Motorized Control Valve

Electric high pressure regulating valve consists of the PSL series or the 3810L series of linear actuators and high pressure regulators. The control valve used for a serious problems which have short service life

Alve Body Parameters

Nominal 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

160

250

360

570

850

1180

Allowable Pressure (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, 25.0

Rated travel (mm)

16

25

40

60

100

Bonnet

Standard Form (-17~+250℃), High-temperature Form (+250~+450℃), Low-temperature Form (-40~-196℃), Bellows Seal Form(-40~+350℃)

Bonnet type

Bolt Compression

Sealing gasket

V-type PTFE Filler, V-type Flexible Graphite Filler

Body Material

Carbon Steel(WCB, WCC), Stainless Steel(CF8, CF8M, CF3, CF3M, Duplex Stainless Steel 2520)


Trim Parameters

Structure

Single seat plunger type spool, Sleeve type spool

Flow Characteristics

Linear, Equal Percentage

 Trim Material

Stainless Steel (304, 316, 316L)

The matching actuator parameters are as follows:

Actuator Models

Imported (Rotork, Siemens, AUMA, Westbosch) and other customer-designated brands

Main Technical Parameters

Power Supply Voltage: AC 220V, AC 380V; Special order DC 24V; (others)

Input signal: 4-20mA or 1-5V•DC, Output signal: 4-20mA•DC; Special custom RS485 communication interface

Protection Level: Quite IP65, Explosion-proof Mark: ExdIIBT4 (optional BT6, CT4, CT6), Hand Function: Handle

Ambient Temperature: -25~+70℃, Ambient Temperature: ≤95%


Performance Index

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Electric Actuator Main Technical data

Nominal pressure: 1.6, 2.5, 4.0, 6.4 MPa

Valve material: Cast iron, cast steel, cast stainless

Inherent flow characteristic: Line, equal percent

Mode of Action: Electric open(K), electric close(B)

Temperature range: -20~250°C(normal temperature),-20~425°C(medium temperature)

Input single: 4~20mA

Voltage: 220V50Hz or 380V

Actuator rated travel: See sheet 1

Basic error: 1%, 1.5%

Dead zone: 0.5%~3%

Return difference: 1.5%

Control accuracy: ±1%

Protective degree:IEC145IP67

Allowing leakage volum: ZRLP meet ANSI B16.106 IV degree, ZRLN meet ANSI B16.106 II degree

Application temperature: Electric regulating valve -20~+80°C

Using situation humidity: Electric regulating valve ≦95%

Surrounding gas: Gas


Nominal Diameter

20

25

32

40

50

65

80

100

125

150

200

250

300

10

12

15

20

Rated flow data ZRLP ZRLN kV

1.2

2

3.2

5

8

12

20

32

50

80

120

200

280

450

700

1000

-

10

16

25

40

63

100

160

250

400

630

1000

1600

Flow  characteristic

Line; Equal percent

Travel (mm)

10

16

25


60

100

Action method

Electric open(K)   Electric    close(B)

Signal(mA.DC)

4~20mA DC etc.

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