Ralston

The Ralston Field Gauge LC20 is the reference-grade pressure gauge you can take with you anywhere. The LC20 combines toughness, portability, and an...

Replacement O-ring for QTHA-2TB0 and QTHA-2TS0. Caps, bonded seals and copper washers provide replacement seals for adapters. Seal Materials Bu...

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...

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...

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...

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...

Caps, bonded seals and copper washers provide replacement seals for adapters. Connect two benchtop manifolds together. Seal Materials Buna-N, T...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

7/16-24 SAE/MS x Male Quick-test fitting with cap and chain, S.S. Connect to SAE/MS ports on pressure calibrators, pipelines and other processes. ...

3/4" Male NPT x male Quick-test, with check-valve, with cap and chain, brass A removable cap provides easy access to connect a Quick-test hose to t...

3/4" male NPT x male Quick-test, no check-valve, with cap and chain, brass. A removable cap provides easy access to connect a Quick-test hose to th...

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 ...

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...

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...

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 ...

Replacement outlet port used on hand pumps, nitrogen sources, volume controllers- with cap and chain. Material Brass Seal Material Buna-N ...

3/8" male NPT x male Quick-test, with check valve, with cap and chain, S.S. A removable cap provides easy access to connect a Quick-test hose to th...

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...

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 ...

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

1/4" male NPT QD (Quick-connect) fitting, S.S. Make calibrating pressure transmitters a snap by eliminating the need for thread sealant or wrenches...

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. ...

1/4" male 37 degree flare (H04 AN/JIC) x male Quick-test with cap and chain, S.S.  Connect to any male 37 degree flare adapter or tube. Seal Mat...

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...

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...