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PRODUCT >> Valves >> Control
Product Name: JR-CV-03 300X Slowly Closed Check Valve
 
   SPECIFICATION/SPECIAL FEATURES

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300X slowly closed check valves are used on the pomp 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 raising safety 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-staring and pump-stopping water hammers from being formed. The gate can automatically carry out open-close 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.

DN
L
D
D1
H
H1
Weight kg
PN10
20
180
105
75
212
179
-
25
180
115
85
212
179
-
32
180
135
100
213
179
-
40
203
145
110
265
210
-
50
205
160
125
265
210
-
65
2530
180
145
310
215
-
80
245
195
160
350
245
-
100
295
215
180
460
305
-
125
325
245
210
520
365
-
150
375
280
240
570
415
-
200
410
335
295
695
445
-
250
470
390
350
780
460
-
300
510
440
400
905
500
-
350
585
500
460
1025
540
-
400
635
565
515
1080
600
-
450
675
615
565
1110
650
-
500
715
670
620
1155
705
-
600
850
780
725
1270
770
-

Hits£º832  Input time£º2012-6-15 ¡¾Print this page¡¿ 
Copyright @2012 XIAMEN JIREH INDUSTRIAL CO., LTD. Incorporated. All rights reserved.
 
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Tel: 0086-592-5616848 5616881 5616805 5616458 Fax:0086-592-5616958
E-mail: jireh@jirehvalve.com;     xmjireh@189.cn Site: http://www.jirehvalve.com