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DRVZ (H42X) Silent Check Valve


DRVZ (H42X) Silent Check Valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

Fast delivery: advanced production lines, sufficient stocking, shortening the delivery time!
Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

product manual Pledge Order process

 

  Product name : Silent check valve Product model : H42X DRVZ, H42X
   Driving method : Manual Connection form : Flange
   Structure form : Full open    Sealing material : rubber
   Pressure range : ~2.5 MPa 1.0 to 2.5 MPa    Nominal diameter : DN50-DN350
   Common materials : grey cast iron    Technical consultation : 021-31007323

是国内著名〖 DRVZ(H42X) 静音式止回阀 〗制造商,也是国内大型【 止回阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖DRVZ(H42X) 静音式止回阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of [ DRVZ (H42X) Silent Check Valves ] and one of the large domestic [ Check Valve ] manufacturers. Since its establishment, the company has always focused on customer needs and continued Innovation, to provide our agents and corporate customers with the "DRVZ (H42X) silent check valve" solution, reliable quality and affordable, so it sells all over the country, welcome new and old customers to call us, email us, we will provide you with the most Excellent service.

I. Introduction of DRVZ (H42X) Silent Check Valve


       主要由阀体、阀座、导流体、阎瓣、轴承及弹簧等主要零件组成,内部流道采用流线型设计压力损失极小。 DRVZ (H42X) Silent check valve is mainly composed of main parts such as valve body, valve seat, fluid guide, yoke , bearing and spring. The internal flow channel adopts streamline design to minimize pressure loss. The valve flap has a short opening and closing stroke. It can be quickly closed when the pump is stopped to prevent a huge water hammer sound. It has the feature of silent closing. 主要用于给排水、消防、暖通系统可安装于水泵出口处以防止倒流及水锤对泵的损害。 Internally threaded cast iron check valve is mainly used for water supply and drainage, fire protection, HVAC system can be installed at the outlet of the pump to prevent backflow and water hammer to damage the pump.

 

DRVZ (H42X) Silent Check Valve Structure
 

Second, the main technical parameters of DRVZ (H42X) silent check valve
 

model

DRVZ-10

DRVZ-16

DRVZ-25Q

Nominal pressure

PN1.0MPa

PN1.6MPa

PN2.5MPa

Nominal diameter

DN50-350mm

Working pressure

1.0 MPa

1.6 MPa

2.5 MPa

Seal test pressure

1.0 MPa

1.6 MPa

2.5 MPa

Shell test pressure

1.5 MPa

2.4 MPa

3.75 MPa

main
Components
material

Valve body and fluid

grey cast iron

Ductile iron

Seat, bearing, disc, shaft

Aluminum bronze or stainless steel

spring

stainless steel


Third, the main dimensions of DRVZ (H42X) silent check valve
 

Nominal diameter

L

50

120

65

150

80

180

100

229

125

254

150

267

200

292

250

340

300

-

350

-

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