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

Ralston

Filters

  • Original price $21.66 - Original price $21.66
    Original price $21.66
    $21.66
    $21.66 - $21.66
    Current price $21.66

    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 $21.66 - Original price $21.66
    Original price $21.66
    $21.66
    $21.66 - $21.66
    Current price $21.66
  • Original price $12.77 - Original price $12.77
    Original price $12.77
    $12.77
    $12.77 - $12.77
    Current price $12.77

    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 $12.77 - Original price $12.77
    Original price $12.77
    $12.77
    $12.77 - $12.77
    Current price $12.77
  • Original price $25.19 - Original price $25.19
    Original price $25.19
    $25.19
    $25.19 - $25.19
    Current price $25.19

    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 $25.19 - Original price $25.19
    Original price $25.19
    $25.19
    $25.19 - $25.19
    Current price $25.19
  • Original price $23.14 - Original price $23.14
    Original price $23.14
    $23.14
    $23.14 - $23.14
    Current price $23.14

    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 $23.14 - Original price $23.14
    Original price $23.14
    $23.14
    $23.14 - $23.14
    Current price $23.14
  • Original price $13.86 - Original price $13.86
    Original price $13.86
    $13.86
    $13.86 - $13.86
    Current price $13.86

    Ralston QTHA-1MB0 1/8" Male NPT - Male Quick Test Fitting

    1/8" male NPT x male Quick-test, no check-valve. Brass pressure fitting. Length 1.2 in / 31 mm Width 0.56 in / 15 mm Country of origin USA ...

    View full details
    Original price $13.86 - Original price $13.86
    Original price $13.86
    $13.86
    $13.86 - $13.86
    Current price $13.86
  • Original price $38.88 - Original price $38.88
    Original price $38.88
    $38.88
    $38.88 - $38.88
    Current price $38.88

    Ralston QTFT-2MB1-RT 1/4" Male BSPT Quick Test Fitting

    1/4" male BSPT (ISO 7/1) x male Quick-test, with check-valve, with cap and chain, brass. Connects Female BSPT (ISO 7/1) taper pipe thread to Quick-...

    View full details
    Original price $38.88 - Original price $38.88
    Original price $38.88
    $38.88
    $38.88 - $38.88
    Current price $38.88
  • Original price $13.08 - Original price $13.08
    Original price $13.08
    $13.08
    $13.08 - $13.08
    Current price $13.08

    Ralston QTFT-CAPB Brass Quick Test Cap and Chain

    Ralston QTFT-CAPB is a brass cap and chain for male Quick Test. Length 0.85 in / 22 mm Width 0.7 in / 18 mm Country of origin USA Has Cap ...

    View full details
    Original price $13.08 - Original price $13.08
    Original price $13.08
    $13.08
    $13.08 - $13.08
    Current price $13.08
  • Original price $20.61 - Original price $20.61
    Original price $20.61
    $20.61
    $20.61 - $20.61
    Current price $20.61

    Ralston QTHA-3TB0 3/8" Tube Fitting - Male Quick Test Fitting

    3/8" tube fitting x male Quick-test, no check-valve. Brass pressure fitting. Compatible with Swagelok, Parker, Hoke, SSP, Tylok or equivalent tube ...

    View full details
    Original price $20.61 - Original price $20.61
    Original price $20.61
    $20.61
    $20.61 - $20.61
    Current price $20.61
  • Original price $18.39 - Original price $18.39
    Original price $18.39
    $18.39
    $18.39 - $18.39
    Current price $18.39

    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 $18.39 - Original price $18.39
    Original price $18.39
    $18.39
    $18.39 - $18.39
    Current price $18.39
  • Original price $25.07 - Original price $25.07
    Original price $25.07
    $25.07
    $25.07 - $25.07
    Current price $25.07

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

    1/2" male NPT x male Quick-test, no check-valve. Brass pressure fitting. Length 1.57 in / 40 mm Width 0.87 in / 23 mm Country of origin USA ...

    View full details
    Original price $25.07 - Original price $25.07
    Original price $25.07
    $25.07
    $25.07 - $25.07
    Current price $25.07
  • Original price $19.41 - Original price $19.41
    Original price $19.41
    $19.41
    $19.41 - $19.41
    Current price $19.41

    Ralston QTHA-1MBA 1/8" Male NPT - Female Quick Test Fitting

    1/8" male NPT x female Quick-test, no check-valve, Brass pressure fitting. Length 1.55 in / 40 mm Width 0.7 in / 18 mm Country of origin USA...

