P3.0MPa法兰铸钢带波纹管截止阀规范
Specification for P3.0 MPa flanged cast steel stop valves with bellows
2011-07-19
CB 20019-2011
P3.0MPa法兰铸钢带波纹管截止止回阀规范
Specification for P3.0 MPa flanged cast steel stop check valves with bellows
2011-07-19
CB/T 4028-2005
J类法兰青铜0.5MPa闸阀
J kind of flanged bronze 0.5MPa gate valves
2005-04-11
FED WW-V-54D Notice 1-Cancellation
VALVE, GATE, BRONZE (125, 150 AND 300 POUND, THREADED ENDS, FLANGE ENDS, SOLDER END AND BRAZED ENDS, FOR LAND USE) (S/S BY SP-80) (SUPERSEDING WW-V-54C)
青铜闸阀(125、150和300磅 螺纹端、法兰端、焊接端和钎焊端 供土地使用)(S/S由SP-80提供)(取代WW-V-54C)