H44J旋啟式襯膠止回閥性能
H44J旋啟式襯膠止回閥的閥瓣呈圓盤狀,繞閥座通道的轉(zhuǎn)軸作旋轉(zhuǎn)運動,因閥內(nèi)通道成流線形,流動阻力比升降式止回閥小,適用于低流速和流動不常變化的大口徑場合,但不宜用于脈動流,其密封性能不及升降式。旋啟式止回閥是一種依靠介質(zhì)本身的流動而自動啟、閉閥瓣用來阻止介質(zhì)逆向流動的自動閥門。應(yīng)用于溫度小于80度的弱酸性介質(zhì)管道。起防止介質(zhì)倒流作用。臥式安裝或立式安裝均可。
旋啟式襯膠止回閥結(jié)構(gòu)圖
襯膠止回閥 | 襯膠止回閥結(jié)構(gòu)圖 |
性能規(guī)范
STANDARD
設(shè)計與制造
GB/T12235、GB/T12236
結(jié)構(gòu)長度
GB/T12221、JB/T96
法蘭尺寸
JB/T78、JB/T79
壓力試驗
GB/T13927
標志
GB/T12220
0.6MPa主要連接尺寸
公稱通徑 | 標準值 | 參考值 | |||||||||
DN | NPS | L1 | D | D1 | D2 | f | b | Z-Φd | B | H | WT(Kg) |
PN0.6Pa | |||||||||||
15 | 1/2 | 130 | 80 | 55 | 40 | 2 | 12 | 4-Φ12 | 105 | 55 | 4 |
20 | 3/4 | 150 | 90 | 65 | 50 | 2 | 14 | 4-Φ12 | 115 | 58 | 5 |
25 | 1 | 160 | 100 | 75 | 60 | 2 | 14 | 4-Φ12 | 128 | 60 | 6 |
32 | 11/4 | 180 | 120 | 90 | 70 | 2 | 16 | 4-Φ14 | 145 | 75 | 7 |
40 | 11/2 | 200 | 130 | 100 | 80 | 3 | 16 | 4-Φ14 | 160 | 82 | 8 |
50 | 2 | 230 | 140 | 110 | 90 | 3 | 16 | 4-Φ14 | 178 | 95 | 10 |
65 | 21/2 | 290 | 160 | 130 | 110 | 3 | 16 | 4-Φ14 | 205 | 105 | 20 |
80 | 3 | 310 | 185 | 150 | 125 | 3 | 18 | 4-Φ18 | 230 | 120 | 25 |
100 | 4 | 350 | 205 | 170 | 145 | 3 | 18 | 4-Φ18 | 255 | 135 | 30 |
125 | 5 | 400 | 235 | 200 | 175 | 3 | 20 | 8-Φ18 | 305 | 158 | 50 |
150 | 6 | 480 | 260 | 225 | 200 | 3 | 20 | 8-Φ18 | 345 | 180 | 65 |
200 | 8 | 495 | 315 | 280 | 255 | 3 | 22 | 8-Φ18 | 415 | 215 | 137 |
250 | 10 | 600 | 370 | 335 | 310 | 3 | 24 | 12-Φ18 | 490 | 240 | 150 |
1.0MPa主要連接尺寸
公稱通徑 | 標準值 | 參考值 | |||||||||
DN(mm) | NPS | L1 | D | D1 | D2 | f | b | Z-Φd | B | H | WT(Kg) |
PN1.0MPa | |||||||||||
15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 4-Φ14 | 105 | 55 | 5 |
20 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | 4-Φ14 | 115 | 58 | 7 |
25 | 1 | 160 | 115 | 85 | 65 | 2 | 16 | 4-Φ14 | 128 | 60 | 9 |
32 | 11/4 | 180 | 135 | 100 | 78 | 2 | 18 | 4-Φ18 | 145 | 75 | 11 |
40 | 11/2 | 200 | 145 | 110 | 85 | 3 | 18 | 4-Φ18 | 160 | 82 | 13.5 |
50 | 2 | 230 | 160 | 125 | 100 | 3 | 20 | 4-Φ18 | 178 | 95 | 18 |
65 | 21/2 | 290 | 180 | 145 | 120 | 3 | 20 | 4-Φ18 | 205 | 105 | 22 |
80 | 3 | 310 | 195 | 160 | 135 | 3 | 22 | 4-Φ18 | 230 | 120 | 28 |
100 | 4 | 350 | 215 | 180 | 155 | 3 | 22 | 8-Φ18 | 255 | 135 | 34 |
125 | 5 | 400 | 245 | 210 | 185 | 3 | 24 | 8-Φ18 | 305 | 158 | 58 |
150 | 6 | 480 | 280 | 240 | 210 | 3 | 24 | 8-Φ23 | 345 | 180 | 72 |
200 | 8 | 495 | 335 | 295 | 265 | 3 | 26 | 8-Φ23 | 415 | 215 | 150 |
250 | 10 | 622 | 390 | 350 | 320 | 3 | 28 | 12-Φ23 | 490 | 240 | 165 |
PN1.6MPa | |||||||||||
15 | 1/2 | 130 | 95 | 65 | 45 | 2 | 14 | 110 | 55 | 6 | |
20 | 3/4 | 150 | 105 | 75 | 55 | 2 | 16 | 120 | 58 | 7.8 | |
25 | 1 | 160 | 115 | 85 | 65 | 2 | 16 | 135 | 60 | 10 | |
32 | 11/4 | 180 | 135 | 100 | 78 | 2 | 18 | 150 | 75 | 12.5 | |
40 | 11/2 | 200 | 145 | 110 | 85 | 3 | 18 | 165 | 82 | 14.5 | |
50 | 2 | 230 | 160 | 125 | 100 | 3 | 20 | 185 | 95 | 19.5 | |
65 | 21/2 | 290 | 180 | 145 | 120 | 3 | 20 | 210 | 105 | 25.5 | |
80 | 3 | 310 | 195 | 160 | 135 | 3 | 22 | 235 | 120 | 30 | |
100 | 4 | 350 | 215 | 180 | 155 | 3 | 24 | 260 | 135 | 36 | |
125 | 5 | 400 | 245 | 210 | 185 | 3 | 26 | 310 | 158 | 62 | |
150 | 6 | 480 | 280 | 240 | 210 | 3 | 28 | 350 | 180 | 78 | |
200 | 8 | 495 | 335 | 295 | 265 | 3 | 30 | 420 | 215 | 156 | |
250 | 10 | 600 | 405 | 355 | 320 | 3 | 32 | 505 | 240 | 172 |