    View full details
    Original price $19.41 - Original price $19.41
    Original price $19.41
    $19.41
    $19.41 - $19.41
    Current price $19.41
  • Sold out
    Original price $122.28 - Original price $122.28
    Original price $122.28
    $122.28
    $122.28 - $122.28
    Current price $122.28

    Ralston XTFT-FRS0 5/16"-24 UNF DP Transmitter - Male Quick Test Fitting

    5/16"-24 UNF DP Transmitter x male Quick-test XT fitting, with cap and chain, 316 Stainless Steel pressure fitting. Compatible with Rosemount 20...

    View full details
    Original price $122.28 - Original price $122.28
    Original price $122.28
    $122.28
    $122.28 - $122.28
    Current price $122.28
    Sold out
  • Original price $25.56 - Original price $25.56
    Original price $25.56
    $25.56
    $25.56 - $25.56
    Current price $25.56

    Ralston QTHA-1MB1-RT BSPT 1/8" Male Quick Test Adapter

    1/8" male BSPT (ISO 7/1) x male Quick-test, with check-valve, brass. Connects Female BSPT (ISO 7/1) taper pipe thread to Quick-test hose using thre...

    View full details
    Original price $25.56 - Original price $25.56
    Original price $25.56
    $25.56
    $25.56 - $25.56
    Current price $25.56
  • Original price $20.57 - Original price $20.57
    Original price $20.57
    $20.57
    $20.57 - $20.57
    Current price $20.57

    Ralston QTHA-1MB0-RT BSPT 1/8" Male Quick Test Adapter

    1/8" 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 $20.57 - Original price $20.57
    Original price $20.57
    $20.57
    $20.57 - $20.57
    Current price $20.57
  • Original price $19.98 - Original price $19.98
    Original price $19.98
    $19.98
    $19.98 - $19.98
    Current price $19.98

    Ralston QTHA-1MB0-RS 1/8" Male BSPP Quick Test Adapter

    G 1/8" male BSPP (ISO 228/1) x male Quick-test, no check-valve, brass. Width 0.56 in (1.42 cm) Seal Materials Buna-N Wrench Size 9/16 in (1...

    View full details
    Original price $19.98 - Original price $19.98
    Original price $19.98
    $19.98
    $19.98 - $19.98
    Current price $19.98
  • Original price $90.56 - Original price $90.56
    Original price $90.56
    $90.56
    $90.56 - $90.56
    Current price $90.56

    Ralston QTHA-1FSA-QD 1/8" Female NPT Quick Connect Adapter

    1/8" female NPT Quick-connect x female Quick-test, no check-valve, S.S. Connect one end to a pressure gauge and the other directly to a Ralston han...

    View full details
    Original price $90.56 - Original price $90.56
    Original price $90.56
    $90.56
    $90.56 - $90.56
    Current price $90.56
  • Original price $69.76 - Original price $69.76
    Original price $69.76
    $69.76
    $69.76 - $69.76
    Current price $69.76

    Ralston QTHA-1FS0-QD 1/8" Female NPT Quick Connect Adapter

    1/8" 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 $69.76 - Original price $69.76
    Original price $69.76
    $69.76
    $69.76 - $69.76
    Current price $69.76
  • Original price $46.07 - Original price $46.07
    Original price $46.07
    $46.07
    $46.07 - $46.07
    Current price $46.07

    Ralston QTHA-1FS0 1/8" Female NPT Quick Test

    1/8" 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 $46.07 - Original price $46.07
    Original price $46.07
    $46.07
    $46.07 - $46.07
    Current price $46.07
  • Original price $14.57 - Original price $14.57
    Original price $14.57
    $14.57
    $14.57 - $14.57
    Current price $14.57

    Ralston QTHA-1FB0-RT 1/8" Female BSPT Quick Test Adapter

    1/8" female BSPT (ISO 7/1) x male Quick-test, no check-valve, brass. Connect to any Male BSPT (ISO 7/1) taper thread connection using thread sealan...

    View full details
    Original price $14.57 - Original price $14.57
    Original price $14.57
    $14.57
    $14.57 - $14.57
    Current price $14.57
  • Original price $34.78 - Original price $34.78
    Original price $34.78
    $34.78
    $34.78 - $34.78
    Current price $34.78

    Ralston QTHA-1FB0-RG 1/8" Female BSPP Quick Test Adapter

    G 1/8" female BSPP (ISO 228/1) x male Quick-test, no check-valve, brass. Connect Male BSPP (ISO 228/1) parallel thread to Quick-test hose for tempo...

