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ZLRP. M Intelligent Electric Control Valve
Caliber range: DN20-300mm Pressure range: PN1.6-6.4MPa Applicable temperature: -60~650 ℃ Product application: ZLRP. M intelligent electric regulating
Product details
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ZLRP. M Intelligent Electric Control Valve
1、 Product Details
Product model: ZLRP.M
Product Name: Intelligent Electric Control Valve
ZLRP. The M intelligent electric regulating valve is a pressure balanced regulating valve. Equipped with RQM series intelligent electric actuators, it has a compact overall structure, light weight, good stability, and high protection level. Therefore, it is widely used in automatic control systems such as large thermal power plants, chemical plants, water and sewage treatment, natural gas oil fields, steel plants, etc.
2、 Main component materials
Valve body and valve cover
HT200、ZG230—450、ZG1Cr18Ni9Ti
Valve core and seat
1Cr18Ni9Ti, Si Ti Lai alloy overlay welding
Valve stem, push rod
2Cr13, 1Cr18Ni9Ti
Lining
2Cr13
Packing material
Polytetrafluoroethylene, flexible graphite, stainless steel ripple
3、 Main technical parameters of electric actuator
Output thrust
44～550KN
Output adjustment thrust
5.71～47.05KN
Output rated closing thrust
8.4～63.15KN
Basic error of position control
(Set travel time ≥ 25 seconds) ± 1%
Repeatability error
(Set travel time ≥ 25 seconds) ≤ 1%
Dead zone
Adjustable from 0.1% to 9.9%
Starting frequency at rated load output
1200 times/hour
Input signal
4-20mA/100 Ω, 2-10mA/100 Ω, DC24V switch quantity.
power supply
380±10%VAC，50Hz
Relative temperature
≤95%
ambient temperature
-30℃～+70℃
Explosion proof grade
ExdⅡBT4
Anti expansion level
Anti expansion level: IP65
Both input and output channels adopt optoelectronic isolation
4、 Main technical parameters of the regulating mechanism
Nominal diameter DN (mm)
(Valve core diameter dn)20
25
32
40
50
65
80
100
125
150
200
250
300
(10)
(12)
(15)
(20)
Rated flow coefficient Kv
straight line
1.8
2.8
4.4
6.9
11
17.6
27.5
44
69
110
176
275
440
690
1100
1760
Equal percentage
1.6
2.5
4.0
6.3
10
16
25
40
63
100
160
250
400
630
1000
1600
Rated travel L (mm)
10
16
25
40
60
100
Inherent flow characteristics
Straight line, equal percentage
Inherent adjustable ratio R
50:1
Allowable leakage amount
Hard valve seat: Grade IV, soft valve seat: Grade VI
Nominal pressure PN (MPa)
1.6, 4.0, 6.4
Working temperature t (℃)
Normal temperature type
-20-200- 40-250- 60~250
Heat dissipation type
-40-450- 60~450
High temperature type
450~560
Low temperature type
-60-100, -100 to -200, -200 to -250
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