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
主要性能規(guī)范 Chief property and specification
試驗壓力Test pressure
公稱壓力PN(MPa) Nominal pressure
實驗壓力(MPa)Test pressure
殼體Shell
密封(液)Seal
密封(氣)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
適用范圍 Suitable scope
殼體材料Shell material
適用介質(zhì)Applicable medium
適用溫度(℃)Applicable temperature
碳素鋼(C型)Carburizing steel
水、蒸汽、油品Water,steam,oil goods
≤425
;
硝酸類 Nitric acid
≤200
;
醋酸類 Acetic acid
≤200
;
水、蒸汽、油品Water,steam,oilgoods
≤550
主要零件材料Material for main parts
閥體、閥蓋Body,bonnet
閥板、閥座 Wedge disc,seat rign
閥桿 Stem
閥桿螺母 Yoke nut
填料 Packing
手輪 Hand wheel
碳素鋼 Carburizing steel
優(yōu)質(zhì)碳鋼+硬質(zhì)合金或不銹鋼 High-grade carbon steel+carbide alloy or stainleel
鉻不銹鋼Cr.stainless steel
鋁青銅AI bronze
石墨石棉盤根Graphite,asbestos coils
可鍛鑄鐵 Foraeable cast-iron
鉻鎳鈦鋼Cr.Ni.Tisteel
不銹鋼、不銹鋼+硬質(zhì)合金Stainless steel or +carbide alloy
鉻鎳鈦不銹鋼Cr.Ni.Ti stainless stee
鋁青銅AI bronze
浸聚四氟乙Dipping polyterafluo-roethylene
可鍛鑄鐵Foraeable cast-iron
鉻鎳鉬鈦鋼Cr.Ni.Mo.Tisteel
不銹鋼、不銹鋼+硬質(zhì)合金Stainless steel or +carbide alloy
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