    View full details
    Original price $34.78 - Original price $34.78
    Original price $34.78
    $34.78
    $34.78 - $34.78
    Current price $34.78
  • Original price $32.39 - Original price $32.39
    Original price $32.39
    $32.39
    $32.39 - $32.39
    Current price $32.39

    Ralston QTFT-0.5MB0 1/16" Male NPT Quick Test Adapter

    1/16" male NPT x male Quick-test, no check-valve, brass. Connects Female NPT to Quick-test hoses with brass or stainless steel hose ends. Seal M...

    View full details
    Original price $32.39 - Original price $32.39
    Original price $32.39
    $32.39
    $32.39 - $32.39
    Current price $32.39
  • Original price $35.04 - Original price $35.04
    Original price $35.04
    $35.04
    $35.04 - $35.04
    Current price $35.04

    Ralston QTFT-PLGS Quick Test Plugs

    Quick-test Hose plug, and chain only, brass. Seal Materials Buna-N Check Valve No End 1 Male Quick-test Pressure Range 0 to 5000 psi (0 to...

    View full details
    Original price $35.04 - Original price $35.04
    Original price $35.04
    $35.04
    $35.04 - $35.04
    Current price $35.04
  • Original price $24.73 - Original price $24.73
    Original price $24.73
    $24.73
    $24.73 - $24.73
    Current price $24.73

    Ralston QTFT-PLGB Quick Test Plugs

    Quick-test Hose plug, and chain only, brass. Seal Materials Buna-N Check Valve No End 1 Male Quick-test Pressure Range 0 to 5000 psi (0 to...

    View full details
    Original price $24.73 - Original price $24.73
    Original price $24.73
    $24.73
    $24.73 - $24.73
    Current price $24.73
  • Original price $76.66 - Original price $76.66
    Original price $76.66
    $76.66
    $76.66 - $76.66
    Current price $76.66

    Ralston QTFT-HTBB-2T 1/4" Tube Fitting Quick Test Bulkhead Union

    1/4" tube fitting x male Quick-test bulkhead union, with cap and chain, brass. Connect to a Quick-test hose on one side and a tube fitting on the o...

    View full details
    Original price $76.66 - Original price $76.66
    Original price $76.66
    $76.66
    $76.66 - $76.66
    Current price $76.66
  • Original price $74.94 - Original price $74.94
    Original price $74.94
    $74.94
    $74.94 - $74.94
    Current price $74.94

    Ralston QTFT-HNS0 1/4"-28 UNF Male DP Transmitter Quick Test Fitting

    Honeywell 1/4"-28 UNF x male Quick-test, with cap and chain, S.S. Ideal for situations where frequent calibration of a DP transmitter using the ble...

    View full details
    Original price $74.94 - Original price $74.94
    Original price $74.94
    $74.94
    $74.94 - $74.94
    Current price $74.94
  • Original price $76.00 - Original price $76.00
    Original price $76.00
    $76.00
    $76.00 - $76.00
    Current price $76.00

    Ralston QTFT-HHSB Male Quick Test Bulkhead Union

    Male Quick-test x male Quick-test bulkhead union, with cap and chain, S.S. Excellent for safely connecting two Quick-test hoses through an enclosur...

    View full details
    Original price $76.00 - Original price $76.00
    Original price $76.00
    $76.00
    $76.00 - $76.00
    Current price $76.00
  • Original price $84.11 - Original price $84.11
    Original price $84.11
    $84.11
    $84.11 - $84.11
    Current price $84.11

    Ralston QTFT-HFSB-2F 1/4" Female NPT Quick Test Bulkhead Union

    1/4" female NPT x male Quick-test bulkhead union, with cap and chain, S.S. Connect a hose on one side of a panel, wall or enclosure with female NPT...

    View full details
    Original price $84.11 - Original price $84.11
    Original price $84.11
    $84.11
    $84.11 - $84.11
    Current price $84.11
  • Original price $78.02 - Original price $78.02
    Original price $78.02
    $78.02
    $78.02 - $78.02
    Current price $78.02

    Ralston QTFT-HFBB-2F 1/4" Female NPT Quick Test Bulkhead Union

    1/4" female NPT x male Quick-test bulkhead union, with cap and chain brass. Connect to a Quick-test hose on one side (with cap and chain) and to an...

    View full details
    Original price $78.02 - Original price $78.02
    Original price $78.02
    $78.02
    $78.02 - $78.02
    Current price $78.02
  • Original price $34.09 - Original price $34.09
    Original price $34.09
    $34.09
    $34.09 - $34.09
    Current price $34.09

    Ralston QTFT-5SB0 QTVC Outlet Port 5/16" Male Quick Test with Cap and Chain

    QTVC Outlet port, male Quick-test with cap and chain, brass. 5/16-24 SAE Male X Male Quicktest outlet connection with cap and chain, brass. End ...

