Durable Forged Brass Check Valve. 1.Material:brass body/stem,zinc/plastic handle. 2.Medium: ... water,oil,gas. 3.Certification:CE. Durable Forged Brass Check Valve.1.Model No. : LDM-CV042.Material: Body Brass,Hpb57-3 ... ,make the hot forging,machining and CNC processing,assembly,pressure test and packing,etc,all by ourselves.With the advantage of ...