Skip to content
Free Shipping On Purchases Over $100!
Free Shipping On Purchases Over $100!

Pressure Fittings

  • Original price $48.06 - Original price $48.06
    Original price $48.06
    $48.06
    $48.06 - $48.06
    Current price $48.06

    Ralston QTHA-1MSA 1/8" Male NPT Quick-Test Pressure Calibrator Adapters

    1/8" male NPT x female Quick-test, no check-valve, S.S. Quickly connect a pressure calibrator or other pressure device with Female NPT connections ...

    View full details
    Original price $48.06 - Original price $48.06
    Original price $48.06
    $48.06
    $48.06 - $48.06
    Current price $48.06
  • Original price $15.17 - Original price $15.17
    Original price $15.17
    $15.17
    $15.17 - $15.17
    Current price $15.17

    Ralston QTHA-2FB0 1/4" Female NPT Quick-Test Adapters

    1/4" female NPT x male Quick-test, no check-valve, brass. Connect a Quick-test hose to a pressure gauge or any device with a male NPT connection us...

    View full details
    Original price $15.17 - Original price $15.17
    Original price $15.17
    $15.17
    $15.17 - $15.17
    Current price $15.17
  • Original price $21.03 - Original price $21.03
    Original price $21.03
    $21.03
    $21.03 - $21.03
    Current price $21.03

    Ralston QTHA-2FBA 1/4" Female NPT - Female Quick Test Fitting

    1/4" male NPT x female Quick-test, no check-valve. Brass pressure fitting. Length 1.52 in / 39 mm Width 0.75 in / 20 mm Country of origin US...

    View full details
    Original price $21.03 - Original price $21.03
    Original price $21.03
    $21.03
    $21.03 - $21.03
    Current price $21.03
  • Original price $57.13 - Original price $57.13
    Original price $57.13
    $57.13
    $57.13 - $57.13
    Current price $57.13

    Ralston QTHA-2FS0 1/4" Female NPT Quick-Test Adapters

    1/4" female NPT x male Quick-test, no check-valve, S.S. Connect a Quick-test hose to a pressure gauge or any device with a male NPT connection usin...

    View full details
    Original price $57.13 - Original price $57.13
    Original price $57.13
    $57.13
    $57.13 - $57.13
    Current price $57.13
  • Original price $70.10 - Original price $70.10
    Original price $70.10
    $70.10
    $70.10 - $70.10
    Current price $70.10

    Ralston QTHA-2FS0-QD 1/4" Female NPT Quick-Connect Adapters

    1/4" female NPT Quick-connect x male Quick-test, no check-valve, S.S. Connect Quick-test hoses to a male NPT pressure gauge. It allows one to conne...

    View full details
    Original price $70.10 - Original price $70.10
    Original price $70.10
    $70.10
    $70.10 - $70.10
    Current price $70.10
  • Original price $50.84 - Original price $50.84
    Original price $50.84
    $50.84
    $50.84 - $50.84
    Current price $50.84

    Ralston QTHA-2FSA 1/4" Female NPT Quick-Test Gauge Adapters

    1/4" female NPT x female Quick-test, no check-valve, S.S. Connect to a pressure gauge or other device with Male NPT connections to a Ralston hand p...

    View full details
    Original price $50.84 - Original price $50.84
    Original price $50.84
    $50.84
    $50.84 - $50.84
    Current price $50.84
  • Original price $77.86 - Original price $77.86
    Original price $77.86
    $77.86
    $77.86 - $77.86
    Current price $77.86

    Ralston QTHA-2FSF-QD 1/4" Female 35 Degree Flare Quick-Connect Adapter

    1/4" female 37 degree flare (AN/JIC -04) x male Quick-test, no check-valve, S.S. Connect a male 37° flare AN/JIC fitting to a Quick-test hose witho...

    View full details
    Original price $77.86 - Original price $77.86
    Original price $77.86
    $77.86
    $77.86 - $77.86
    Current price $77.86
  • Original price $12.40 - Original price $12.40
    Original price $12.40
    $12.40
    $12.40 - $12.40
    Current price $12.40

    Ralston QTHA-2MB0 1/4" Male NPT - Male Quick Test Fitting

    1/4" male NPT x male Quick-test, no check-valve. Brass pressure fitting. Length 1.29 in / 33 mm Width 0.56 in / 15 mm Burst Pressure 20000 P...

