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上海融骏阀门锻钢闸阀有三种体盖连接设计形式

详细介绍

上海融骏阀门锻钢闸阀有三种体盖连接设计形式。种是体盖螺栓连接，按这种连接形式设计的阀门，其阀体与阀盖用螺栓连接，缠绕式垫片密封，优点是便于维修。第二种体盖焊接连接，按这种连接形式设计的阀门，其阀体与阀盖全焊密封，优点是无外泄漏。第三种是压力自紧式阀盖，按这种连接形式设计的阀门，其阀体与阀盖用螺纹连接，内压自密封环密封，优点是内部压力越大，其密封性能越好。

rjvalve forged steel gate valve has three types of bonnet. One is bolted bonnet,which the body is connected with bonnet by
bolts and sealed by spiral gasket withadvantages of convenient maintenance; one is welded bonnet, which the body is
fullywelded with sealing bonnet of no leakage; another is pressure-in bonnet, which thebody is screwed into the bonnet and
sealed by inner pressure-in ring with bettersealing ability for higher pressure.

设计结构和特征

1.设计制造成:按ANSIB16.34; API 602; BS53522.连接端尺寸:

1)承插孔尺寸按ANSI B16.11; JISB2306

2)螺纹端尺寸按ANSI B1.20.1 BS21; ISO7/1; JIS B02033.阀门检验和试验:按API 5984.材料:按ANSI/ASTM的规定

5.主体材料: A105; F11; F22; 304; 304L; 316; 316L; LF2...6.标记按MSS- -SP- 25

Design structure and feature

1. Design and manufacture: ANSI B16.34; API 602; BS53522. End connection

1) SW dimension: ANSI B16.11; JISB2306

2) Screwed dimension: ANSI B1.20.1 BS21; ISO7/1; JIS B02033. Valve inspection and test: API 5984. Material according to ANSI/ASTM

5. Body material: A105; F11; F22; 304; 304L; 316; 316L; LF2...6. Mark: MSS- SP-25

结构和特征1.全径或縮径2.明杆支架式

3.自定心圧板圧套式

4.螺栓達接、全悍密封達接以及内圧自緊式達接閥盖5.整体式上密封座

Structure and feature1. Full bore or reduced bore2. Outside screwed and yoke3. Bushing type

4. Bolted, fully welded and pressure-in bonnet5. Integral backseat

应用规范

1.设计制造: API 602;

2.连接端尺寸: 1) 承插口尺寸按ANIS B16.11; JB/T1751

2)螺纹端尺寸按ANSI B1.20.1; JB/T73.63)对焊端尺寸按ANSI B16.25; JB/T122244)法兰端尺寸按ANSI B16.5; JB793.结构特征:螺栓连接阀盖( B.B )和明杆支架

(OS&Y)或焊接阀盖(W.B)和明杆支架( OS&Y )

4.阀门检查和试验: API598; GB/T 13927; JB/T 90925.主体材料: A105; LF2; F11; F22; F304;F316; F321; F51; Monel; 20合金等。

Applied norm

1. Design and manufacture: API 602;2. Ends connection

1) SW dimension: ANIS B16.11; JB/T1751

2) Screwed dimension: ANSI B1.20.1; JB/T73.63) BW dimension: ANSI B16.25; JB/T122244) Flange dimension: ANSI B16.5; JB79

3. Structural feature: Bolt bonnet (BB) and outside screwedａnd yoke (OS&Y), or welded bonnet (W.B)ａnd outside screwed
and yoke (OS&Y)

4. Valve inspection and test: API598; GB/T 13927; JB/T 90925. Body material: A105; LF2; F11; F22; F304;

F316; F321; F51; Monel; 20#alloy;

关键词：锻钢闸阀

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