Main technical parameter of gate valve: DN: 2" and above pressure grade: 150LB-2500LB (1.0MPA-42MPA) Connecting Type: flange end, SW, BW, RTJ, threaded end Material: stainless steel 316, 316L, 304, 304L, WCB, A105 and so on Design standard: API6D, 600 Face to face standard: ANSI B16.10 Flange standard: ANSI B16.5 Test standard: API 598, API6D Outer packing: Wooden Crate