brass pipe fittings for threaded pipe and PEX pipe, female thread DN15, DN20, DN25, PEX coupling 16mm forged brass CW614, ... DN15, DN20 and DN25, BSPP threaded, ISO228 parellel thread or NPT thread. PEX coupling from 16mm to 26mm. Suitable for ... ,Surface Treatment: nickle, chrome, brass natural, zinc, HDGConnection type: thread (BSP, NPT), weldingStandard: ISO, GB or ASTM, ANSICertification: ISO ...