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Tubing And Fittings

Tubing And Fittings

The correct pressure components will provide a tight fit for critical operations. Transcat’s broad inventory of pressure fittings, tubing, hoses and adapters ensure safe, leak-free connectivity. With our comprehensive kits, you receive sets of hoses and adapters for making pressure connections confidently and safely. Our kits and individual products are constructed in a variety of durable materials by Ralston Instruments, Meriam, Crystal Engineering and other leaders in pressure reading, testing and calibration.


Wide Selection of Fittings for Pressure Instruments


We offer valves, fittings and hoses for low to high pressure applications. Our secure tube fittings support pressure testing or gas sampling. At Transcat, you can order specialized products, such as a transmitter test hose kit, a pump fitting set, or a nitrogen calibration source. We also have universal hose/adaptor kits and seal sets. Our selection includes female and male fittings, as well as single adapters and plugs. You can achieve easier installations with compatible hoses, fittings and valves designed for fast connectivity. The right pressure part can be ordered by reviewing: application suitability, psi working pressure, bar, materials, and connectivity.


Faster Testing with the Top Brands  


You will find we stock a wide selection of Quick-test Adapters from Ralston Instruments, which are configured to seal on an o-ring and prevent tube fitting problems. Ralston also supplies self-contained calibration sources that come with pressure adaptors and hoses to ensure proper gauge or calibrator connections. Transcat distributes Fluke hydraulic test hoses, constructed of stainless steel and nylon, that reliably connect the brand’s test pumps to devices. Crystal Engineering CPF fittings are available to deliver working pressure to 10,000 PSI following a hand connection.


Choose your compatible pressure fittings and hoses today. For more information, chat live or call 800.828.1470 now.



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  1. Fluke 700TTH5K

    Premium Pressure Transmitter Test Hose Kit

    Order #: 700TTH5K

    Mfg #: 700TTH5K

    Usually ships in 7-10 days

    $496.00 USD

    $446.40 USD

  2. Ralston Instruments QTHA-KIT4

    Universal Quick-test Hose and Adapter Kit

    Order #: QTHA-KIT4

    Mfg #: QTHA-KIT4

    In stock

    $953.30 USD

    $924.70 USD

  3. Transcat PRESSURE-KIT4

    Pressure Kit for Rosemount Transmitters

    Order #: PRESSURE-KIT4

    Mfg #: PRESSURE-KIT4

    In stock

    $1,999.95 USD
  4. Ralston Instruments NPAK-2FBA-6-3

    Nitrogen Calibration Source

    Order #: NPAK-2FBA-6-3

    Mfg #: NPAK-2FBA-6-3

    Usually ships in 7-10 days

    $4,257.50 USD

    $4,129.78 USD

  5. Ralston Instruments NPAK-2MBA-6-3

    Nitrogen Calibration Source

    Order #: NPAK-2MBA-6-3

    Mfg #: NPAK-2MBA-6-3

    Usually ships in 7-10 days

    $4,258.60 USD

    $4,130.84 USD

  6. Ralston Instruments DPPV-0000

    Low Pressure and Vacuum Test Pump

    Order #: DPPV-0000

    Mfg #: DPPV-0000

    In stock

    $447.40 USD

    $433.98 USD

  7. Crystal Engineering MPM-1/4MPT

    1/4 inch NPT Male Fitting (CPF Male)

