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D71J Wafer rubber lined butterfly valve

D71J Wafer rubber lined butterfly valveD71J Wafer rubber lined butterfly valve
D71J Wafer rubber lined butterfly valve

D71J Wafer rubber lined butterfly valve Product introduction

D71J Wafer Rubber Lined Butterfly Valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff,beverage,machine,chemical engineering,industrial enviromental proction,water treatment and building ect .Flanged rubber seat butterfly valve: ANSI, DIN, JIS, GB, etc.

D71J Wafer Rubber Lined Butterfly Valve Usage

Sealing Ring Material Code

Applicable Temperature

Applicable Medium

NR

≤85°C

water, air, acid-base

CR

≤85°C

water, gas, acid-base

NBR

≤100°C

water, oil

EPDM

≤120°C

water, steam, acid-base

FKM

≤150°C

water, steam, strong acid-base

 

 

D71J Wafer rubber lined butterfly valve Technical parameters

Description Standard
Design and manufacture EN593
Face to face ISO5752 series14, EN558-1 series 14, DIN3202 F4
Flange and drilling ISO7005-2, EN1092,
Pressure test EN12266
Top flange of bare shaft valve ISO5211
Top flange on worm gearbox for e-actuator ISO5210

D71J Wafer rubber lined butterfly valve Main part material

Name Material
Body ductile cast iron, WCB, stainless steel
Disc ductile cast iron, WCB, stainless steel, Al-bronze
Stem SS420, SS431
Disc seat ring EPDM,NBR,VITON
Body seat ring SS304
Retainer SS304, SS316
Shaft bearing Al-bronze, self-lubricating bearing
Bolt & nuts 8.8 grade galvanized, SS304
Coating epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc.

D71J Wafer rubber lined butterfly valve Main dimension

DN(mm)

PN(MPa)

Working Temperature(MPa)

L
mm

D
mm

D1
mm

n-Φd
mm

H1
mm

H2
mm

S
mm

H3
mm

Weight Kg/kilos

40

 

1.6

1.0

 

1.6

1.0

33

150

110

4-18

55

100

235

27

2

50

43

165

125

4-18

64

120

235

27

2.5

65

46

185

145

4-18

80

120

235

27

4.5

80

46

200

160

8-18

112

130

265

27

5.5

100

52

220

180

8-18

90

145

265

27

6.5

125

56

250

210

8-18

112

160

365

32

11.5

150

56

285

240

8-22

135

175

365

32

13.5

 

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