    View full details
    Original price $34.09 - Original price $34.09
    Original price $34.09
    $34.09
    $34.09 - $34.09
    Current price $34.09
  • Original price $117.86 - Original price $117.86
    Original price $117.86
    $117.86
    $117.86 - $117.86
    Current price $117.86

    Ralston QTFT-4MS0-QD 1/2" Male NPT Quick Connect Fitting

    1/2" Male NPT Quick-connect x Male Quick-test, with Cap and Chain, S.S. Make calibrating pressure transmitters a snap by eliminating the need for t...

    View full details
    Original price $117.86 - Original price $117.86
    Original price $117.86
    $117.86
    $117.86 - $117.86
    Current price $117.86
  • Original price $142.45 - Original price $142.45
    Original price $142.45
    $142.45
    $142.45 - $142.45
    Current price $142.45

    Ralston QTFT-4MS0-AN-QD 1/2" Male 37 Degree Flare Quick Test Fitting with Cap and Chain

    1/2" male 37 degree flare (H04 AN/JIC) x male Quick-test with cap and chain, S.S. Seal Materials Buna-N, Teflon End 2 Male Quick-test with Cap...

    View full details
    Original price $142.45 - Original price $142.45
    Original price $142.45
    $142.45
    $142.45 - $142.45
    Current price $142.45
  • Original price $68.25 - Original price $68.25
    Original price $68.25
    $68.25
    $68.25 - $68.25
    Current price $68.25

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

    1/2" male NPT x male Quick-test, no check-valve, with cap and chain, S.S. A removable cap provides easy access to connect a Quick-test hose to the ...

    View full details
    Original price $68.25 - Original price $68.25
    Original price $68.25
    $68.25
    $68.25 - $68.25
    Current price $68.25
  • Original price $124.99 - Original price $124.99
    Original price $124.99
    $124.99
    $124.99 - $124.99
    Current price $124.99

    Ralston QTFT-3MS0-QD 3/8" Male NPT Quick Connect Fitting

    3/8" Male Quick-connect x Male Quick-test, with cap and chain, S.S. Make calibrating pressure transmitters a snap by eliminating the need for threa...

    View full details
    Original price $124.99 - Original price $124.99
    Original price $124.99
    $124.99
    $124.99 - $124.99
    Current price $124.99
  • Original price $86.62 - Original price $86.62
    Original price $86.62
    $86.62
    $86.62 - $86.62
    Current price $86.62

    Ralston QTFT-2MS0-XH 1/4" Male High Pressure Quick Test Fitting

    1/4" Male High Pressure x Male Quick-test fitting with cap and chain. Connect a Female High Pressure 60 degree coned and threaded pressure fitting ...

    View full details
    Original price $86.62 - Original price $86.62
    Original price $86.62
    $86.62
    $86.62 - $86.62
    Current price $86.62
  • Original price $84.00 - Original price $84.00
    Original price $84.00
    $84.00
    $84.00 - $84.00
    Current price $84.00

    Ralston QTFT-2MS0-MP 1/4" Male Medium Pressure Quick Test Fitting

    1/4" Male Medium Pressure x Male Quick-test with Cap and Chain. Adapt any pressure calibrator, pressure gauge or comparator to Quick-test easily. ...

    View full details
    Original price $84.00 - Original price $84.00
    Original price $84.00
    $84.00
    $84.00 - $84.00
    Current price $84.00
  • Original price $33.63 - Original price $33.63
    Original price $33.63
    $33.63
    $33.63 - $33.63
    Current price $33.63

    Ralston QTFT-2MB0-RT 1/4" Male BSPT Quick Test Fitting

    1/4" male BSPT (ISO 7/1) x male Quick-test, no check-valve, with cap and chain, brass. Connects Female BSPT (ISO 7/1) taper pipe thread to Quick-te...

    View full details
    Original price $33.63 - Original price $33.63
    Original price $33.63
    $33.63
    $33.63 - $33.63
    Current price $33.63
  • Original price $47.99 - Original price $47.99
    Original price $47.99
    $47.99
    $47.99 - $47.99
    Current price $47.99

    Ralston QTFT-2MB0-RS 1/4" Male BSPP Quick Test Fitting

    G 1/4" male BSPP (ISO 228/1) x male Quick-test, no check-valve, with cap and chain, brass. Connect Female BSPP (ISO 228/1) parallel thread to Quick...

