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Self-electric temperature control valve

Products > Control valve > Self-electric temperature control valve

Self-electric temperature control valve

Model: ZZWPE type
Nominal diameter: DN15~ 200mm
Nominal pressure: PN1.6~4.0MPa
Medium: steam, water, oil, gas
flange standard: GB4216-84 by cast iron flanges, flange steel press GB9113-88
Contact purchase
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Product description:

Self-operated electric temperature control valve (for larger caliber and thermal oil control), the valve features only the most common 220V power supply, the use of the media itself is adjusted to the energy directly to the steam, hot water, hot oil and gas and other media The temperature of the implementation of automatic regulation and control, can also be used to prevent overheating or heat exchange occasions, the valve structure is simple, easy to operate, the selection of a wide range of temperature control, fast response time, reliable sealing performance, and can be adjusted during operation , Which is widely used in chemical, petroleum, food, textile, hotels and restaurants and other departments of hot water supply.

Part Information:

◆ Structure and Principle
Control valve consists of main valve, intelligent actuator and sensor composed of three parts, according to user needs, respectively, heating and cooling of two structures. 
1. The structure and principle of the heating control valve, see the attached diagram: 
Before work, the main valve core is in the half-open position and the sensor is in a natural state. Connect the power, the main spool fully open. The medium flows into the main valve body in the direction of the arrow, and the heat storage tank is heated by the valve core. When the temperature rises to the corresponding set value, the sensor generates a corresponding linear signal input integrated intelligent actuator, then drive the stem, the valve spool displacement, turn off the main valve to stop heating. When the temperature is lower than the set value, the sensor generates a linear signal input to the actuator, which drives the valve element to be involute, allowing the medium to flow into the thermal storage tank according to the parabolic characteristic and heating up to the set value. This controlled media is always in the set temperature range is controlled, so as to achieve the purpose of temperature control. 

Outline drawing 
(1) Intelligent actuator 
(2) Main valve body 
(3) Sensor 
(4) Capillary tube 
(5) Manual mechanism 
Remarks: It is often said that the heating type, cooling type. In this valve as long as the spool structure can be replaced.

Technical Parameters:

◆ The main parameters and materials

1, the main parameters table

Nominal diameter (mm)

15

20

25

32

40

50

65

80

100

125

150

200

Nominal pressure PN (MPa)

1.6 4.0


Flow capacity (m 3 / h)

5

7

10

16

25

40

63

100

160

250

400

630

Rated travel (mm)

6

8

10

14

20

30

30

40

Temperature adjustment range (℃)

0 to 120: 100 to 250

Adjustment accuracy (℃)

± 1 ~ ± 5

Use media

Steam, water, oil, gas

allow

Leakage

Hard seal

10 -4 X valve rated capacity

Soft seal

"0"

Capillary length

3m, 5m, 10m

Warm package into the depth

270, 430, 630

Coupling thread

3/4 "1"

◆ supporting the use of electric actuators related technical parameters

Nominal diameter DN (mm)

20

25

32

40

50

65

80

100

125

150

200

Electric actuator model

normal type

ZAZ-60

DKZ-310

ZAZ-60

DKZ-310

DKZ-410

DKZ-410

DKZ-510

Electronic type

JHZAZ1

JHZAZ2

JHZAZ3

JHZAZ3

Electric Actuator Thrust (N)

normal type

400

4000

400

4000

6400

6400

16000

Electronic type

2000

4000

6000

8000

The whole trip

time

(S)

normal type

12.5

20

32

48

Electronic type

30

30

48

60

Power consumption (W)

normal type

28

35

Electronic type

6

15

25

40

* The table data is only conventional configuration, the specific selection based on the main parameters and user requirements.

Connection standard:

◆ connection size and standard
· Flange standard: Cast iron flange according to GB4216-84, Cast steel flange according to GB9113-88 
· Flange sealing surface type: PN10, PN16 convex PN40, PN64 concave surface, the valve body is concave 
· Structure length: GB12221-89 Jacket 
Insulation Jacket Heating Body Interface: Butt Weld φ18 × 4 
* The body flange and flange end face distance can be manufactured according to user-specified standards. Such as ANSI, JIS, DIN and other standards. 
◆ Ordering Information When 
ordering, please provide the following information: 
· Control valve name and model 
· Nominal diameter (mm) 
· Nominal pressure (MPa) 
· Rated flow coefficient (Kv) 
· Fixed flow characteristics 
· Media name, valve pressure, temperature , Flow rate, etc. 
· The whole machine mode of operation (electric open, electric) and the input signal 
· Body, valve trim and packing material 
· Accessories (manipulators, servo amplifiers, etc.) 
· Other special requirements


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