    View full details
    Original price $12.40 - Original price $12.40
    Original price $12.40
    $12.40
    $12.40 - $12.40
    Current price $12.40
  • Original price $20.54 - Original price $20.54
    Original price $20.54
    $20.54
    $20.54 - $20.54
    Current price $20.54

    Ralston QTHA-2MB0-RT 1/4" Male BSPT (RT) Quick-Test Adapters

    1/4" male BSPT (ISO 7/1) x male Quick-test, no check-valve, brass. Connects Female BSPT (ISO 7/1) taper pipe thread to Quick-test hose using thread...

    View full details
    Original price $20.54 - Original price $20.54
    Original price $20.54
    $20.54
    $20.54 - $20.54
    Current price $20.54
  • Original price $18.73 - Original price $18.73
    Original price $18.73
    $18.73
    $18.73 - $18.73
    Current price $18.73

    Ralston QTHA-2MB1 1/4" Male NPT Quick-Test Adapters

    1/4" male NPT x male Quick-test, with check-valve, brass. Connects Female NPT to Quick-test hoses with brass or stainless steel hose ends. Specific...

    View full details
    Original price $18.73 - Original price $18.73
    Original price $18.73
    $18.73
    $18.73 - $18.73
    Current price $18.73
  • Original price $22.47 - Original price $22.47
    Original price $22.47
    $22.47
    $22.47 - $22.47
    Current price $22.47

    Ralston QTHA-2MBA 1/4" Male NPT - Female Quick Test Fitting

    1/4" male NPT x female Quick-test, no check-valve. Brass pressure fitting. Length 1.68 in / 43 mm Width 0.7 in / 18 mm Country of origin USA...

    View full details
    Original price $22.47 - Original price $22.47
    Original price $22.47
    $22.47
    $22.47 - $22.47
    Current price $22.47
  • Original price $73.27 - Original price $73.27
    Original price $73.27
    $73.27
    $73.27 - $73.27
    Current price $73.27

    Ralston QTHA-2MBL 1/4" Male NPT Quick-Test 90 Degree Elbows

    1/4" male NPT x male Quick-test 90 degree elbow, brass. Connect a hose to an adapter that is in a hard to reach place. Specifications Width 1.33...

    View full details
    Original price $73.27 - Original price $73.27
    Original price $73.27
    $73.27
    $73.27 - $73.27
    Current price $73.27
  • Original price $24.46 - Original price $24.46
    Original price $24.46
    $24.46
    $24.46 - $24.46
    Current price $24.46

    Ralston QTHA-2MS0 1/4" Male NPT - Male Quick Test Fitting

    1/4" male NPT x male Quick-test, no check-valve, Stainless Steel pressure fitting.   Length 1.29 in / 33 mm Width 0.56 in / 15 mm Country of...

    View full details
    Original price $24.46 - Original price $24.46
    Original price $24.46
    $24.46
    $24.46 - $24.46
    Current price $24.46
  • Original price $62.43 - Original price $62.43
    Original price $62.43
    $62.43
    $62.43 - $62.43
    Current price $62.43

    Ralston QTHA-2MS0-MP Medium Pressure Quick-Test Adapters

    7/16-20 male Medium Pressure x male Quick-test, S.S. Adapt Crystal Engineering nVision Calibrators to Ralston Quick-test hoses, hand pumps and nitr...

    View full details
    Original price $62.43 - Original price $62.43
    Original price $62.43
    $62.43
    $62.43 - $62.43
    Current price $62.43
  • Original price $78.74 - Original price $78.74
    Original price $78.74
    $78.74
    $78.74 - $78.74
    Current price $78.74

    Ralston QTHA-2MS0-QD 1/4" Male NPT Quick-Connect Adapters

    1/4" male NPT QD (Quick-connect) Adapter, S.S. Make a bubble-tight seal on any Female NPT pressure device without using thread sealant or a wrench....

    View full details
    Original price $78.74 - Original price $78.74
    Original price $78.74
    $78.74
    $78.74 - $78.74
    Current price $78.74
  • Original price $36.07 - Original price $36.07
    Original price $36.07
    $36.07
    $36.07 - $36.07
    Current price $36.07

    Ralston QTHA-2MS1 1/4" Male NPT Quick-Test Adapters

    1/4" male NPT x male Quick-test, with check-valve, S.S. Connects Female NPT to Quick-test hoses with brass or stainless steel hose ends. Specificat...

