安全回流閥_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.

冠高閥門

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: 回流閥
名    稱: 安全回流閥
型    号: AH42F
檢索關鍵字: 回流閥,安全回流閥

安全回流閥的介紹

安全回流閥适用于液化石油氣泵出口的液相出口管路上,用于超壓介質的安全回流,标準回流壓差大于0.5MPa時液化石油氣能自動回流入罐。可調整回流壓差為0.3~0.8MPa,或按用戶要求确定,當泵前壓力超過規定值時,閥門自動開啟,并起安全回流作用,保證設備和管路的安全運行。
安全回流閥主要設計參數

設計、制造

法蘭連接

結構長度

公稱通徑

公稱壓力

GB/T12243

JB/T79-94、GB9113-2000

GB12221-89

DN25~DN300mm

PN1.6、2.5、4.0MPa

安全回流閥主要性能參數

公稱壓力

殼體試驗

密封試驗

開啟壓力

适用介質

适宜溫度

1.6

2.4

0.9PK

用戶确定

液化氣、天然氣

等非腐蝕性介質

-40~+80℃

2.5

3.75

4.0

4.4

安全回流閥結構圖

安全回流閥主要零部件材料

NO. 零件名稱 AH42F-C A42F-C 材料
1 閥座 2Cr13
2 閥體 WCB
3 調節圈 2Cr13
4 反沖盤 2Cr13
5 閥瓣 2Cr13+PTFE
6 導向套 2Cr13
7 閥蓋 ZG230-450
8 彈簧 50CrVA
9 閥杆 2Cr13
10 調整螺杆 45
11 閥帽 ZG200-400

安全回流閥主要外形尺寸

型号 公稱通徑 do D K g g1 b f f1 Z-ød DN’ D1 K1 g2 b1 f’ Z1-ød1 L L1 ≈H
AH42F-16C
A42F-16C
20 15 105 75 / 55 16 2 / 4-14 25 115 85 65 16 2 4-14 110 95 378
25 16 115 85 / 65 16 2 / 4-14 32 140 100 78 18 2 4-18 110 95 378
32 20 140 100 / 78 18 2 / 4-18 40 150 110 85 18 3 4-18 115 100 378
40 25 150 110 / 85 18 3 / 4-18 50 165 125 100 20 3 4-18 120 110 406
50 32 165 125 / 100 20 3 / 4-18 65 185 145 120 20 3 4-18 135 120 450
65 40 185 145 / 120 20 3 / 4-18 80 200 160 135 20 3 8-18 160 140 520
80 50 200 160 / 135 20 3 / 8-18 100 220 180 155 22 3 8-18 170 135 525
100 65 220 180 / 155 22 3 / 8-18 125 250 210 185 22 3 8-18 195 175 690
125 80 250 210 / 185 22 3 / 8-18 150 285 240 210 24 3 8-23 210 190 780
150 100 285 240 / 210 24 3 / 8-23 175 310 270 240 26 3 8-23 255 230 838
200 125 340 295 / 265 26 3 / 12-23 250 405 355 320 30 3 12-26 300 260 992
250 150 405 355 / 320 30 3 / 12-26 300 460 410 375 30 4 12-26 350 320 1266
300 220 460 410 / 375 30 4 / 12-26 400 580 525 485 36 4 16-30 370 350 1283
350 250 520 470 / 435 34 4 / 16-26 500 715 650 608 44 4 20-34 500 450 1520
400 280 580 525 / 485 36 4 / 16-30 500 715 650 608 44 4 20-34 500 450 1530
AH42F-25
A42F-25
20 15 105 75 / 55 16 2 / 4-14 25 115 85 65 16 2 4-14 110 95 378
25 16 115 85 / 65 16 2 / 4-14 32 140 100 78 18 2 4-18 110 95 378
32 20 140 100 / 78 18 2 / 4-18 40 150 110 85 18 3 4-18 115 100 378
40 25 150 110 / 85 18 3 / 4-18 50 165 125 100 20 3 4-18 120 110 406
50 32 165 125 / 100 20 3 / 4-18 65 185 145 120 20 3 4-18 135 120 450
65 40 185 145 / 120 22 3 / 8-18 80 200 160 135 20 3 8-18 160 140 520
80 50 200 160 / 135 22 3 / 8-18 100 220 180 155 22 3 8-18 170 135 525
100 65 230 190 / 160 24 3 / 8-23 125 250 210 185 22 3 8-18 195 175 690
125 80 270 220 / 188 28 3 / 8-26 150 285 240 210 24 3 8-23 210 190 780
150 100 300 250 / 218 30 3 / 8-26 175 310 270 240 26 3 8-23 255 230 838
200 125 360 310 / 278 34 3 / 12-26 250 405 355 320 30 3 12-26 300 260 992
250 150 425 370 / 332 36 3 / 12-30 300 460 410 375 30 4 12-26 350 320 1266
300 220 485 430 / 390 40 4 / 16-30 400 580 525 485 36 4 16-30 370 350 1283
AH42F-40
A42F-40
20 15 105 25 51 55 16 2 4 4-14 25 115 85 65 16 2 4-14 110 95 378
25 16 115 85 58 65 16 2 4 4-14 32 140 100 78 18 2 4-18 110 95 378
32 20 140 100 66 78 18 2 4 4-18 40 150 110 85 18 3 4-18 115 100 378
40 25 150 110 76 85 18 3 4 4-18 50 165 125 100 20 3 4-18 120 110 406
50 32 165 125 88 100 20 3 4 4-18 65 185 145 120 20 3 4-18 135 120 450
65 40 185 145 110 120 22 3 4 8-18 80 200 160 135 20 3 8-18 160 140 520
80 50 200 160 121 135 22 3 4 8-18 100 220 180 155 22 3 8-18 170 135 525
100 65 235 190 150 160 24 3 4.5 8-23 125 250 210 185 22 3 8-18 195 175 690
125 80 270 220 176 188 28 3 4.5 8-26 150 285 240 210 24 3 8-23 210 190 780
150 100 300 250 204 218 30 3 4.5 8-26 175 310 270 240 26 3 8-23 255 230 838
200 125 375 320 260 282 38 3 4.5 12-30 250 405 355 320 30 3 12-26 300 260 992
250 150 450 385 313 345 42 3 4.5 12-34 300 460 410 375 30 4 12-26 350 320 1266

安全回流閥安裝說明

①安全回流閥都應水平安裝。
②安全回流閥出口處應無阻力,避免産生受壓現象。
③安全回流閥在安裝前應專門測試,并檢查其官密封性。
④對使用中的安全回流閥應作定期檢查。

 

 

訂貨須知:
一、①安全回流閥産品名稱與型号②安全回流閥口徑③安全回流閥的起跳壓力④安全回流閥的介質和溫度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安全回流閥型号,請按安全回流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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