... before delivery and only the qualified ones can be exported.For ball valves order, please specify the size, material, surface ... prices accordingly. Specifications of HRPC brand high pressure ball valves for hydraulic oil system: 1. Series Code: KHB(BKH), KHM( ... : Male thread-M, LR, SR, Female thread-BSPP, BSPT, NPT3. Valve Body Material: Carbon steel, Stainless steel, Brass4. Ball Body Material ...