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V-shaped regulating ball valve


V-shaped regulating ball valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

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Sales: 021-31007323
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Technology: 021-31007323

product manual Pledge Order process

Product name : V-shaped regulating ball valve Product model : V VQ947 V
   Driving method : electric Connection form : Flange  
   Structure form : Fixed ball valve    Seal structure : Teflon, etc.
   Pressure range : MPa 1.6 ~ 6.4 MPa    Nominal diameter : 5-DN400 DN2 5-DN400
   Common materials : WCB, 304, 316    Technical consultation : 021-31007323

是国内著名〖 V 型调节球阀 〗制造商,也是国内大型【 球阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖 V 型调节球阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of " V -shaped regulating ball valves" and one of the large domestic [ ball valve ] manufacturers. Since its establishment, the company has always focused on customer needs and continued to innovate. And enterprise customers provide the " V -shaped regulating ball valve" solution, reliable quality and affordable, so it sells all over the country, welcome new and old customers to call us, email us, we will provide you with the best quality service.

 

V 型调节球阀概述 I. Overview of V -shaped regulating ball valve

V 型调节球阀 是一种芯阀座采用金属,或金属对聚四氟乙烯密封配合的旋转球阀,它将球阀和 手动蝶阀 的最佳控制特性结合成一体 , 既可用作控制调节阀,又可作关断切断阀。 VQ947 V -type regulating ball valve is a rotary ball valve whose core seat adopts metal or metal to polytetrafluoroethylene sealing. It combines the best control characteristics of ball valve and manual butterfly valve into one . It can be used as a control regulating valve. Can also be used to shut off the shut-off valve. Its main features are:
突变 的影响; (1) Integral valve body without any pipe joints, so it is not affected by pipeline or bolt stress, and because the valve body does not have any pipe joints, the pressure-resistant casing will not be affected by the " abrupt change " in pressure ;
(2) With a V-shaped valve body, even in the case of small flow or high-viscosity media, the entire range can be guaranteed to ensure the accuracy of the control;
(3) The leak-proof and durable valve seat is lined with a stainless steel inner core PTFE cup or O-ring seal at its outer diameter. The valve seat is made of tungsten-cobalt hard alloy with a large cross-section. The spring further strengthens the structure of the valve seat;
(4) When the valve is closed, a wedge-shaped shearing effect occurs between the V-notch and the valve seat, and it has both a self-cleaning function and prevents the core from jamming. It is especially suitable for pipeline scaling or freezing or fiber and particulate solids. .
Suitable for high viscosity, suspension, pulp and other dirty, fiber-containing media. Adopting direct connection to connect with the actuator, it has the advantages of compact structure, small size, light weight, small resistance, stable and reliable operation, etc. UNIC PSQ HQ DHL 等型号电子式 电动执行机构 GTX AL 等气动活塞式执行机构。 The actuator is equipped with UNIC , PSQ , HQ , DHL and other electronic electric actuators or GTX , AL and other pneumatic piston actuators according to user requirements .

V 型调节球阀技术参数 Technical parameters of V -shaped regulating ball valve

DN(mm) Nominal diameter DN (mm)

400 25 400

PN(MPa) Nominal pressure PN (MPa)

6.4 1.6 6.4

Ps(MPa) Nominal pressure Ps (MPa)

Strength test

9.6 2.4 to 9.6

Seal test

7.0 1.76 7.0

\ 代号 Material \ Code

C

P

R

main
Components

Valve body

WCB

ZG1Cr18Ni9Ti

ZGOCr18Ni12Mo2Ti

Cue

2Cr13

ZG1Cr18Ni9Ti

ZG0Cr18Ni12Mo2Ti

Valve stem

2Cr13

1Cr18Ni9Ti

0Cr18Ni12Mo2Ti

Sealing ring

Teflon, stainless steel, cemented carbide

filler

PTFE, flexible graphite

Applicable conditions

Applicable medium

, 蒸汽 , 油品 Water , steam , oil

Nitric acid

Acetic acid

proper temperature

400 -28 400

500 -28 500

Actuator

model

3410R UNIC PSQ HQ DHL 等系列电子式电动执行机构 CH , 3410R , UNIC , PSQ , HQ , DHL and other electronic electric actuators

Connection Type

JB79-59 标准 Wafer type, flange type, flange according to JB79-59 standard

V 型调节球阀主要性能指标 Third, the main performance indicators of V -shaped regulating ball valve

Basic error

Return difference

dead zone

input signal

output signal

≤2% ≤ 2% of full stroke

≤2% ≤ 2% of full stroke

≤0.8% ≤0.8% of full stroke

20mADC 4 to 20mADC

20mADC 4 to 20mADC

 

DN mm Nominal diameter DN ( mm )

25

32

40

50

65

80

100

125

150

200

250

300

350

400

Cv Rated flow coefficient Cv

32

43

78

90

160

250

360

610

1120

1850

2950

3700

7195

11466

PN MPa Nominal pressure PN ( MPa )

2.5 4.0 6.4 1.6 , 2.5 , 4.0 , 6.4

Flow characteristics

Approximate equal percentage (see typical graph), straight line characteristics

Valve plate angle (degrees)

~至 90 (可调) 0 to 90 (adjustable)

Allowable leakage level

Soft seal: zero leakage
额定 Cv0.001% Hard seal: rated Cv 0.001%

VI 微气泡级,金属密封: 额定 CV0.065% Soft seal: VI micro bubble level, metal seal: rated CV 0.065%

(S/90 ) Action time (S / 90 degrees )

30 8.5 30

60 36 60

Adjustable ratio

250: 1

300: 1

V 型调节球阀流量特性曲线 Four, V -type regulating ball valve flow characteristic curve

V型调节球阀流量特性曲线

V 型调节球阀外形尺寸 Five, V -shaped regulating ball valve dimensions

V型调节球阀外形尺寸

 

Nominal diameter
DN (mm)

(mm) Size (mm)

Pair

Flanged

L

H1

H2

D

D

D1

D2

q

Z-Φd

25

64

110

85

65

14

4-14

102

277

60

40

82

145

110

85

16

4-18

114

305

75

50

100

160

125

110

16

4--18

124

364

95

65

120

180

145

120

18

4-18

145

379

105

80

131

195

160

135

20

8-18

165

389

120

100

158

215

180

155

20

8-18

194

402

140

125

180

245

210

185

twenty two

8-18

213

426

165

150

216

280

240

210

twenty four

8-23

229

453

185

200

268

335

295

265

26

12-23

243

473

205

250

326

405

355

320

30

12-25

297

540

240

300

460

460

410

3750

30

12-25

338

590

290

350

470

-

-

-

-

 

-

 

 

400

525

-

-

-

-

 

-

 

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