截止止回多用閥_168体育网页版

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168体育网页版

網站地圖 | XML地圖 | 英文版冠高閥門.中國 | Shanghai GuanGao Valve Manufacturing Co., Ltd.
銷售電話:021-51078058
圖文傳真:021-36369121
點擊這裡給我發消息
所屬系列: 止回閥
名    稱: 截止止回多用閥
型    号: H48H,H48W
檢索關鍵字: 截止止回多用閥

截止止回多用閥

截止止回多用閥産品介紹
截止止回多用閥(截止止回閥)是兼有截止閥和止回閥功能的多用閥門。它的結構形式與截止閥相似,但閥杆與閥瓣不是固定聯接。當閥杆下降将閥瓣緊壓在閥座上時,起截止閥作用;閥杆上升後,則起止回閥作用。在同時需要安裝截止閥(或閘閥)和止回閥的管道上(如水泵的出口端),或在安裝位置受到限制的場所(如船舶),使用截止止回閥可節約安裝費用和空間位置。

截止止回多用閥工作原理
截止止回多用閥産品按GB12235标準設計制造,結構合理、密封可靠、性能優良。本閥具有截止閥和止回閥雙重功能,屬于一種多用閥,當閥門開啟時閥瓣沿着提升起的閥杆做升降運動,可作為止回閥用,當閥門關閉時閥杆壓緊閥瓣起到截止閥的作用。閥瓣、閥座密封面堆焊鐵基合金或司太立钴基硬質合金,具有耐磨、耐高溫、耐腐蝕、抗擦傷性能好、使用壽命長的特點。産品可适用于石油、化工、制藥、電力行業等各種工況的水平安裝管路上。

截止止回多用閥執行标準
設計與制造
結構長度
壓力-溫度等級
連接法蘭
試驗與檢驗
GB12235
GB12221
GB9131
JB/T74
HG20604
JB/T79
GB9113
HG20592
JB/T9092
GB13927

截止止回多用閥外形尺寸圖


公稱通徑
1.0-4.0MPa
6.4-10.0MPa
L
H
L
H
DN25
160
275
230
80
DN32
180
280
260
140
DN40
200
330
260
160
DN50
230
350
300
170
DN65
290
400
340
190
DN80
310
355
380
210
DN100
350
415
430
230
DN125
400
460
500
255
DN150
480
510
550
290
DN200
600
710
650
350
DN250
730
830
775
415

截止止回多用閥産品特點
1、閥瓣在閥體内上、下移動,當介質倒流時,靠介質壓力自動把閥門關閉。有的閥門裝有彈簧,輔助閥瓣關閉。

2、閥座密封面用钴基硬質合金等離子噴焊而成。密封面的硬度高、耐磨擦、抗擦傷、使用壽命長。

3、泵停止連轉時,彈簧力先合上閥瓣,因而防止水錘。

4、彈簧是用不鏽鋼制作的,因具有很強的耐蝕性。

 

 

訂貨須知:
一、①截止止回多用閥産品名稱與型号②截止止回多用閥口徑③截止止回多用閥是否帶附件以便我們的為您正确選型。
二、若已經由設計單位選定冠高閥門截止止回多用閥型号,請按截止止回多用閥型号直接向我司銷售部訂購。
三、當使用的場合非常重要或環境比較複雜時,請您盡量提供設計圖紙和詳細參數,由我們的冠高閥門專家為您審核把關。

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