    View full details
    Original price $47.99 - Original price $47.99
    Original price $47.99
    $47.99
    $47.99 - $47.99
    Current price $47.99
  • Original price $96.09 - Original price $96.09
    Original price $96.09
    $96.09
    $96.09 - $96.09
    Current price $96.09

    Ralston QTFT-1MS0-QD 1/8" Male NPT Quick-Connect Fitting

    1/8" male NPT QD (Quick-connect) fitting, S.S. Make calibrating pressure transmitters a snap by eliminating the need for thread sealant or wrenches...

    View full details
    Original price $96.09 - Original price $96.09
    Original price $96.09
    $96.09
    $96.09 - $96.09
    Current price $96.09
  • Original price $39.53 - Original price $39.53
    Original price $39.53
    $39.53
    $39.53 - $39.53
    Current price $39.53

    Ralston QTFT-1MB1-RT 1/" Male DSPT Quick Test Fitting

    1/8" male BSPT (ISO 7/1) x male Quick-test, with check-valve, with cap and chain, brass.  Connects Female BSPT (ISO 7/1) taper pipe thread to Quick...

    View full details
    Original price $39.53 - Original price $39.53
    Original price $39.53
    $39.53
    $39.53 - $39.53
    Current price $39.53
  • Original price $24.02 - Original price $24.02
    Original price $24.02
    $24.02
    $24.02 - $24.02
    Current price $24.02

    Ralston QTHA-1FB1 1/8" Female NPT - Male Quick Test Adapter

    Ralston QTHA-1FB1 1/8" female NPT x male Quick-test, with check-valve, brass. Connect a Quick-test hose to a pressure gauge or any device with a ma...

    View full details
    Original price $24.02 - Original price $24.02
    Original price $24.02
    $24.02
    $24.02 - $24.02
    Current price $24.02
  • Original price $19.00 - Original price $19.00
    Original price $19.00
    $19.00
    $19.00 - $19.00
    Current price $19.00

    Ralston QTHA-1FB0 1/8" Female NPT - Male Quick Test Adapter

    Ralston QTHA-1FB0 1/8" 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...

    View full details
    Original price $19.00 - Original price $19.00
    Original price $19.00
    $19.00
    $19.00 - $19.00
    Current price $19.00
  • Original price $29.72 - Original price $29.72
    Original price $29.72
    $29.72
    $29.72 - $29.72
    Current price $29.72

    Ralston QTHA-1FBA 1/8" Female NPT - Female Quick Test Fitting

    1/8" female NPT x female Quick-test, no check-valve, Brass pressure fitting.   Length 1.3 in / 34 mm Width 0.7 in / 18 mm Country of origin ...

    View full details
    Original price $29.72 - Original price $29.72
    Original price $29.72
    $29.72
    $29.72 - $29.72
    Current price $29.72
  • Original price $19.46 - Original price $19.46
    Original price $19.46
    $19.46
    $19.46 - $19.46
    Current price $19.46

    Ralston QTFT-CAPS Stainless Steel Quick Test Cap and Chain

    Ralston QTFT-CAPS is a stainless steel cap and chain for male Quick Test. Length 0.85 in / 22 mm Width 0.7 in / 18 mm Country of origin USA ...

    View full details
    Original price $19.46 - Original price $19.46
    Original price $19.46
    $19.46
    $19.46 - $19.46
    Current price $19.46
  • Original price $31.23 - Original price $31.23
    Original price $31.23
    $31.23
    $31.23 - $31.23
    Current price $31.23

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

    1/2" tube fitting x male Quick-test, no check-valve. Brass pressure fitting. Compatible with Swagelok, Parker, Hoke, SSP, Tylok or equivalent tube ...

    View full details
    Original price $31.23 - Original price $31.23
    Original price $31.23
    $31.23
    $31.23 - $31.23
    Current price $31.23
  • Original price $25.97 - Original price $25.97
    Original price $25.97
    $25.97
    $25.97 - $25.97
    Current price $25.97

    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 $25.97 - Original price $25.97
    Original price $25.97
    $25.97
    $25.97 - $25.97
    Current price $25.97
  • Original price $44.88 - Original price $44.88
    Original price $44.88
    $44.88
    $44.88 - $44.88
    Current price $44.88

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

    1/4" male NPT x male Quick-test, no check-valve, with cap and chain, Stainless Steel pressure fitting. Length 1.85 in / 47 mm Width 0.71 in / ...

    View full details
    Original price $44.88 - Original price $44.88
    Original price $44.88
    $44.88
    $44.88 - $44.88
    Current price $44.88