產品介紹
一、結構及用途 Structure and purpose
該閥主要用于給水系統的水泵出口處，防止介質倒流，水錘及水擊現象，該閥兼具電動閥、逆止閥和水錘消除器三種功能，可有效地提高供水系統的安全可靠性，并將緩開、速閉、緩閉消除水錘的技術原理一體化，防止開泵水錘和停泵水錘的產生，只需操作水泵電動啟閉，閥門即可按照水泵操作規程自動實現啟閉，該閥流量大，壓力損失小，密封性能可靠，安裝維護、調試檢查方便、使用壽命長。
Used on the pump outlet of a water supply system to prevent medium＇s back-flow．water hammer and water shock．combining three functions as an elec-tric valve,check valve and water hammer remove r,capable of effectively raisingsafety and reliability of the water supply system,integrating the technical principle of slow-open,speed valve,slow-close removing water hammer and preventing both pump-starting and pump-stopping water hammers from being formed The gate can automatically carry out open-close upon the operation rules of the water pump just by operating the pump t0 open or close electrically This valve features a big flow and a small pressure loss．reliable sealing performance,easy installation,debugging and maintenance and a long duration
四、主要外形及連接尺寸 Schematic diagram of installation
公稱通徑 DN(mm) 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 L 180 180 180 203 203 216 241 292 330 356 495 622 698 787 914 978 978 1295 1448 1956 PN1O D 105 115 135 145 160 180 195 215 245 280 335 390 440 500 565 615 670 780 895 1010 D1 75 85 100 110 125 145 160 180 210 240 295 350 400 460 515 565 620 725 840 950 PN16 D 105 115 135 145 160 180 195 215 245 280 335 405 460 520 580 640 705 840 910 1020 D1 75 85 100 110 125 145 160 180 210 240 295 355 410 470 525 585 650 770 840 950 PN25 D 105 110 185 145 160 180 195 230 270 300 360 425 485 550 610 660 730 840 955 1070 D1 75 85 100 110 125 145 160 190 220 250 310 370 430 490 550 600 660 770 875 990 H 172 172 172 265 265 310 350 460 520 570 695 780 905 1025 1080 1030 1135 1270 1460 1640 H1 106 106 106 210 210 215 245 305 365 415 510 560 658 696 735 610 665 725 865 925 注：安裝示意圖中彈性座封閘閥或蝶閥任選，建議≥ DN350選蝶閥。
Note：Either elastic seat ring sealed gate valve or butterfly valve can be selected in the schematic diagram of installation.Recomended to select the butterfly valve in case of≥DN350
