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Flange throttling valve

Products > Oil field valve > Flange throttling valve

Flange throttling valve

Model: J4B6Y
Nominal diameter: DN25 ~ 100mm
Nominal: PN16.0 ~ 20.0MPa
Connection: flange
Suitable medium: water, oil, natural gas, etc.
Temperature: -29 ℃ ~ 121 ℃
Valve Manufacturing: GB12235-1994
Valve Manufacturing: GB12235-1994
Flange Standard: GB9113
Valve Test: GB / T13927-1992
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High Pressure Balance Flange Globe Valve J4B6Y J4B7Y Overview     
High Pressure Balance Flange Globe Valve J4B6Y J4B7Y Reference API and related standards optimized design, novel structure, the valve flap has several holes and the upper chamber connected to achieve pressure from top to bottom balance. The use of composite packing, sealed, reliable, low friction. Sealing with live valve seat structure. Surfacing Carbide.


High Pressure Balance Flange Globe Valve J4B6Y J4B7Y Shape and connection dimensions

Nominal pressure 
(MPa)

Nominal diameter 
(MPa)

Size (mm)

Do

P

D1

D

L

b

Zd

H

W

16.0 
20.0

25

22

50.80

101.5

150

120

35

4-26

243

220

32

280

60.32

111

160

135

35

4-26

299

300

40

35

68.28

124

180

165

38

4-30

332

300

50

47

95.25

165

215

190

42

8-26

367

320

65

57

107.95

190.5

245

215

48

8-30

383

320

80

73

123.82

190.5

240

260

46

8-26

376

320

100

98

149.22

235

290

290

52

8-33

472

350

25.0 
35.0

25










32

22

50.80

101.5

150

120

35

4-26

243

220

40

28

60.32

111

160

135

35

4-26

299

330

50

35

68.28

124

180

165

38

4-30

332

300

65

47

95.25

165

215

190

44

8-26

367

320

80

57

107.95

190.5

245

215

50

8-30

383

320

100

70

136.52

203

265

260

56

8-33

376

320

150

92

161.92

241.5

310

290

62

8-36

472

350


High Pressure Balance Flange Globe Valves J4B6Y J4B7Y Main Parts Materials

Part Name

Body valve cover

Valve stem cylinder liner

filler

Studs

O-ring

material

Carbon steel

stainless steel

PTFE + rubber

35CrMoA

Nitrile rubber