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Pneumatic lined diaphragm valve

Products > Anticorrosive valve > Pneumatic lined diaphragm valve

Pneumatic lined diaphragm valve

Model: G641F46
Nominal diameter: DN15 ~ 300mm
Nominal pressure: PN0.6 ~ 2.5MPa
Main material: Gray cast iron, low carbon stainless steel, carbon steel, stainless steel
Drive: electric, pneumatic, manual
Design and manufacture: BS5156
Length of the structure : BS5156
Flange connection size: BS4504, DIN2532, JIS B2212, ANSI B16.1, ISO2004
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First, the pneumatic valve lined diaphragm overview

Pneumatic diaphragm valve lined by the diaphragm valve and pneumatic actuator composed of two parts, it is compressed air as a driving force, the actual flow of the medium in the process of regulating the flow of media. Pneumatic fluorine fluorine diaphragm valve due to the structure of the valve with a corrosion-resistant liner and corrosion-resistant diaphragm, no stuffing box structure, the throttle element is flexible diaphragm, valve body smooth, so the pneumatic diaphragm diaphragm valve has a negative force Small, high flow, no leakage and convenient and reliable, fire and explosion-proof advantages, pneumatic valve lined with fluorine diaphragm valve widely used in industrial automation systems of strong acid, alkali, strong corrosion, high viscosity, with grain, with fiber and toxic and Not allow pollution of the media flow regulation.

 

Second, pneumatic lining fluorine membrane valve main parts and materials

Serial numberPart Namegrey cast ironCarbon steelstainless steelUltra-low carbon stainless steel
ZCPRPLRL
1Body, bonnet, discHT250WCBCF8CF8MCF3CF3M
2Valve stem351Cr131Cr18Ni91Cr18Ni12Mo2Ti00Cr18Ni1000Cr17Ni14Mo2
3Lining layerFEPF46, PFA (soluble polytetrafluoroethylene), PCTFE (F3), PO (polyolefin)
4DiaphragmFEPF46, PFA (soluble polytetrafluoroethylene), CR (neoprene), EPDM (ethylene propylene rubber)
5Stem nutZcuAl10Fe3
6bolt35351Cr17Ni21Cr17Ni21Cr17Ni21Cr17Ni9Ti
7Nut45450Cr18Ni90Cr18Ni90Cr18Ni90Cr18Ni9

 

Third, pneumatic lining fluorine diaphragm valve technical parameters

Nominal diameter DN (mm)1520253240506580100125150200250
Rated flow coefficient Kv812162860689016030041061812002150
Flow characteristicsApproximate quick opening characteristics
Nominal pressure PN (MPa)0.6, 1.0, 1.6, 2.5
Connection TypeFlange connection: PN1.0 according to JB78 standard
Equipped with actuator modelZHA, ZHB
Effective area Fece22804006001000
Travel Lmm81016254060
Mode of actionQi off; open air
Spring pressure range (KPa)Standard 20-100, optional 40-200,20-60,60-100
Supply pressure (MPa)Standard 0.14 optional 0.24
Air source connectorM16 × 1.5
Inherent adjustable R30: 1
Operating temperature-30 ~ + 150 ℃

 

Fourth, pneumatic lined diaphragm valve main dimensions

standard value









DN (mm)

NPS (inch)

L

D

D1

D2

f

b

Z-фd

d0

H

H1

WT (kg)














15

1/2

125

95

65

45

2

14

4-ф14

100

105

110

3.5

20

3/4

135

105

75

55

2

16

4-ф14

100

115

125

4

25

1

145

115

85

65

2

16

4-ф14

120

120

135

5.5

32

11/4

160

135

100

78

2

18

4-ф18

120

125

150

8

40

11/2

180

145

110

85

3

18

4-ф18

140

135

175

11

50

2

210

160

125

100

3

20

4-ф18

140

155

195

14

65

21/2

250

180

145

120

3

20

4-ф18

200

170

200

23

80

3

300

195

160

135

3

21

4-ф18

200

200

255

29

100

4

350

215

180

155

3

21

8-ф18

280

270

325

46

125

5

400

245

210

185

3

24

8-ф18

320

335

405

70

150

6

460

280

240

210

3

24

8-ф23

320

370

450

95

200

8

570

335

295

265

3

26

8-ф23

400

480

600

170

250

10

680

390

350

320

3

28

12-ф23

500

545

620

270

300

12

790

435

395

362

4

24

12-ф23

500

585

680

320


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