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Q41F-16
 Q41F-16(O-RING)FLANG END BALL VALVE 

Scope Of Application:

Norminal pressure

1.6MPa

suitable medium

water

test pressure

shell

2.4MPa

seat

1.76MPa

test time

DN50-150

60s

DN>150

120s

temperature

-20°c-150°c

Technical Requirement:

  1. Face to face dimension DN50-100 conform to Series 14 of BS EN 558-1,and DN125-200 conforms to Series 15 of BS EN558-1.
  2. Flange drilled conforms to BS EN1092.

DN

L

D

D1

D2

B

f

n-d

M

50

150

165

125

102

20

3

4-19

220

65

170

185

145

122

20

3

4-19

284

80

180

200

160

138

21

3

8-19

284

100

190

220

180

158

24

3

8-19

500

125

325

250

210

188

26

3

8-19

600

150

350

285

240

212

26

3

8-23

800

200

400

340

295

268

30

3

12-23

1000


16

body

cast iron

DIN1691 GG25

GB9439-88 HT250

15

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

14

seat ring

teflon

 

teflon

13

O-ring

EPDM

 

EPDM

12

bonnet

cast iron

DIN1691 GG25

GB9439-88 HT250

11

ball

stainless steel

DIN17440 X5CrNi189

GB1220 0Cr18Ni9(304)

10

stem

stainless steel

DIN17440 X20Cr13

GB1220 2Cr13

9

O-ring

EPDM

 

EPDM

8

O-ring

EPDM

 

EPDM

7

O-ring

EPDM

 

EPDM

6

sealed part

cast brass

DIN17656 Cu-Zn39Pb2

GB1176-87 ZCuZn40Pb2

5

spacing baffle

steel

DIN17100 RSt37-2

GB700-88 Q235

4

gasket

cast brass

DIN17656 Cu-Zn39Pb2

GB1176-87 ZCuZn40Pb2

3

washer

steel

DIN17100 RSt37-2

65Mn

2

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

1

handle

ductile iron

DIN1693 GGG40

GB1348 QT400-17

NO.

Name of part

Material

Germany standard

Chinese standard


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