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Current position:Home >> Products >> Other valve >> Stainless steel flange plunger valve

Stainless steel flange plunger valve

Model: U41SM
Nominal diameter: DN15 ~ 400mm
Nominal pressure: PN1.6 ~ 6.4MPa
Temperature: ≤300 ℃
Main material: steel, stainless steel, gray cast iron
Operation: manual, bevel gear, an electric
design criteria: GB12233 -89,12235-89
Structure length: GB12221-89
Connection standards: GB79-59, GB113.1 ~ 9113.26
Pressure test: ZBJ160006, GB4981


First, U41SM stainless steel flange plunger valve structure and features
 1, the plunger valve is composed of the valve body, valve cover, stem, plunger, hole frame, dense ring, hand wheel and other components (pictured). When the hand wheel is rotated, the plunger is driven by the valve rod to reciprocate up and down in the middle of the hole frame to complete the function of opening and closing the valve. 
 2, the valve plunger and the seal ring between the interference fit, by adjusting the gland flange bolts, the sealing ring is compressed by the product of the lateral force and the valve body bore and plunger outer seal to ensure The sealing of the valve to eliminate the internal leakage, while the valve opening moment is small, to achieve the rapid opening and closing of the valve. 
 3, the seal ring with resilient, wear-resistant non-toxic new sealing materials, with long-term high temperature, high pressure without losing flexibility, so the sealing performance is reliable, durable.


 

Second, the U41SM stainless steel flange plunger valve installation and maintenance
 1, the plunger valve factory by ZBJ16006 are tested, acceptance, use only the appearance and cavity clean, do not have to disassemble and replace. 
 2, the plunger valve can be installed in any position, see the valve body flow direction of an arrow shown. 
 3, after a period of use of sealing ring wear and leakage if the valve must be closed first, then the flange bolts evenly tightened even without leakage can be replaced at the same time should be replaced to prevent the plunger and the new seal Ring cracks and bumps. 
 4, in a short time, alternating hot and cold pipes in large temperature, the plunger valve can not be used.


Third, U41SM stainless steel flange plunger valve ring material

On the ring material

Lower ring material

Tetrafluoroethylene plus flexible graphite (PTFE)

Tetrafluoroethylene plus flexible graphite (PTFE)


 Fourth, U41SM stainless steel flange plunger valve parameters and performance indicators

model

Nominal pressure (Mpa)

Test pressure (Mpa)

Operating temperature

Suitable media

strength

seal

U41S-16

1.6

2.4

1.76

-20 ~ 250 ° C

≤300 ° C

Water, steam, oil, ammonia, copper acetate ammonia solution and acidic medium

U41S-25

2.5

3.75

2.75

U41S-40

4.0

6.0

4.4


Fifth, U41SM stainless steel flange plunger valve parts of the main material

Serial number

Part Name

grey cast iron

Cast steel

stainless steel

Z

C

P

1

Body valve cover

HT200

WCB

ZG1Cr18Ni9Ti

2

Plunger

ZG1Cr18Ni9Ti

ZG1Cr18Ni9Ti

ZG1Cr18Ni9Ti

3

Valve stem

45

45

1Cr18Ni9Ti

4

Seal ring

PTFE + graphite + high elastic plastic (8202 type)







 
 
 
 Sixth, U41SM stainless steel flange plunger valve main dimensions

model

Nominal diameter DN

L

D

D1

D2

f

b

z-фd

Do

H

H1

W (kg)

U41S-16-16C

15

130

95

65

45

2

14

4-14

80

116

144

2.8

20

150

105

75

55

16

142

176

5

25

160

115

85

65

100

163

205

6.5

32

180

135

100

78

18

4-18

120

182

227

8.5

40

200

145

110

85

3

180

210

260

12

50

230

160

125

100

20

230

286

17

65

290

180

145

120

200

250

310

22

80

310

195

160

135

22

8-18

240

269

340

30

100

350

215

180

155

24

278

356

41

125

400

245

210

185

26

375

332

440

70

150

480

280

245

210

28

8-23

434

562

90

200

600

335

295

265

30

12-23

460

498

660

120

250

730

405

335

320

32

12-25

540

720

220

300

850

460

410

375

4

34

650

850

340

U41S-25

15

130

95

65

45

2

16

4-14

80

116

144

3

20

150

105

75

55

142

476

5.2

25

160

115

85

65

100

163

205

6.8

32

180

135

100

78

18

4-18

120

182

227

8.9

40

200

145

110

85

3

180

210

260

12

50

230

160

125

100

20

230

286

18

65

290

180

145

120

22

8-18

200

250

310

23

80

310

195

160

135

240

269

340

31

100

350

230

190

160

24

8-23

278

356

44

125

400

270

220

188

28

8-25

375

332

440

78

150

480

300

250

218

30

434

562

100

200

600

360

310

278

34

12-26

460

498

660

134

250

730

425

370

332

36

12-30

540

720

220

300

850

485

430

390

4

40

16-30

650

850

340

U41S-40

15

130

95

65

45

2

16

4-14

80

116

144

3

20

150

105

75

55

142

176

5.2

25

160

115

85

65

100

163

205

6.8

32

180

135

100

78

18

4-18

120

182

227

8.9

40

200

145

110

85

3

180

210

260

12

50

230

160

125

100

20

230

286

18

65

290

180

145

120

22

8-20

250

310

23


80

310

195

160

135

8-23

269

340

31


100

350

230

190

160

24

278

356

44


125

400

270

220

188

28

8-25

375

332

440

78

150

480

300

250

218

30

434

562

100

200

600

375

320

282

38

12-30

460

498

660

134

250

730

445

385

345

42

12-34

540


220

300

850

510

450

408

4

46

16-34

650


340

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Hotline:+86-21-69755076   59755666   69755027   69755026   57339828
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Copyright © Shen Gao Valve Group Co., Ltd.        cpw887.cn
HuICP No. 11031085-3    No.31011802002466    Technical support:Fengsheng technology
Group address:No.342, Hesheng Yutingyuan, Xiangju Road, Qingpu District, Shanghai
Hotline:+86-21-69755076   59755666
     +86-21-69755027   69755026   57339828
Investment call: +86-15021631111
Fax:+86-21-69755075   E-mail:sales@sgfm.cn
Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
Copyright © Shen Gao Valve Group Co., Ltd.
cpw887.cn
HuICP No. 11031085-3
No.31011802002466
Technical support:Fengsheng technology