... 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,Hpb59-3,CW614n,CW617n, ... ,assembly,pressure test and packing,etc,all by ourselves.With the advantage of one stop production service,we are ...