Knowledge

What is Energy Saving Silence Check Valve

Dec 29, 2025 Leave a message

The Energy Saving Silence Check Valve is a valve installed on the outlet pipe of a water pump, specifically designed to eliminate water hammer. When the pump stops, the check valve uses a spring-assisted valve disc to close quickly and prematurely when the forward flow is close to zero, effectively preventing water hammer and thus eliminating noise. The silent check valve also features small size, light weight, low fluid resistance, short structural length, fatigue resistance, and long service life. It is suitable for water supply and drainage, fire protection, and HVAC systems and can be installed at the pump outlet to prevent backflow and damage to the pump body.

 

Product Applications:

1. The Energy Saving Silence Check Valve is suitable for water supply and drainage pipelines. The valve disc uses a central shaft guide at both inlet ends, allowing for flexible opening and closing. It can be installed horizontally or vertically.

2. The valve disc is spring-loaded, and its rapid closure effectively eliminates water hammer, providing good sealing performance and noiseless closure.

3. It features small size, light weight, low fluid resistance, fatigue resistance, and long service life.

 

Structural Features:

1. The valve body features a streamlined design, with flow rate designed for 99.9%, reducing sharp bends, corners, and protrusions to minimize fluid resistance.

2. The valve disc is tapered at both ends, significantly reducing fluid resistance and noise caused by turbulence.

3. The valve disc has a short closing stroke, only 1/4 of the nominal diameter, reducing closing time and water hammer.

4. The valve uses a spring to accelerate the closing speed and reduce water hammer.

5. The valve disc has a hollow, thin-shell structure, reducing inertia and allowing for rapid closure while minimizing impact noise.

6. This product can be installed vertically, horizontally, tilted, or at any angle.

7. This product has a compact structure, fewer parts, smaller size, lighter weight, and an attractive appearance.

8. Both inner and outer surfaces are coated with an environmentally friendly coating to ensure corrosion resistance and safety.

 

Main Technical Parameters:

1. Nominal Pressure: 1.0~1.6MPa.

2. Nominal Diameter: 40~600mm.

3. Applicable Media: Water and weakly corrosive fluids.

4. Applicable Temperature: 0℃~+80℃.

5. Flange Standard: GB/T 17241.6 GB/T 9113.

6. Test Standard: GB/T 13927 AP 1598.

 

Energy Saving Silence Check Valve Drawning

Energy Saving Silence Check Valve Drawning

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Energy Saving Silence Check Valve Size

Nominal pressure

PN(mm)

Nominal diameter

DN(mm)

Size(mm)

L

D

K

b

z-φd

1.0

40

112

145

110

18

4-18

50

120

160

125

20

4-18

65

130

180

145

20

4-18

80

150

195

160

22

8-18

100

165

215

180

24

8-18

125

190

245

210

26

8-18

150

210

280

240

26

8-22

200

255

335

295

28

8-22

250

310

390

350

28

12-22

300

320

440

400

28

12-22

350

380

500

460

30

16-22

400

405

565

515

32

16-26

450

430

615

565

32

20-26

500

450

670

620

34

20-26

600

510

780

725

36

20-30

1.6

40

112

145

110

18

4-18

50

120

160

125

20

4-18

65

130

180

145

20

4-18

80

150

195

160

22

8-18

100

165

215

180

24

8-18

125

190

245

210

26

8-18

150

210

280

240

26

8-22

200

255

335

295

30

12-22

250

310

405

355

32

12-26

300

320

460

410

32

12-26

350

380

520

470

36

16-26

400

405

580

525

38

16-30

450

430

640

585

40

20-30

500

450

715

650

42

20-33

600

510

840

770

48

20-36

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