    Order #: MPM-1/4MPT

    Mfg #: MPM-1/4MPT

    Usually ships in 3-5 days

    $85.00 USD

    $82.45 USD

  8. Ralston Instruments QTHA-KIT6-3FT

    Quick-test Hose Kit

    Order #: QTHA-KIT6-3FT

    Mfg #: QTHA-KIT6-3FT

    In stock

    $129.60 USD

    $125.71 USD

  9. Ralston Instruments AP0V-0000

    AP0V(300PSI/20bar)Pump,No Gauge Connection w/3ft.Hose,1/4"NPTM

    Order #: APOV-0000

    Mfg #: AP0V-0000

    In stock

    $337.40 USD

    $327.28 USD

  10. Ralston Instruments QTHA-KIT4-SS

    Universal Quick-test Hose and Adapter Kit

    Order #: QTHA-KIT4-SS

    Mfg #: QTHA-KIT4-SS

    In stock

    $1,308.00 USD

    $1,268.76 USD

  11. Ralston Instruments QTFT-2MS1

    1/4" Male NPT x male QT, with check-valve

    Order #: QTFT-2MS1

    Mfg #: QTFT-2MS1

    In stock

    $41.00 USD

    $39.77 USD

  12. Crystal Engineering 4016

    Complete NPT Hose and Fitting Kit w/Carrying Case

    Order #: 4016

    Mfg #: 4016

    Order now or call for price and availability 800-828-1470

    $1,635.00 USD

    $1,585.95 USD

  13. Ralston Instruments QTHA-FRS0

    5/16"-24UNF x Male Quick-test,no Check-valve,SS

    Order #: QTHA-FRS0

    Mfg #: QTHA-FRS0

    In stock

    $36.00 USD

    $34.92 USD

  14. Transcat 23623P

    Service Kit w/Seals, O-Ring, Screws (for 23622P)

    Order #: 23623P

    Mfg #: TPK1-40-T

    In stock

    $110.00 USD
  15. Ralston Instruments QTFT-2MB0

    1/4"Male NPTxMale Quick-test no Check-valve w/Cap&Chain,Brass

    Order #: QTFT-2MB0

    Mfg #: QTFT-2MB0

    Usually ships in 7-10 days

    $18.10 USD

    $17.56 USD

  16. Ralston Instruments QTFT-2MB1

    NPT Male 1/4''

    Order #: QTFT-2MB1

    Mfg #: QTFT-2MB1

    In stock

    $22.10 USD

    $21.44 USD

  17. Ralston Instruments QTQT-HOS-3FT

    Quick-test 6900PSI Hose,Brass Ends,3ft(92cm)long

    Order #: QTQT-HOS-3FT

    Mfg #: QTQT-HOS-3FT

    In stock

    $46.50 USD

    $45.11 USD

  18. FasTest MIT-042041

    Twist-to-Connector Connector 1/4"NPTF

    Order #: MIT-042041

    Mfg #: MIT-042041

    Usually ships in 7-10 days

    $79.00 USD
  19. Ralston Instruments QTCM-1MBA-20-2

    Nitrogen Calibration Manifold

    Order #: QTCM-1MBA-20-2

    Mfg #: QTCM-1MBA-20-2

    Usually ships in 7-10 days

    $454.80 USD

    $441.16 USD

  20. Meriam M600-KT

    Combo Pneumatic Calibration Kit

    Order #: M600-KT

    Mfg #: M600-KT

    Usually ships in 7-10 days

    $797.00 USD
  21. Ralston Instruments QTFT-4MS1

    1/2" male NPT x male Quick-test with check-valve

    Order #: QTFT-4MS1

    Mfg #: QTFT-4MS1

    Usually ships in 7-10 days

    $59.60 USD

    $57.81 USD

  22. Ralston Instruments QTHA-2MB0

    1/4"Male NPT x Quick-test no Check-valve,Brass

    Order #: QTHA-2MB0

    Mfg #: QTHA-2MB0

    In stock

    $9.10 USD

    $8.83 USD

  23. Additel ADT103-NPT

    Adapter and Fitting, 1/4" NPT Male to various quick connect

    Order #: ADT103-NPT

    Mfg #: ADT103-NPT

    Usually ships in 7-10 days

    $1,384.00 USD

    $1,328.64 USD

  24. Ralston Instruments QTHA-2TB0

    1/4" Tube Adapter for Quick-Test Hose,Brass

    Order #: QTHA-2TB0

    Mfg #: QTHA-2TB0

    In stock

    $12.90 USD

    $12.51 USD

  25. Ralston Instruments QTCM-0000-0-0

    Nitrogen Calibration Manifold

    Order #: QTCM-0000-0-0

    Mfg #: QTCM-0000-0-0

    Usually ships in 7-10 days

    $312.00 USD

    $302.64 USD

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