Test couplings with poppet valve (SKK) from the STAUFF Test 12 series with connection thread S12.65x1.5 as bulkhead version. Available in steel with high-quality zinc/nickel coating, or optionally in V2A and V4A stainless steel. Maximum operating pressure of 630 bar (9,137 PSI). Coupling under pressure up to 400 bar (6,090 PSI). Knurled cap made of metal.
