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HH49X slow closing check valve

HH49X slow closing check valveHH49X slow closing check valve
HH49X slow closing check valve

HH49X slow closing check valve Product introduction

 HH49X slow closing check valve is mainly used in water purification, source water, sewage, seawater and other media supply and drainage pipelines, HH49X slow closing check valve is installed in the pump outlet, to cut off the backflow of the medium to eliminate the atomic energy damage of the water hammer, to protect the safe operation of the pipeline, water pump.

HH49X slow closing check valve main features

1. body shape is small, light weight, structure length is only about 1/3 of swing check valve.

2. The slow-closing system has excellent performance and is not affected by the medium in the pipeline. The valve disc closes first and then slowly closes to prevent the ring-breaking water hammer.

3. rubber soft seal, good sealing performance, wear resistance, long service life.

4. rubber buffer, opening and closing smoothly, no vibration, no noise.

5. less resistance than the old check valve, which has obvious energy saving effect.

HH49X slow closing check valve dimension

DN
Dimension(mm)
mm
in
D
D1
D2
H
H1
L
Z-фd
Bolt
150
6
280
240
210
228
172
210
8-ф23
8-M20
200
8
335
295
265
270
210
230
8-ф23
8-M20
250
10
390
350
320
305
240
250
12-ф23
12-M20
300
12
440
400
368
367
264
270
12-ф23
12-M20
350
14
500
460
428
422
294
290
16-ф23
16-M20
400
16
565
515
482
462
324
310
16-ф23
16-M22
450
18
615
565
532
497
351
330
20-ф25
20-M22
500
20
670
620
585
532
379
350
20-ф25
20-M22
600
24
780
725
685
607
434
390
20-ф30
20-M27
700
28
895
840
800
702
491
430
24-ф30
24-M27
800
32
1010
950
905
792
549
470
24-ф34
24-M30

 

HH49X slow closing check valve Related Products

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English website :www.hxvalves.com       
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