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Piston flow control valve

Products > Hydraulic control valve > Piston flow control valve

Piston flow control valve

Nominal diameter: DN400 ~ 2000mm
Nominal: PN0.25 ~ 1.6MPa
Suitable medium: water, hot water, etc.
Temperature: ≤100 ℃
Flange dimensions: GB4216.2 ~ 4216.5, GB / T17241.6
Pressure Test: GB / T13927
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Piston flow control valve product overview

Piston flow control valve is the technical staff of the Company in Germany, Japan, advanced experience, summed up the domestic design and manufacturing and practical experience, based on the characteristics of fluid mechanics and developed the pressure regulating valve. Has been in power plants, water diversion, water and other fields has been widely used. This series of improved flow control valve not only applies to clean water, natural rivers and lakes for water, light sewage has a good tolerance. From the design structure and material selection to solve the flow control valve over the years easy scaling, jamming, driving the device is too large problem.

 

Piston flow control valve performance specifications

Nominal pressure (MPa)

Nominal diameter (mm)

Test pressure (MPa)

Suitable media

proper temperature

case

seal

0.25

400 ~ 2000

0.375

0.275

Water, hot water and so on

≤100 ℃

0.6

200 ~ 1600

0.9

0.66

1.0

200 ~ 1600

1.5

1.1

1.6

200 ~ 1200

2.4

1.76


Piston flow control valve implementation of standards

Pressure test

Flange connection size

GB / T13927

GB4216.2 ~ 4216.5, GB / T17241.6


Piston flow control valve parts of the main material

material

Part Name

HT200, HT250, QT450-10

Body, end caps, connecting rod frame, flange pipe, crank

2Cr13, 1Cr18Ni9Ti

Stem, pin, piston

1Cr18Ni9Ti

Body seal

NBR

Piston seal

QT450-10

link

ZCuAI10Fe3, ZCuZn38Mn2Pb2

Bearing

NBR

filler


Piston flow control valve main connection size

PN

DN

L

L1

L2

H

H1

Do

A

B

0.25

400

800

715

308

980

335

250

345

390

450

900

749

347

1100

400

250

410

440

500

1000

792

383

1180

450

300

460

500

600

1200

847

458

1250

500

300

510

600

700

1400

920

528

1390

600

300

580

700

800

1600

980

599

1530

700

360

680

800

900

1800

1030

674

1650

800

360

790

900

1000

2000

1105

744

1800

900

400

860

1000

1200

2400

1375

852

2010

1000

400

950

1130

1400

2800

1380

1031

2230

1250

400

1250

1380

1600

3200

1490

1183

2480

1450

400

1500

1600

1800

3600

1780

1325

2720

1650

400

1750

1750

2000

4000

1910

1476

2930

1850

400

2000

1950

0.6

200

400

600

162

820

175

200

150

180

250

500

625

198

830

185

200

200

240

300

600

650

233

880

235

200

250

280

350

700

690

273

930

285

250

300

330

400

800

715

308

980

335

250

345

390

450

900

749

347

1100

400

300

410

440

500

1000

792

383

1180

450

300

460

500

600

1200

847

458

1250

500

300

510

600

700

1400

920

528

1390

600

360

580

700

800

1600

980

599

1530

700

360

680

800

900

1800

1030

674

1650

800

400

790

900

1000

2000

1105

744

1800

900

400

860

1000

1200

2400

1250

890

2010

1050

400

950

1200

1400

2800

1380

1031

2230

1250

400

1250

1400

1600

3200

1490

1183

2480

1450

400

1500

1600

1.0

200

400

600

162

820

175

200

150

200

250

500

625

198

830

185

200

200

250

300

600

650

233

880

235

250

250

300

350

700

690

273

930

285

250

300

350

400

800

715

308

980

335

300

345

400

450

900

749

347

1100

400

300

410

450

500

1000

792

383

1180

450

300

460

500

600

1200

847

458

1250

500

360

510

600

700

1400

920

528

1390

600

360

580

700

800

1600

980

599

1530

700

400

680

800

900

1800

1030

674

1650

800

400

790

900

1000

2000

1105

744

1800

900

400

860

1000

1200

2400

1250

890

2010

1050

400

950

1200

1400

2800

1380

1031

2230

1250

400

1250

1400

1600

3200

1490

1183

2480

1450

400

1500

1600

1.6

200

400

625

162

820

175

250

150

200

250

500

650

198

880

185

250

200

250

300

600

690

233

930

235

300

250

300

350

700

715

273

980

285

300

300

350

400

800

749

308

1100

335

300

345

400

450

900

792

347

1180

400

360

410

450

500

1000

847

383

1250

450

360

460

500

600

1200

920

458

1390

500

400

510

600

700

1400

980

528

1530

600

400

580

700

800

1600

1030

599

1650

700

400

680

800

900

1800

1105

674

1800

800

400

790

900

1000

2000

1250

744

2010

900

400

860

1000

1200

2400

1380

890

2210

1050

400

950

1200

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