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FJ41 type throttling shut-off vent valve
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FJ41 type throttling shut-off vent valve

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Number of views:
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服务热线010-8928 3399
Product introduction
Parameters

【Product use】

Throttling shut-off venting valve is widely used as a closed-circuit device on pipelines of petroleum, natural gas, gas, petroleum liquefied petroleum gas, refining, airports, chemical industry, oil and gas storage and transportation, etc.

【Product features】

1. This valve is a new type of throttling, shut-off, and venting product. The valve adopts cage-shaped fan-shaped throttling, which has the characteristics of multi-stage throttling effect, obvious throttling effect, reliable sealing, and easy operation and maintenance.

2. The valve adopts double sealing (hard and soft sealing) to make the sealing reliable, the cemented carbide cover can be more resistant to air erosion and wear resistance, and the double sealing can achieve zero leakage under the conditions of high-pressure gaseous media.Long service life of the valve

3. The sealing surface of the valve seat is sealed with a taper, which is conducive to the valve itself to clean the dirt attached to the sealing surface.

4. A balance hole is provided on the disc of the valve, and the piston type is sealed to ensure stable operation under full differential pressure conditions of opening/closing, light and flexible opening, and small opening and closing torque.

5. The throttling shut-off venting valve and the double-acting throttle valve have both throttling and shut-off (the seal is zero leakage). The throttling part is separated from the sealing surface to reduce the erosion of the seal by the air flow.

6. The double-acting throttling shut-off valve also has a multi-stage throttling function, and the throttling pressure difference is large, which can be applied to throttling and shut-off under high pressure.

7. The packing adopts a V-shaped packing structure with self-sealing ability, which does not need to be adjusted, and it is extremely light to open and close.The packing letter is provided with an auxiliary sealing grease injection structure to make the valve packing sealing performance reliable

8. This valve can be repaired online, and the pipeline can replace a series of vulnerable parts such as fillers under pressure.

9. This valve has a larger sewage discharge hole at the bottom of the valve, which should be opened if necessary to clean up the dirt in the valve.

【Performance parameters】

Model number

Working pressure(MPa

Applicable temperature(℃

Applicable media

Valve body material

FJ41-16

1.6

≤350

Water, steam, oil, etc.

Carbon steel

FJ41-25

2.5

FJ41-40

4.0

FJ41-64

6.4

FJ41-100

10.0

FJ41-160

16.0

Main shape and connection size

PN
(MPa)

DN
(mm)

Size(mm)

Weight(kg)

L

H

H1

D0

1.6

25

216

243

86

180

17

40

230

265

108

250

24

50

230

346

115

250

27

80

310

409

146

300

52

100

350

433

163

300

60

150

480

521

202

350

125

200

600

594

292

350

165

250

730

621

355

400

285

2.5

25

216

243

86

180

17

40

230

265

108

250

24

50

230

346

115

250

27

80

310

409

146

300

55

100

350

433

163

300

66

150

480

521

202

350

140

200

600

594

292

350

180

250

730

621

355

400

310

4.0

25

216

243

86

180

20

40

230

265

108

250

29

50

230

346

115

250

32

80

310

409

146

300

67

100

350

433

163

300

80

150

480

521

202

350

168

200

600

594

292

350

215

250

730

621

355

400

372

 

PN
(MPa)

DN
(mm)

Size(mm)

Weight(kg)

L

H

H1

D0

6.4

25

216

243

86

180

20

40

230

265

108

250

29

50

230

346

115

250

32

80

310

409

146

300

67

100

350

433

163

300

80

150

480

521

202

350

168

200

600

594

292

350

215

250

730

621

355

400

372

10.0

25

230

245

78

200

29

40

260

265

106

250

42

50

300

287

110

300

55

80

380

409

152

350

95

100

430

433

169

350

120

150

559

531

225

400

240

200

660

709

321

500

310

250

787

817

399

500

530

16.0

25

230

215

78

200

35

40

260

265

105

250

50

50

300

237

110

300

65

80

390

414

155

350

116

100

450

440

175

350

145

【Structure picture】

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Contact us

WeChat public account: Beijing Valve General Factory Co., Ltd.

switchboard: 010-8928 3399

fax:010-8928 3802

Sales hotline:010-8928 3800010-8928 3399转2288

mailbox:bvmc@bvmc.cc

Address: No. 3, Lvhai Road, Pangezhuang Town, Daxing District, Beijing

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