China Jingjia Valve (Group)  Co., Ltd.
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Product show You are here :Home - Product show - -SJKI lntermal-slot type slowly-closed daming check valve
SJKI
SJKI lntermal-slot type slowly-closed daming check valve
Detailed information

一、 STRUCTURE AND PURPOSS

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 electric valve,check valve and water hammer remover,capable of effectively raisingsafety and reliability of the water supply system,integrating the technical principle of slow-open,speed valve,slow-close renoving 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 to 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.

二、 FEATURE


1.Good effect of water hammer removal.Integrating the technical principles of water hammer removal by means of slow-open,quick-close and slow-open so as to prevent the water hammer at both pump start and stop from being formed.
2.Easy operation.The valve will automatically open or close per the operation procedures of the pump once the On-Off button of the pump’s motor is operated.
3.Good effect of energy saving.The valve body is so designed as full-path streamline straight-flow type,resuling in a small pressure loss,a big flow,a small volume and a light weight.

三、 SCHEMATIC DIAGRAM OF INSTALLATION

公称通径 DN(mm) D L A B C F H
50 57 185 14.5 9.5 2.2 250 190
60
65 76 200 14.5 9.5 2.2 300 205
80 89 225 14.5 9.5 2.2 315 225
100 108 305 16 9.5 2.2 340 275
114
150 159 350 16 9.5 2.2 400 335
165
168
200 219 445 19 13 2.5 470 415
250 273 540 19 13 2.5 520 485
300 325 600 19 13 3.3 620 555
350 377 650 25 13 3.3 700 625
400 426 700 25 13 5.5 780 670
450 480 750 25 13 5.5 850 720
500 530 800 25 13 5.5 930 775
600 630 900 25 13 5.5 1100 900


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Add:Dong’ou Industrial Zone, Wenzhou, Zhejiang, China
Tel:+86-577-67987115  Fax:+86-577-67987118  Email:sales@cn-jingjia.com
Release all :China Jingjia Valve (Group) Co., Ltd. Technical support :Global pump and valve trade [Manager]
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