Carbon Steel Fully Welded Ball Valve

Carbon Steel Fully Welded Ball Valve

Q361F type PN1.6-PN2.5 carbon steel fully welded ball valve is widely used in various fields. Its superior quality and high performance stability are not achieved by ordinary cast steel ball valves. The service life of all welded ball valves is far greater than Cast steel ball valves, all welded ball valves are widely used in urban gas, urban heating, petrochemical, shipbuilding, steel, pressure regulating stations, power plants and other pipeline equipment.

Product Details

Product Usage:

Q361F type PN1.6-PN2.5 carbon steel fully welded ball valve is widely used in various fields. Its superior quality and high performance stability are not achieved by ordinary cast steel ball valves. The service life of all welded ball valves is far greater than Cast steel ball valves, all welded ball valves are widely used in urban gas, urban heating, petrochemical, shipbuilding, steel, pressure regulating stations, power plants and other pipeline equipment.



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Advantage

1. The fluid resistance of the carbon steel fully welded ball valve is small, and its resistance coefficient is equal to the pipe length of the same length.

2. The structure is simple, small in size and light in weight.

3. It is close and reliable. At present, the sealing surface material of the ball valve is widely used in plastic and has good sealing performance. It has also been widely used in vacuum systems.

4. The operation is convenient, the opening and closing is rapid, and the rotation is 90° from full opening to full closing, which is convenient for long-distance control.

5. The maintenance is convenient, the ball valve has a simple structure, and the sealing ring is generally movable, and the disassembly and replacement are relatively convenient.

6. When the carbon steel fully welded ball valve is fully open or fully closed, the sealing surface of the ball and the valve seat is isolated from the medium, and the medium does not cause erosion of the sealing surface of the valve.


Material

NoNameMaterial
1BonnetASTM A105
2Valve bodyASTM A105
3SphereASTM A105+ENP
4Anti-static springAssembly
5Thrust bearingPTFE
6Sliding bearing304+PTFE
7Lower stemASTM A105
8Bottom coverASTM A105
9Drain valveASTM A105+ENP
10O-ringVITON
11Fireproof matSS304+ graphite
12Socket head cap screwsASTM A193 B7
13Foot frameA3
14SeatPPL
15Seat fire padSS304+ graphite
16Spring supportASTM A105
17Spring17-7PH
18O-ringVITON
19Seat support ringASTM A105+ENP
20Sliding bearing304
21Thrust bearingPTFE
22Sliding bearing304+PTFE
23Upper supportASTM A105
24O-ringVITON
25O-ringVITON
26Y-ring sealVITON
27Fireproof matSS304+ graphite
28FillerGraphite
29Socket head cap screwsASTM A193 B7
30Socket head cap screwsASTM A193 B7
31Valve stemASTM A182 F6a
32Cylindrical pin35
33StudASTM A193 B7
34NutASTM A194 2H
35Spring washer65Mn
36LandASTM A105
37Flat key45
38TurbineASTM A105-HZn
39Vent valveASTM A105-HZn


Connection Size

Q61F/Q361F-Q41F/Q341F PN16/PN25/PN40

DN

L(RF)

L(WE)

D1

D2

H1

H1

W

W

15

150

210

27

48

64

-

129

-

20

160

230

34

60

76

-

159

-

25

180

230

42

76

85

-

159

-

32

200

260

48

89

95

-

245

-

40

230

300

60

89

124

-

245

-

50

270

300

76

114

162

-

30

-

65

280

300

89

140

175

-

320

-

80

300

325

114

168

192

169

450

-

100

350

325

141

203

205

183

450

230

125

350

350

168

219

225

203

450

230

150

400

400

219

273

245

224

1000

230

200

502

521

273

351

285

262

1000

320

250

568

560

325

426

348

322

1500

350

300

648

635

377

508


355


350


The main welding ball valve Q361F main selection principle:

1. Valve stem anti-flying structure

2. Anti-static device

3. Fireproof structure

4. The central flange has no external leakage structure

5. Automatic pressure relief structure



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