GF Backnut black casted iron 310 female thread 3"

Malleable Cast iron fittings of GF are distinguished from other types on the market, because of high mechanical stress and temperature resistance, due to the use of very high quality alloy cast iron (EN-GJMW-400-5 to EN 1562).

Suitable for working pressures up to 25bar at 125 ° C

Maximum test pressure: 1,5 x design pressure

Threads according to EN10226-1; female tread to BSPP thread (cylindrical) and male thread to BSPT (conical).

Fields of application:

Plumbing, HVAC, sprinkler systems, air lines etc.