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Self regulating temperature control valve temperature regulating valve DN20 of Shanghai ZZWP/YZW self operated temperature control valve

V230W self operated temperature control valve is composed of two parts: temperature sensor and control valve. It is a kind of energy saving product which needs no external energy and adjusts automatically by the temperature change of the controlled medium. The product is suitable for the automatic control of temperature in various heat exchangers with various gases, steam, hot water, oil and so on. The V230W temperature control valve has the advantages of wide temperature setting range, convenient adjustment, continuous temperature setting, over temperature protection, and convenient temperature setting

price:USD$2350.00
discount 70% in 2018-09-22 to 2018-09-24
price: USD$ 1645.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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[product overview]

V230W self operated temperature control valve is composed of two parts: temperature sensor and control valve. It is a kind of energy saving product which needs no external energy and adjusts automatically by the temperature change of the controlled medium. The product is suitable for the automatic control of temperature in various heat exchangers with various gases, steam, hot water, oil and so on. V230W temperature control valve has the advantages of wide temperature setting range, easy adjustment, continuous temperature setting, over temperature protection, convenient temperature setting and so on. V230W control valve is widely used in urban heating, heating systems and power, petroleum, metallurgy, pharmaceutical, boiler and other industrial sectors.

[structure chart]
 
Main valve parts and recommended temperature range
Part name of V230W temperature control valve
Material Science
temperature range
Valve body and valve cover
HT200
-20~200℃
ZG230-450
-40~450℃
ZG1Cr18Ni9Ti
-250~550℃
ZG0Cr18Ni12Mo2Ti
-250~550℃
Valve core and valve seat
1Cr18Ni9Ti
-250~550℃
0Cr18Ni12Mo2Ti
-250~550℃
(reinforced) PTFE
-20~200℃
Welding division Stellite alloys
-250~550℃
Pressure balance element
corrugated pipe
18Ni12Mo2Ti
-160~300℃
Spring
18Ni12Mo2Ti
-160~250℃
[relationship between allowable medium and temperature]
Material of valve body of V230W self operated temperature control valve
nominal
pressure
(MPa)
Medium temperature and temperature
≤150
≤200
≤250
≤300
≤350
≤400
≤425
≤450
Maximum operating pressure (MPa)
HT200
1.0
1.0
 
 
 
 
 
 
 
1.6
1.6
1.5
 
 
 
 
 
 
ZG230-450
1.6
1.57
1.52
1.44
1.28
1.12
0.88
0.72
 
ZG1Cr18Ni9Ti
1.6
1.6
1.6
1.4
1.25
1.1
1.0
0.9
0.75
ZG0Cr18Ni12Mo2Ti
4.0
4.0
4.0
3.6
3.2
2.8
2.5
2.2
1.9
6.4
6.4
6.4
5.6
5.0
4.5
4.0
3.6
3.0
[main performance indicators]
Control accuracy%
±5
Allowable discharge
Leakage
Hard seal (L/H)
Single seat (IV): 10-4 valve rated capacity: two seater, sleeve (grade II), less than 5 * 10-3 * valve rated capacity
Soft seal
(ml/min)
DN(mm)
20
25
32
40
50
65
80
100
125
150
200
0.15
0.3
0.45
0.6
0.9
1.7
4.0
6.75
[main technical parameters]
Nominal diameter DN (mm)
20
25
32
40
50
65
80
100
125
150
Rated flow coefficient Kv
Single seat and sleeve
7
11
20
30
48
75
120
190
300
480
Two seater
 
12
22
33
53
83
132
209
330
528
Allowable pressure difference (MPa)
1.6
1.0
0.5
Nominal pressure (MPa)
1.6 4.0
Inherent flow characteristics
Quick opening
Working temperature centigrade
≤300
Suitable medium
Gas, steam, low viscosity liquids
Flange size and type
PN10, 16, GB9113-88 convex PN40 concave
Or according to the user's requirements, the selection of other standard types of flanges (such as: ANSI, JIS, DIN and other standards)
Structural length
According to GB12221-89 standard
Temperature setting range centigrade
0~70 50~120 100~170 150~220
Temperature transfer coefficient (mm/ C)
0.8
Time response constant s
120
Over temperature protection temperature
Setting the upper limit of temperature range +50
Warm pack material
brass
[dimensions and weight]
Nominal diameter (DN)
20
25
32
40
50
65
80
100
125
150
Flange distance L
 
 
 
 
 
 
 
 
 
 
Total height H
 
 
 
 
 
 
 
 
Warm pack insertion depth T
430
630
Exposure height of warm pack H
350
Warm joint
G1 , G1 1/4
Capillary length m
3,5,8,15 (can be supplied according to user's requirement)
Temperature package diameter D
25 (sheath diameter 28)
Weight (Kg)
8
10
13
15
18
30
35
60
75
85