1. 59 brass raw material 2. zinc handle 3. with filter 4. strainer valve Main features,1. CE certified,2. ... Full series MXM, MXF, FXF from DN15 to DN253. Hot forged brass body and ... s PTFE seal assured the light torque and smooth operation6. Body threads connection, BSP, NPT, ISO2287. Heavy duty max ... for water, oil and gas pipe system brass strainer valve