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Fluorine lined ball valve Q41F46-16C

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Fluorine lined ball valve Q41F46-16C

Fluorine lined ball valve Q41F46-16C
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Ball valves use a ball core with a circular through-hole as the opening and closing element. The ball core rotates around the centerline of the valve body with the valve stem to achieve the purpose of opening and closing the valve.

The basic series of ball valves is Q41F46 type, which can be divided into two types of structures: two-piece and three piece. In addition to the small fluid resistance, fast opening and closing speed, and simple structure that ordinary ball valves have; It also has the following advantages

(1) Ball valves with FEP lining layer have extremely high chemical stability and can be used in any highly corrosive medium except for molten alkali metals and elemental fluorine;

(2) Adopting a full bore, floating ball structure, the valve can be closed without leakage within the entire pressure range, making it more convenient for ball cleaning and pipeline maintenance of the pipeline system;

(3) The ball of the opening and closing part is integrated with the valve stem casting (forging), which eliminates the possibility of valve stem impacting the pressure bearing part due to pressure changes, fundamentally ensuring the safety of use in engineering;

(4) The structure is compact and reasonable, with the smallest internal cavity space of the valve body, reducing medium retention. In addition, the special molding process ensures good density of the sealing surface, and the combination of herringbone ring PTFE packing ensures zero leakage of the valve;

(5) The two piece and three piece structures can adapt to various pipeline systems and working conditions with different requirements. Among them, the three piece ball valve allows the main valve body to be separated from the two sides, and can achieve online rapid replacement and maintenance.

1、 Valve manufacturing follows specifications:

a. Design and manufacturing in accordance with GB 12237 standard;

b. The structural length shall be in accordance with GB 12221 (medium series);

c. The flange size shall be in accordance with JB 78/JB 79 (GB.HG. SH) standard;

d. The pressure test shall be carried out in accordance with the GB/T 13927 standard; e. The logo shall comply with the GB 12220 standard;

f. Supply according to JB/T7928 standard.

2、 Driving method

This product can be manufactured according to user needs, including handle, worm gear, pneumatic, electric and other driving methods.

3、 Valve Connection Standards

This product can be manufactured according to user needs and supplied in accordance with standards such as ANSI (American Standard), DIN (German Standard), JIS (Japanese Standard), etc.


Compliance with regulations

design and manufacturing

GB 12237

Structure length

GB12221(medium series)

Flange size

JB78/JB79(GB,HG,SH)

Pressure test

GB/T 13927

sign

GB12220

supply of material

GB/T12252

Flange connected ball valve (two piece, three piece)

·The design and manufacturing comply with Chinese national standards.

·Nominal pressure DN1.0~2.5 (MPa)

·Nominal diameter DN15-250 (mm)

·Basic model

hand movement

Q41F4(fully lined)

pneumatic

Q641F4(fully lined)

Q41F46(fully lined)

Q641F46(fully lined)

Worm gear transmission

Q341F4(fully lined)

Electric

Q941F4(fully lined)

Q341F46(fully lined)

Q941F46(fully lined)

List of Main Component Materials

Serial Number

Part Name

Gray cast iron

cast steel

stainless steel

Ultra low carbon stainless steel

Z

C

P

R

PL

RL

1

Valve body and end cover

HT250

WCB

CF8

CF8M

CF3

CF3M

2

ball

WCB

WCB

CF8

CF8M

CF3

CF3M

3

Lining layer/valve acne

FEP(F46) PCTFE(F3) PFA(PFA)

4

Packing gland

HT250

WCB

CF8

CF8M

CF3

CF3M

5

filler

PTFE(F4) teflon PTFE(F4)teflon

6

bolt

35

35

1Cr17Ni2

1Cr17Ni2

1Cr18Ni9

1Cr18Ni9

7

nut

45

45

0Cr18Ni9

0Cr18Ni9

0Cr18Ni9

0Cr18Ni9

8

handle

WCC

WCC

WCC

WCC

WCC

WCC

Nominal Diameter

Standard value

Reference value

DN
(mm)

NPS
(inch)

L

D

D1

D2

f

b

Z-φd

D0

H

WT(Kg)

PN 1.0 (MPa)

