Fingure:  C2000

Specification	Application
Face to face according to API594 ect. Flange drilling according to ANSI125/150;DIN2501PN10/PN16;AS2129 Table E;JIS10K ect. Working Pressure: PN10;PN16;150LB   Materials:ASTM A126A(B); WCB;CF8;CF8M;CF3M ect.	Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
Materials
NO. NAME MATERIAL 1 Body GG25  2 Disc SS316 3 Stem SS410 4 Spring SS304 5 Washer PTFE 6 Washer PTFE 7 Gasket NBR 8 Hex nut A193 B
Dimensions
c D D1 D2 L R t 50 107 65 40 54 27 26.2 65 127 78 60 60 35 30.2 80 137 94 70 67 42 29 100 175 117 88 67 50 27.6 125 187 145 115 83 64 39.2 150 222 171 134 95 77 47 200 279 222 182 127 102.5 66.5 250 340 276 220 140 125 71.5 300 410 328 260 181 146 105.5 350 451 375 298 184.2 170 93