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產(chǎn)品簡介

上海融駿閥門鍛鋼閘閥有三種體蓋連接設(shè)計(jì)形式

詳細(xì)介紹

上海融駿閥門鍛鋼閘閥有三種體蓋連接設(shè)計(jì)形式。種是體蓋螺栓連接，按這種連接形式設(shè)計(jì)的閥門，其閥體與閥蓋用螺栓連接，纏繞式墊片密封，優(yōu)點(diǎn)是便于維修。第二種體蓋焊接連接，按這種連接形式設(shè)計(jì)的閥門，其閥體與閥蓋全焊密封，優(yōu)點(diǎn)是無外泄漏。第三種是壓力自緊式閥蓋，按這種連接形式設(shè)計(jì)的閥門，其閥體與閥蓋用螺紋連接，內(nèi)壓自密封環(huán)密封，優(yōu)點(diǎn)是內(nèi)部壓力越大，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.

設(shè)計(jì)結(jié)構(gòu)和特征

1.設(shè)計(jì)制造成:按ANSIB16.34; API 602; BS53522.連接端尺寸:

1)承插孔尺寸按ANSI B16.11; JISB2306

2)螺紋端尺寸按ANSI B1.20.1 BS21; ISO7/1; JIS B02033.閥門檢驗(yàn)和試驗(yàn):按API 5984.材料:按ANSI/ASTM的規(guī)定

5.主體材料: A105; F11; F22; 304; 304L; 316; 316L; LF2...6.標(biāo)記按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

結(jié)構(gòu)和特征1.全徑或縮徑2.明桿支架式

3.自定心圧板圧套式

4.螺栓達(dá)接、全悍密封達(dá)接以及內(nèi)圧自緊式達(dá)接閥蓋5.整體式上密封座

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

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

應(yīng)用規(guī)范

1.設(shè)計(jì)制造: API 602;

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

2)螺紋端尺寸按ANSI B1.20.1; JB/T73.63)對焊端尺寸按ANSI B16.25; JB/T122244)法蘭端尺寸按ANSI B16.5; JB793.結(jié)構(gòu)特征:螺栓連接閥蓋( B.B )和明桿支架

(OS&Y)或焊接閥蓋(W.B)和明桿支架( OS&Y )

4.閥門檢查和試驗(yàn): API598; GB/T 13927; JB/T 90925.主體材料: 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;

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