Inquiry (采购产品): SS Check Valves Looking for Check valve that can Handle 350 degrees F 200 psi 1/2 male NPT both ends. Also Lower temp Check Valves 3/8 male NPT both ends. **** Hidden Message ***** Thomas Hopkins 30340 Company: For Prototype Development E-mail: teh770@mindspring.com **** Hidden Message ***** teh770@mindspring.com