Hydraulic valve of turbine inlet valve, AJS, group of the AJD accumulator safety valve, the QDF ball solenoid valve, QDF-ball-type electromagnetic valve, YJF high pressure cut-off valve, JZF high pressure cut-off valve, Q41 floating ball valve, the Q647H fixed pneumatic valve, metal seal valve Q41H, long-distance pipeline ball valves Q47, sprayed the special ball valve of pulverized coal, coke oven with special ball valve, fire ball valve, anti-static ball valve, tee wire buckle, ball valve, four-way ball valve, the Q341 worm drive ball valve, QGD47Y track ball valve, ball valve KQ347F of anti-sulfur, low-temperature ball valve DQ347, pneumatic unload gray ball valve Q647AF, QTV41 V-type cut off ball valve, Q41F ultra-thin type ball Wafer type ball valve Q71F discharge valve Q3c1F, tankers ball valve, Cantonese-style ball valve Q41, eccentric semi-ball valve Q340F Q41F a ball valve, two ball, three ball valve, bevel ball the valve series YHQ41, aluminum alloy ball valve Q41F-10L, ceramic ball valves, high pressure ball valve, high temperature ball, acid ball valve, alkali ball valve 
 Nominal pressure: PN0.5-16Mpa 
 Operating temperature :0-550 ℃ 
 Nominal diameter: DN15-150mm 
 Connection type: flanged, threaded, welded 
 Material: 304,316,304 L, 316L, SS316, WCB, WC6, WC9, CF3, CF8, cast steel, cast iron, ductile iron, forged steel, stainless steel and so on.