1、Compact structure,neasonnable design,good rigidity,smooth channel,small coefficient of flow resistance.
2、The sealing face uses stainless steel and carbide alloy and is of long duration
3、Using flexible graphite fillings,reliable sealing,light and nimble operation
4、Four driving ways,manually,electrically,air-ioerating and gear-driving,structure type,elastic wedge type with single gate board,right rigi-dwedge type with single or dual-gate board.
5、Widely used as the device of open or close to connect or cut off the medium inside of the pioeline of water,steam or oil goods in steam power plants
主要性能规范 Chief property and specification
试验压力Test pressure
公称压力PN(MPa) Nominal pressure
实验压力(MPa)Test pressure
壳体Shell
密封(液)Seal
密封(气)Seal
上密封Back seal
1.6
2.4
1.8
0.6
1.8
2.5
3.8
2.8
0.6
2.8
4.0
6.0
4.4
0.6
4.4
6.4
9.6
7.0
0.6
7.0
10.0
15.0
11.0
0.6
11.0
16.0
24.0
18.0
0.6
18.0
适用范围 Suitable scope
壳体材料Shell material
适用介质Applicable medium
适用温度(℃)Applicable temperature
碳素钢(C型)Carburizing steel
水、蒸汽、油品Water,steam,oil goods
≤425
硝酸类 Nitric acid
≤200
醋酸类 Acetic acid
≤200
水、蒸汽、油品Water,steam,oilgoods
≤550
主要零件材料Material for main parts
阀体、阀盖Body,bonnet
阀板、阀座 Wedge disc,seat rign
阀杆 Stem
阀杆螺母 Yoke nut
填料 Packing
手轮 Hand wheel
碳素钢 Carburizing steel
优质碳钢+硬质合金或不锈钢 High-grade carbon steel+carbide alloy or stainleel
