2-1/2 inch (63.5 mm) Brass Test Cap NST connects to a pressure gauge for static pressure tests of fire hydrant outlets at pressures up to 50 PSI. Made of cast brass, this cap is available with a National Standard Thread (NST) inlet and forms a water-tight seal with a rubber gasket.
Quickly install a gauge or vent pressure with this 2-1/2 inch (63.5 mm) Brass Test Cap NST using the 1/4 inch (6.35 mm) Female NPT (FNPT) threaded bleeder/inlet. Compatible with gauges in a range of sizes and pressures, including our line of air and water pressure gauges.
Directly connecting a pressure gauge to the test cap is not recommended during static pressure tests. Bleeder valves can safely release excess pressure to prevent damage to gauges.
This 2-1/2 inch (63.5 mm) Brass Test Cap is compatible with our full line of 1/4 inch (6.35 mm) bleeder valves designed for static pressure tests. Single-ball-valve bleeders allow users to direct flow to a pressure gauge or to a bleeder using only one ball valve, while double-ball-valve bleeders use two ball valves to control gauge and discharge outlets separately. Quick-disconnect bleeders feature Parker Hannafin's high-quality quick-disconnect fittings to protect pressure gauges against unnecessary wear during installation and removal.
Click here to review the specifications for each of our bleeders. Canadian CSA thread options available upon request.