15

1/2

132/130

95

65

45

2

14

4-φ14

120

80

2.5

20

3/4

140/130

105

75

55

2

16

4-φ14

140

90

3

25

1

150/140

115

85

65

2

16

4-φ14

160

100

4.5

32

11/4

165

135

100

78

2

18

4-φ18

160

110

5.7

40

11/2

180/165

145

110

85

3

18

4-φ18

200

120

7

50

2

200/203

160

125

100

3

20

4-φ18

250

135

9.5

65

21/2

220/222

180

145

120

3

20

4-φ18

300

145

15

80

3

250/241

195

160

135

3

22

4-φ18

350

185

19

100

4

280/305

215

180

155

3

22

8-φ18

400

195

33

125

5

320/356

245

210

185

3

24

8-φ18

500

210

58

150

6

360/394

280

240

210

3

24

8-φ23

200*

450

93

200

8

457

335

295

265

3

26

8-φ23

240*

490

155

250

10

533

390

350

320

3

28

12-φ23

240*

550

210

Nominal diameter

Standard value

Reference value

DN
(mm)

NPS
(inch)

L

D

D1

D2

f

b

Z-φd

D0

H

WT(Kg)

PN 1.6 (MPa)

15

1/2

132/130

95

65

45

2

14

4-φ14

120

80

2.5

20

3/4

140/130

105

75

55

2

16

4-φ14

140

90

3

25

1

150/140

115

85

65

2

16

4-φ14

160

100

4.5

32

11/4

165

135

100

78

2

18

4-φ18

160

110

5.7

40

11/2

180/165

145

110

85

3

18

4-φ18

200

120

7

50

2

200/203

160

125

100

3

20

4-φ18

250

135

9.5

65

21/2

220/222

180

145

120

3

20

4-φ18

300

145

15

80

3

250/241

195

160

135

3

22

8-φ18

350

185

19

100

4

280/305

215

180

155

3

22

8-φ18

400

195

33

125

5

320/356

245

210

185

3

24

8-φ23

500

210

58

150

6

360/394

280

240

210

3

36

8-φ23

200*

450

93

200

8

457

335

295

265

3

28

12-φ23

240*

490

155

Nominal diameter

Standard value

Reference value

DN
(mm)

NPS
(inch)

L

D

D1

D2

f

b

Z-d

D0

H

WT(Kg)

PN 2.5 (MPa)

15

1/2

132/130

95

65

45

2

16

4-φ14

120

80

2.5

20

3/4

140/130

105

75

55

2

16

4-φ14

140

90

3

25

1

150/140

115

85

65

2

16

4-φ14

160

100

4.5

32

11/4

165

135

100

78

2

18

4-φ18

160

110

5.7

40

11/2

180/165

145

110

85

3

18

4-φ18

200

120

7

50

2

200/203

160

125

100

3

20

4-φ18

250

135

9.5

65

21/2

220/222

180

145

120

3

22

8-φ18

300

145

15

80

3

250/241

195

160

135

3

22

8-φ18

300

185

19

100

4

280/305

230

190

160

3

24

8-φ23

200*

195

33

125

5

320/356

270

220

188

3

28

8-φ25

200*

210

58

150

6

360/394

300

250

218

3

30

8-φ25

200*

450

93

Flange connected discharge ball valve

·Nominal pressure PN1.0 (MPa)

·Nominal diameter DN40~80 (mm)

·The main materials are shown in Table B-5

Table A-7

Nominal diameter

Standard value

Reference value

DN
(mm)

NPS
(inch)

L

D

D1

D2

f

b

Z-Φd

D0

H

W(Kg)

PN 1.0(MPa)

40/65

11/2/21/2

130

145/180

110/145

85/120

3/3

18/20

4-Φ18/4-Φ18

200

110

8.1

50/80

2/3

160

160/195

125/160

100/135

3/3

20/22

4-Φ18/4-Φ18

250

125

9.5

80/125

3/5

200

195/245

160/210

135/185

3/3

22/24

4-Φ18/4-Φ18

400

100

19

*The L value is the enterprise standard, and the flange size is scanned as JB78. The left flange is one level larger than the right flange, with the numerator being the right flange size and the denominator being the left flange size.

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