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CVKRSilent check valve

  • Profile:

    CVKRThe large diameter silent check valve adopts the contour design conforming to the hydraulics to obtain a better streamlined water channel with a guide fluid inside, which can ensure the minimum pressure loss. The silent eye check valve is installed at the water outlet of the water pump, which can be quickly closed before the water flow reverses, so as to avoid water hammer, water hammer sound and flat breaking impact, so as to achieve the purpose of silence, prevent backflow and protect equipment. Widely used in water supply and drainage, fire protection, HVAC, industrial systems.

Product overview

CVKRThe large diameter silent check valve adopts the contour design conforming to the hydraulics to obtain a better streamlined water channel with a guide fluid inside, which can ensure the minimum pressure loss. The silent eye check valve is installed at the water outlet of the water pump, which can be quickly closed before the water flow reverses, so as to avoid water hammer, water hammer sound and flat breaking impact, so as to achieve the purpose of silence, prevent backflow and protect equipment. Widely used in water supply and drainage, fire protection, HVAC, industrial systems.zhihuif15-1.jpg

technical parameter

 

Nominal diameter

DN300-600mm

Nominal pressure

1.0/1.6/2.5MPa

working temperature

0℃-80℃

Sealing test

1.1Multiple nominal pressure

Shell test

1.5Multiple nominal pressure

Material description

Material description

Serial number Part name texture of material
1 valve body GG25
2 Valve disc QA19-4
3 Bearing QA19-4
4 Spring SYS316
5 Diversion body GG25
6 valve seat QA19-4
Dimensions

 

model Nominal diameter D1 D2 D3 N-ΦD L
1.0MPa 1.6 MPa 1.0MPa 1.6 MPa 1.0MPa 1.6 MPa 1.0MPa 1.6 MPa
CVKR-0300 DN300 370 400 410 460 12-13 12-28 181
CVKR-0350 DN350 429 460 470 520 16-23 16-28 184
CVKR-0400 DN400 480 515 525 580 16-28 16-31 191
CVKR-0450 DN450 530 565 585 640 20-28 20-31 203
CVKR-0500 DN500 582 620 650 715 20-28 20-34 219
CVKR-0600 DN600 682 725 770 810 840 20-31 20-37 222
CVKR-0700 DN700 794 840 840 895 910 24-31 24-37 280
CVKR-0800 DN800 901 950 950 1015 1025 24-34 24-40 356
CVKR-0900 DN900 1001 1050 1050 1125 1125 28-40 28-40 368
CVKR-1000 DN1000 1112 1160 1170 1230 1255 28-43 28-43 432
CVKR-1200 DN1200   1380 1390 1455 1485 32-49 32-49 524

 

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