    View full details
    Original price $36.07 - Original price $36.07
    Original price $36.07
    $36.07
    $36.07 - $36.07
    Current price $36.07
  • Original price $50.84 - Original price $50.84
    Original price $50.84
    $50.84
    $50.84 - $50.84
    Current price $50.84

    Ralston QTHA-2MSA 1/4" Male NPT Quick-Test Adapters

    1/4" male NPT x female Quick-test, no check-valve, S.S. Quickly connect a pressure calibrator or other pressure device with Female NPT connections ...

    View full details
    Original price $50.84 - Original price $50.84
    Original price $50.84
    $50.84
    $50.84 - $50.84
    Current price $50.84
  • Original price $17.85 - Original price $17.85
    Original price $17.85
    $17.85
    $17.85 - $17.85
    Current price $17.85

    Ralston QTHA-2TB0 1/4" Tube Fitting - Male Quick Test Fitting

    1/4" tube fitting x male Quick-test, no check-valve, brass. Make a bubble-tight connection to any Swagelok, Parker, Hoke, SSP, Tylok or equivalent ...

    View full details
    Original price $17.85 - Original price $17.85
    Original price $17.85
    $17.85
    $17.85 - $17.85
    Current price $17.85
  • Original price $51.48 - Original price $51.48
    Original price $51.48
    $51.48
    $51.48 - $51.48
    Current price $51.48

    Ralston QTHA-2TS0 1/4" Tube Fitting Quick-Test Adapters

    1/4" tube fitting x male Quick-test, no check-valve, S.S. Make a bubble-tight connection to any Swagelok, Parker, Hoke, SSP, Tylok or equivalent tu...

    View full details
    Original price $51.48 - Original price $51.48
    Original price $51.48
    $51.48
    $51.48 - $51.48
    Current price $51.48
  • Original price $25.21 - Original price $25.21
    Original price $25.21
    $25.21
    $25.21 - $25.21
    Current price $25.21

    Ralston QTHA-3MB0 3/8" Male NPT - Male Quick Test Fitting

    3/8" male NPT x male Quick-test, no check-valve. Brass pressure fitting. Length 1.4 in / 36 mm Width 0.75 in / 20 mm Country of origin USA ...

    View full details
    Original price $25.21 - Original price $25.21
    Original price $25.21
    $25.21
    $25.21 - $25.21
    Current price $25.21
  • Original price $107.65 - Original price $107.65
    Original price $107.65
    $107.65
    $107.65 - $107.65
    Current price $107.65

    Ralston QTHA-3MS0-QD 3/8" Male NPT Quick-Connect Adapter

    3/8" Male NPT Quick-connect x Male Quick-test, S.S. Make a bubble-tight seal on any Female NPT pressure device without using thread sealant or a wr...

    View full details
    Original price $107.65 - Original price $107.65
    Original price $107.65
    $107.65
    $107.65 - $107.65
    Current price $107.65
  • Original price $19.24 - Original price $19.24
    Original price $19.24
    $19.24
    $19.24 - $19.24
    Current price $19.24

    Ralston QTHA-3S2F 1/4" Female NPT Outlet Port, Brass

    1/4" Female NPT outlet port, brass. Outlet ports used on hand pumps, nitrogen sources, volume controllers. Specifications  Material Brass Seal...

    View full details
    Original price $19.24 - Original price $19.24
    Original price $19.24
    $19.24
    $19.24 - $19.24
    Current price $19.24
  • Original price $42.55 - Original price $42.55
    Original price $42.55
    $42.55
    $42.55 - $42.55
    Current price $42.55

    Ralston QTHA-3S2F-SS 1/4" Female NPT Outlet Port, S.S

    1/4" Female NPT outlet port, S.S. Replace the standard outlet port with a 1/4" Female NPT port. Specifications Material Stainless Steel Seal M...

    View full details
    Original price $42.55 - Original price $42.55
    Original price $42.55
    $42.55
    $42.55 - $42.55
    Current price $42.55
  • Original price $12.74 - Original price $12.74
    Original price $12.74
    $12.74
    $12.74 - $12.74
    Current price $12.74

    Ralston QTHA-3SB0 3/8-24 Male Quick-Test Outlet Connection

    3/8-24 Male SAE X Male Quick-test outlet connection, brass. Specifications Material Brass Seal Materials Buna-N Pressure Reference None Pr...

    View full details
    Original price $12.74 - Original price $12.74
    Original price $12.74
    $12.74
    $12.74 - $12.74
    Current price $12.74