As one of the leading pneumatic actuated stainless steel gate valve manufacturers and suppliers in China and equipped with a productive factory,Website: , Shanghai Hugo Valve Co.,Ltd is always at your service.Application Pneumatic stainless steel gate valve's performance is reliable, convenient to replace and maintain, be widely used to control all kinds of medium by petroleum,chemical,sea transportation department.Characteristics of pneumatic actuated stainless steel gate valve1, Pneumatic stainless steel gate valve equip with pneumatic actuator and handle wheel2, stainless steel gate valve actuator used double cylinder structure, elevating power doubled comparing with single cylinder pneumatic gate valve.3, resolved single cylinder pneumatic gate valve's disadvantage- the gate stuck in the valve body, can not open.4, there is buffer gear to reduce the abrasion between gate sealing surface and valve body sealing surface caused by the piston downward impact when close the gate valve, can avoid the wedge stuck meanwhile.Main design details for Valve Full port ,OS&Y outside screw and yokeBB, Bolted bonnet, Flexible wedge, fully guidedSeat ring integral with bodyForged T-head stemRising stem and non-rising stemFlange or butt welded endValve materials of constructionBody material : 304 S.S., 316 S.S., 304L S.S., 316LS.S. Wedge material : 304/316/304L/316L +STL 6 Stem material :304,316,304L,316L Seat material : S.S. / STL 6Top flange size : according to electric actuator sizeApplicable standard for Valve :Design and Manufacture according to: ANSI, DIN, GOSTLength of Face to face : ANSI,DIN,GOST. Flange size standard: ANSI B16.5, DIN, EN1092 Test and inspection standard: API 598, DIN3230Main Valve Dimension ( 150 class pressure）                                                                                                    Unit : mmClass Size(Inch) 2" 2 1/2" 3" 4" 6" 8" 10" 12" 14" 16" 18" 20" 150 Length of face to face(RF) 178 191 203 229 267 292 331 356 381 406 432 457 L length of face to face (BW) 216 241 283 305 403 419 457 502 572 610 660 711 Height when valve open(OPEN) 381 450 473 586 835 1025 1240 1410 1570 1700 1978 2219 Weight (RF) 20 27 36 51 83 132 220 320 430 540 700 910 (RW) 15 21 31 45 73 117 170 286 402 452 650 880 Main Valve Dimension ( DIN standard PN16 pressure）                                                                                                    Unit : mmPressure (Mpa)PN 1.6 MpaSize (DN)506580100125150200250300350400450500600Length of face to face150170180190200210230250270290310330350390Height (open)30535440243749654169981591411891350168019072050Weight(kg)1517234351681051762853565687028951045