... Medium:water,oil,gas. 3.Certification:CE. Durable Forged Brass Check Valve.1.Model No. : LDM-CV042.Material: Body ... handle,Stainless steel handle, Aluminium handle,Plastic handle.Connection Theaded ISO228,BSP,NPT,UNION.3.Technics Forged. Chrome ... One Stop Production to ensure the Delivery and Quality!We smelt the brass bars,make the ... to ensure the competitive price,high quality and prompt delivery.