Slow-closing micro-resistance check valve

Products > Water system valve > Slow-closing micro-resistance check valve

Slow-closing micro-resistance check valve

Model: HH44X
Nominal pressure: PN1.0 ~ 2.5MPa
Nominal diameter: DN40 ~ 800mm
Suitable medium: water, weak corrosive liquids
Suitable temperature: 0 ~ 80 ℃ (if necessary, up to 200 ℃)
Flange Standard: GB / T 17241.6 GB / T 9113
Test standard: GB / T 13927 AP1598
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HH44X micro-resistance slow closing check valve product overview

The micro-resistance slow closing check valve is used for water supply and drainage pipe, which is installed at the outlet of the water pump to prevent the countercurrent of the medium and eliminate the destructive water hammer, and effectively reduce the water hammer pressure of the valve to close to ensure the safe operation of the pipe network. The utility model has the advantages of light valve flap, large opening degree, remarkable energy saving effect, small fluid resistance, novel design of a water hammer eliminating mechanism, stable and reliable sealing performance, wear resistance, long service life, stable operation, no vibration and no noise.

 

HH44X micro-slow slow closing check valve main components and materials 

Part Name

Body, bonnet

Disc

Valve shaft

material

Gray cast iron, cast steel

Steel plate, rubber assembly

stainless steel

 

HH44X micro-resistance slow closing check valve main shape connection size                                       

DN (mm)

40

50

65

80

100

125

150

200

250

300

350

400

450

500

600

700

800

H

200

230

290

310

350

400

480

500

600

700

800

900

1000

1100

1300

1400

1500

L

300

300

320

354

350

380

500

580

670

730

820

920

950

1100

1200

1550

1700

B

220

270

290

300

320

340

410

450

550

580

630

700

800

900

990

1120

1300


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