Corrosion Resistance Alloy (CRA) Valves

API 603 CF8M gate valves mass production in JEV workshop

30”-300 CF8M gate valves for DOW CHEMICAL project in American,
All casting made by JEV own foundry

Super-austenite CN7M gate valves, the largest size is 18”-150 gate valve,
casting easily to have cracks, JEV did research and eliminate all defects, all casting RT and PT tested

Duplex stainless steel 4A/5A are commonly to be made in JEV foundry


Hastelloy CW12MW nickel based alloy: Hastelloy alloy is easily to have cracks when casting and welding process,
JEV did research and develop good technology to pour high quality casting. All casting RT and PT tested 

API 603 Corrosion Resistance Alloy (CRA) Valves

Stainless steel, Super Austenite Stainless steel,  Duplex stainless steel, Nickel Based Alloy - Hastelloy