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Pneumatic V-shaped ball valve with hard seal

NegotiableUpdate on 02/07
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Overview
The HSQV677 pneumatic V-ball valve is an advanced control valve with a right angle rotary structure. It consists of a piston type double acting or single acting (spring return type) pneumatic actuator and a V-valve structure. It is used in conjunction with an electrical valve positioner to achieve proportional adjustment; Used in conjunction with solenoid valves and control boxes, it can achieve two position cut-off control. The V-shaped ball valve core is designed with a specially shaped V-shaped notch, which has precise flow characteristics and control functions, and is suitable for controlling media such as gas, liquid, solid particles, etc.
Product Details

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Pneumatic V-shaped regulating valveProduct Information

HSQV677Pneumatic V-shaped ball valveIt is an advanced control valve with a right angle rotary structure, consisting of a piston type double acting or single acting (spring reset) pneumatic actuator and a V-shaped valve structure. It is used in conjunction with an electrical valve positioner to achieve proportional adjustment; Used in conjunction with solenoid valves and control boxes, it can achieve two position cut-off control. The V-shaped ball valve core is designed with a specially shaped V-shaped notch, which has precise flow characteristics and control functions, and is suitable for controlling media such as gas, liquid, solid particles, etc.

Product Features:
(1) A one-piece valve body without any pipe joints, therefore not affected by pipeline or bolt stress, and because the valve body has no pipe joints, the pressure resistant shell will not be affected by pressure "sudden changes";
(2) Equipped with a V-shaped valve body, it can ensure precise control over the entire range even in low flow or high viscosity media;
(3) The leak proof and durable valve seat is lined with a PTFE cup or O-ring with a stainless steel inner core at its outer diameter. The valve seat is made of tungsten cobalt hard alloy with a larger cross-section, and the structure of the valve seat is further reinforced by an alloy corrugated spring;
(4) When the valve is closed, a wedge-shaped shear effect is generated between the V-shaped notch and the valve seat, which has both self-cleaning function and can prevent the ball core from getting stuck. It is particularly suitable for pipeline scaling and freezing, or for situations containing fiber and particle solids.


3、 Scope of application:
HSQV677Pneumatic V-shaped ball valveSuitable for high viscosity, suspension, pulp and other unclean, fiber containing media. The direct connection method is used to connect with the actuator, which has the advantages of compact structure, small size, light weight, low resistance, stable and reliable action. The actuator is configured with electronic electric actuators such as UNIC, PSQ, HQ, DHL, or pneumatic piston actuators such as GTX and AL according to user requirements.


4、 Main technical parameters:

Nominal diameter DN (mm)

25~400

Nominal pressure PN (MPa)

1.6~6.4

Nominal pressure Ps (MPa)

strength test

2.4~9.6

Sealing Test

1.76~7.0

Material Code

C

P

R

main
part

valve body

WCB

ZG1Cr18Ni9Ti

ZGOCr18Ni12Mo2Ti

cue

2Cr13

ZG1Cr18Ni9Ti

ZG0Cr18Ni12Mo2Ti

valve stem

2Cr13

1Cr18Ni9Ti

0Cr18Ni12Mo2Ti

sealing ring

Polytetrafluoroethylene, stainless steel, hard alloy

filler

Polytetrafluoroethylene, flexible graphite

applicable
working condition

Applicable Medium

Water, steam, oil products

Nitrates

Acetic acid

Applicable Temperature

-28~425℃

-28~500℃

actuator

Model number

GT series, AW series, SW series, BAW series, BRAY series

air supply pressure

0.4~0.7MPa

connection type

Clamp type, flange type, flange according to JB79-59 standard


5、 Performance parameters:

Nominal diameter D (mm)

25

32

40

50

65

80

100

125

150

200

250

300

350

400

Rated flow coefficient Cv

32

43

78

90

160

250

360

610

1120

1850

2950

3700

7195

11466

Nominal pressure PN (MPa)

1.6, 2.5, 4.0, 6.4

flow characteristics

Approximate equal percentage (see typical curve chart), straight line characteristics

Valve plate angle (degrees)

0 ° to 90 ° (adjustable)

Allowable leakage level

Soft seal: zero leakage
Hard seal: ≤ rated Cv × 0.001%

Soft seal: VI microbubble level, metal seal: ≤ rated CV × 0.065%

Action time (S)

0.5

1.0

2.5~4.0

7.0

10

Adjustable ratio

250:1

300:1


6、 Product size:

Nominal Diameter
DN(mm)

Size (mm)

Laminated Pancake

flanged

L

H

D

D

D1

D2

q

Z-Φd

25

64

110

85

65

14

4-14

102

233

40

82

145

110

85

16

4-18

114

280

50

100

160

125

110

16

4-18

124

362

65

120

180

145

120

18

4-18

145

377

80

131

195

160

135

20

8-18

165

410

100

158

215

180

155

20

8-18

194

423

125

180

245

210

185

22

8-18

213

436

150

216

280

240

210

24

8-23

229

653

200

268

335

295

265

26

12-23

243

703

250

326

405

355

320

30

12-25

297

787

300

460

460

410

3750

30

12-25

338

827

350

470

-

-

-

-


-

1050

400

525

-

-

-

-


-

1100



Product actual photo: