, 1/4" -20 UNC male bleed port xQuick-test
    Order # QTFT-NPS0 Mfg # QTFT-NPS0
    Special Price $184.36 Save 1 % Regular Price $184.37
  • Ralston QTFT-EHS0 DP Transmittter Adapter M8 x 1.25 bleed plugs, quick-test fitting
    Ralston Instruments QTFT-EHS0 DP Transmittter Adapter, M8x1.25 bleed plugs, quick-test fitting
    Order # QTFT-EHS0 Mfg # QTFT-EHS0
    $199.11
  • Ralston Instruments QTHA-2FSO-MP
    Ralston Instruments QTHA-2FSO-MP 1/4" Female Medium Pressure (CPF 7/16-20) x Male QT Adapter, Stainless Steel
    Order # QTHA-2FSO-MP Mfg # QTHA-2FS0-MP
    Special Price $86.58 Save 1 % Regular Price $86.59
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