... Type Diaphragm Valve 1. High quality but competitive price; 2. Easy installation; 3. Safety and convenient Features:.Design & Manufacture: BS 5156-85 ... , MSS SP-88, GB 12239-89.Face to Face Dimension: BS 5156-85, ANSI B16.10, GB ... 12221-85, DIN 3202.Flanged Dimension: BS 5156-85, ANSI B16.5, EN ...