Electric Knife Gate Valve

Electric gate valve control the valve by rising and falling the gate. Its gate perpendicular to way of the fluid, and the size of the channel can be changed by altering the relative position between gate and valve seat.

Main parts material and range of applicable of electric gate valve

Valve Body

WCB

WC6/WC9

Bonnet

WCB

12Cr1MoV

Valve Rod

38CrMoAlA

25Cr2MoV

Flashboard

25/WCB

WC6/WC9

Universal Joint

38CrMoAlA

38CrMoAlA

Bolt

B7

25Cr2MoV

Applicable Medium

Water, Gas, Oil, etc.

Water, Gas, Oil, etc.

Maximum Operating Temperature

425℃

550/590℃


Classification of operating temperature

(1) Ultralow temperature valve: apply to the valve which medium operating temperature t<-100℃. 

(2) Low temperature valve: apply to the valve which medium operating temperature -100℃≤t≤-40℃.

(3) Normal temperature valve: apply to the valve which medium operating temperature -40℃≤t≤120℃.  

(4) Intermediate temperature valve: apply to the valve which medium operating temperature 120℃.

(5) High temperature valve: apply to the valve which medium operating temperature t>450℃.

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The matching actuator parameters are as follows:

Z series multi-turn electric actuator connection flange dimensions

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Type

Torque type(JB2920)

Thrust type( GB/T12222-2005}

Parameter

Base code

D

D1

D2
H9

d2

d1

h

h1

f

n-d

Flange Code

D

D1

D2
f8

D1
(Max)

n-d

f

Z10-15

2

145

120

90

45

30

8

2

5

4-M10

F10

125

102

70

Tr28

4-M10

3

2I

115

95

75

39

26

6

2

4

4-M8

Z20-30

3

185

160

125

59

42

10

2

5

4-M12

F14

175

140

100

Tr36

4-M16

4

3I

145

120

90

45

30

8

2

5

4-M10

Z45-60

4

225

195

150

72

50

12

2

5

4-M16

F16

210

165

130

Tr44

4-M20

5

Z90-120

5

275

235

180

82

62

14

2

5

4-M20

F25

300

254

200

Tr60

4-M16

5

5I

230

195

150

72

50

12

2

5

4-M16

Z180-250

7

330

285

220

98

72

16

3

6

4-Φ27

F30

350

298

230

Tr70

4-M20

5

Z350

8

380

340

280

118

82

20

3

6

4-Φ22

F35

415

356

260

Tr80

4-M30

5


Remarks

1.The I in the frame number indicates the power station type;

2. The diameter of the trapezoidal thread in the thrust type is the maximum selected diameter.

3. The position of the mounting hole of the connecting plate is symmetrically distributed with the axis of the motor.


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Zseries Multi-turn Electric Actuator Outline

Type Parameter

L

L1

H

H1

F1 On-off type

F2 Intelligent type

ΦD

Z5-15

382

228

233

87

150

203

300

Z20-30

435

278

248

90

157

210

350

Z45-60

640

410

325

116

268

380

420

Z90-120

830

540

450

200

685

510

550

Z180-250

870

565

600

250

740

535

320

Z350-500

1170

770

710

280

840

450


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