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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.
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.
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 |
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 |
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 |
常用阀门材料允许使用压力明细介绍
常用阀门材料允许使用压力明细说明。常用阀门材质国家标准代号分类
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