详情描述

Imported pneumatic high-temperature regulating valve

Import Air-Pneumatic Steam Regulating Valve, Air-Pneumatic Thermal Oil Regulating Valve, Air-Pneumatic High-Temperature High-Pressure Regulating Valve, Power Plant Regulating Valve

Section 1: Imported Pneumatic High-Temperature Control Valve Product Overview

Germany's VardWODEImported pneumatic high-temperature regulating valves, consisting of a multi-spring pneumatic diaphragm actuator and a low-flow resistance high-temperature regulating valve body. The multi-spring actuator features a low height, light weight, and simple installation. The flow channel of the pneumatic high-temperature regulating valve body isSStreamlined, featuring compact structure, light weight, quick operation, low pressure drop loss, large valve capacity, high accuracy in flow characteristics, and easy maintenance, suitable for severe working conditions. Air-operated diaphragm high-temperature control valve with electrical-Air valve positioner or pneumatic valve positioner, capable of automatically adjusting and controlling fluid media in process pipelines. Pneumatic high-temperature regulating valves are mainly used to maintain process parameters such as pressure, flow rate, temperature, and liquid level of gases, liquids, steam, etc., at specified values.

Imported pneumatic high-temperature regulating valves are suitable for applications that allow low leakage, small pressure difference before and after the valve, and high temperatures.

Section II: Imported Pneumatic High-Temperature Control Valve Primary Technical Specifications

Nominal Bore Size(DN)

20

25

32

40

50

65

80

100

125

150

200

250

300

Valve seat diameter(dn)

20

25

32

40

50

65

80

100

125

150

200

250

300

Rated Flow Coefficient(KV)

Single Seat

6.9

11

17.6

27.5

44

69

110

176

275

440

630

875

1250

Sleeve

6.3

10

16

25

40

63

100

155

250

370

580

900

1300

Permitted pressure difference(MPa)

Single Seat

3.8

3.2

3.0

2.0

1.8

1.5

1.4

1.0

0,7

0.6

0.5

0.3

0.1

Sleeve

6.4

6.4

5.2

5.2

4.6

4.6

3.7

3.7

3.5

3.1

3.1

2.6

2.2

Nominal Pressure(MPa)

1.6、2.5、4.0、6.4、10.0、16.0、32.0OrANSI Class150～Class2500

Rated Stroke(mm)

16

25

40

60

100

Actuator Model

ZHA/B-22

ZHA/B-23

ZHA/B-34

ZHA/B-45

ZHA/B-56

Valve cover style

High-temperature type(+250～+450℃)

غطاء قفل

Bolt-tensioned

Sealed packing material

VType PTFEVType Flexible Graphite Packing

Valve core style

Single seat, sleeve type

Flow characteristics

Equal percentage, linear

Section 3: Imported Pneumatic High-Temperature Regulating Valve Actuator Technical Specifications

Configuration Actuator Type

ZHA/BMulti-spring diaphragm actuator

Actuator Model

ZHA/B-22

ZHA/B-23

ZHA/B-34

ZHA/B-45

ZHA/B-56

Effective Area(cm2)

350

350

560

900

1400

Itinerary(mm)

10、16

24

40

40、60

100

Spring Range(KPa)

20～100(Standard)20-60、60-100、40-200、80-240

Diaphragm Material

Nitrile rubber laminated with nylon fabric, Ethylene Propylene rubber laminated with nylon fabric

Supply Pressure

140～400KPa

Gas source interface

RC1/4"

Ambient Temperature

-30～+70℃

Available accessories

Locators, air filter-regulators, holding valves, limit switches, position transmitters, handwheels, etc.

Function form

Gas-closed system(B)—Valve position opens upon loss of pressure(FO)Gas open type(K)—Valve position closed during loss of pressure(FC)

Section 4: Structural Diagram of Imported Pneumatic High-Temperature Control Valve

Note: Due to the website layout, please contact Ward's agents for specific dimensions.

If you have any questions.Please call us, and we will certainly go the extra mile to provide you with excellent service! If you need to inquire about more detailed product information, welcome to contact German Ward.WODEAuthorized Level 1 Distributor: Beijing Yongdebao Valve Co., Ltd.