En
Requset A Quote 0
HomeIndustrial ValveCheck Valve
Swing Check Valve

Rotary check valve is a type of valve that opens and closes by rotating the valve disc around the shaft. It automatically opens depending on the flow of the medium and closes by gravity or reverse flow. It has a simple structure and low flow resistance, and is suitable for liquid and gas pipeline systems to prevent medium backflow. It is commonly used in fields such as petroleum, chemical, and water supply.

Get a quote
  • Wide applicability
  • Low maintenance requirements
  • Simple and durable structure
  • Automatic opening and closing design
Wide applicability
  • Wide applicability
    01
    Suitable for various industrial scenarios (such as water, steam, oil, etc.), protecting pipeline equipment from backflow damage, and adapting to different media and working conditions.
Low maintenance requirements
  • Low maintenance requirements
    01
    Simplify the structure to reduce failure rates, support quick installation and disassembly, and significantly reduce maintenance time and costs.
Simple and durable structure
  • Simple and durable structure
    01
    Composed of a small number of components such as valve body, valve disc, spring, and sealing ring, reducing potential failure points; The sealing ring tightly fits the valve seat, improving sealing and durability.
Automatic opening and closing design
  • Automatic opening and closing design
    01
    Relying on the fluid's own strength to achieve opening and closing, it automatically opens when flowing forward and quickly closes when flowing backward, effectively preventing the medium from flowing backwards.
Main Component Materials

Name

Material

valve body

casting

WCB

ZG1Cr5Mo

ZG1Cr5Mo

CF8

CF8M

CF3

CF3M

valve cover

ZG0Cr18Ni9Ti

ZG0Cr18Ni12Mo2Ti

ZG0Cr18Ni10

ZG0Cr18Ni12MoTi

valve disc

casting

WCB

ZG1Cr5Mo
ZG0Cr18Ni10

ZG12Cr5Mov
ZG0Cr18Ni10

CF8
ZG0Cr18Ni9Ti

ZG0Cr18Ni12Mo2Ti

CF3
ZG0Cr18Ni10

CF3M
ZG0Cr18Ni12MoTi

forging

A105

1Cr5Mo
0Cr18Ni10

12Cr5MoV
0Cr18Ni10

0Cr18Ni9Ti

0Cr18Ni12Mo2Ti

0Cr18Ni10

0Cr18Ni2Mo2Ti

pin

bar stock

2Cr13

25Cr2MoV

25Cr2MoV

304
0Cr18Ni90

316
0Cr17Ni12Mo2Ti

304L
0Cr17Ni11

316L
0Cr17Ni14Mo2

Sluice valve
seat
sealing surface

Surfacing iron-based alloy
Weld overlay drilling based alloy (Stellite alloy)

body material
Welding cobalt based alloy (Stellite alloy)

Forbidden film
washer
sealing ring

High strength composite flexible graphite
304/flexible graphite winding pad

Polytetrafluoroethylene
304/flexible graphite winding pad

Performance Specifications & Dimensions
  • Shell F
    Px1.5
  • Sealing Pressure
    Px1.1
  • Medium
    Water, steam, oil, acidic media
  • Temperature (℃)
    ≤425℃

Nominal

Diameter

DN(mm)

L

D

D1

D2

D6

b

f

f1

z-Φd

Reference valu

 (mm)

PN1.6MPa

D0

H

25

160

115

85

65

-

16

2

-

4-14

140

130

32

180

135

100

78

-

16

2

-

4-18

150

140

40

200

145

110

85

-

16

2

-

4-18

160

150

50

230

160

125

100

-

16

2

-

4-18

185

160/135

65

290

180

145

120

-

18

3

-

4-18

215

177/142

80

310

195

160

135

-

20

3

-

8-18

235

187/165

100

350

215

180

155

-

20

3

-

8-18

255

202/180

125

400

245

210

185

-

22

3

-

8-18

285

227/210

150

480

280

240

210

-

24

3

-

8-23

330

263/233

200

550

335

295

265

-

26

3

-

12-23

385

293/304

250

650

405

355

320

-

30

3

-

12-25

455

330/348

300

750

460

410

375

-

30

4

-

12-25

515

382/390

350

850

520

470

435

-

34

4

-

16-25

545

430

400

950

580

525

485

-

36

4

-

16-30

600

480/468

500

1150

705

650

608

-

44

4

-

20-34

730

560/525

600

1350

840

770

718

-

48

-

-

20-41

-

-

700

1450

910

840

788

-

50

-

-

24-41

-

-

800

1650

1020

950

898

-

52

-

-

24-41

-

-

Note: The pressure range is 1.6MPa~25.0MPa. The above data is for reference only. Please consult the company's sales department for details.

Valve Application
  • Oil & Gas Transportation

    Oil and gas transportation involves multiple modes such as pipelines and ships, and is the core link of the energy supply chain.

  • Chemical Raw Material Control

    The control of chemical raw materials covers the entire process of mining, storage, and production, ensuring safety and process stability.

  • High Temperature SteamPipeline in Power System

    High temperature steam pipelines are the core of energy transmission in power systems, supporting the efficient operation of thermal and nuclear power plants.

  • Other Industries

    Valves control fluids in multiple industries such as new energy and electronics, ensuring safe and efficient production.

Related Recommendations
Always Connect With Us.
24-hour online response, professional team to answer all your questions, Welcome to contact us to customize your exclusive solution.
Contact Us
Subscribe to us for more information

Wanyang Zhongchuang City, Bihu Town, Liandu District,Lishui City, Zhejiang Province

+86-13968955880

173444550@qq.com

Industrial Valve

Gate Valve

Globe Valve

Check Valve

Ball Valve

Butterfly Valve

About Us

Company Profile

History

Certificates

Equipment

One-stop Solution Hub

Technical Support

Quality Control

FAQ

After-sales Service

Quick Link

News

Contact Us

Copyright © Weiqiang Valve Group Co., Ltd
Support : SSCMWL
Chat Oline
    • WeChat
    Scan the QR Code with WeChat