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Electronic single-seat electric control valve (explosion-proof type)

Products > Control valve > Electronic single-seat electric control valve (explosion-proof type)

Electronic single-seat electric control valve (explosion-proof type)

Model: ZDLP
Nominal diameter: DN20 ~ 300mm
Nominal: PN0.6 ~ 6.4MPa
Operating Temperature: -40 ~ 230 ℃ (Std), plate-fin 230 ~ 450 ℃ (medium Temperature), -100 to special order 600 ℃
Main material: WCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M
Drive: motor
Design criteria: GB / T17213
Inspection standards: GB / T4213
Flange standard: JIS B220, JB / T79, ANSI B16.5-1981 , GB / T9113, HG20594-97, HG20618-97 and the like
Contact purchase
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DLP electronic electric single-seat control valve Overview
 ZDLP electronic electric single-seat control valve, the PS series and 3610 series of straight-stroke electric actuator and low flow resistance through the single seat valve (also available with other brands of straight-stroke actuator). Electric actuator for the electronic integration structure, with a servo amplifier, the input control signal (4-20mADC or 1-5VDC) and the power supply to control the valve opening, to the pressure, flow, level, temperature and other parameters adjust. With sensitive action, simple connection, large flow, small size, high regulation accuracy. Control accuracy and performance than the DKZ type has significantly improved. 
 Single seat valve for leakage on the strict requirements, the valve before and after the low pressure and a certain viscosity of the occasion. Widely used in electric power, metallurgy, chemical industry, petroleum, environmental protection, light industry, equipment and other industries. 
 

ZDLP electronic electric single-seat regulating valve regulating mechanism of the main technical parameters

Nominal diameter mmG3 / 4 "20253240506580100125150200250300350400
Seat diameter mm34567810121520263240506680100125150200250300With the company to 
negotiate production
Rated flow coefficient kv
Straight0.080.120.200.320.50.81.82.84.46.91117.627.5446911017627544069010001600
Equal percentage





1.62.546.310162540631001602504006309001440
Nominal pressure (MPa)0.6, 1.6, 2.5, 4.0, 6.4
Travel (mm)1016254060100
Flow characteristicsstraight lineStraight line, equal percentage, quick opening
Operating temperature ℃-40 ~ 230 ℃ (room temperature type), heat sink 230 ~ 450 ℃ (medium temperature), special order -100 ~ 600 ℃
Flange sizeIn line with JB78-59, JB79-59 standards, according to JB / 79.1-94, JB / 79.2-94, ANSI, JIS, DIN and other standard production orders
Body materialWCB (ZG230-450), ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti CF8 CF8M
Spool material1Cr18Ni9, SS304, Cr18Ni12Mo2Ti, SS316, ZG1Cr18Ni9Ti
Body typeStraight through the single seat cast ball valve
On the bonnet typeOrdinary (room temperature), heat-chip (medium temperature), long neck (low temperature)
Equipped with electric actuator modelPSLPSL-201PSL-202PSL-204PSL-208PSL-312PSL325
361L361LSA-08,361LXA-08361LSA-20361LSB-30361LSB-50361LSC-65361LSC-99
Explosion-proof361LXA-20361LXB-30361LXB-50

Note: 
 1, Users can provide ANSI, JPI, JPI and other countries Flange standard products, the flange according to the user needs to determine. 
 2, the working temperature, nominal pressure, nominal diameter beyond the scope of the list of products can contact with the company.
 

1, electronic electric single-seat control valve actuator main technical parameters

modelRated output force NSpeed mm / sTechnical Parameters
PSL361LPSL361LPSL361LPSL361L
201361LSA-08 
361LXA-08
1000800 
800
0.254.2 
4.2
Power: AC220V 50Hz 
Input signal: DC4-20mA 
DC1-5V 
(signal line shielded cable) 
Output signal: DC4 ~ 20mA 
Protection class: IP67 
With hand wheel
Power: AC220V 50Hz 
Input signal: DC4-20mA 
DC1-5V 
(signal line shielded cable) 
Output signal: DC4 ~ 20mA 
Protection class: quite IP55 
Flameproof mark: ExdⅡBT4 
with handle
202361LSA-20 
361LXA-20
20002000 
2000
0.502.1 
2.1
204361LSB-30 
361LXB-30
45003000 
3000
0.503.5 
3.5
208361LSB-50 
361LXB-50
80005000 
5000
1.001.7 
1.7
312361LSC-651200065000.602.8
325361LSC-9925000100001.02.0

 

2, ZDLP electronic electric single-seat control valve performance indicators  

projectIndex value
Basic error%With 3610L ± 2.5; with locator ± 1.0
Backlash%With 361L ± 2.0; with PSL ± 1.0
dead zone%1.0
Always point deviation%ElectricityStart point± 2.5
end± 2.5
Power offStart point± 2.5
end± 2.5
Adjustable range50: 1
Rated travel deviation%2.5
Discharge volume L / HComplies with JB / T7387-94 Class IV less than the rated capacity of the valve × 10-4

 

3, ZDLP electronic electric single-seat control valve to allow pressure

Nominal diameter (mm)202540506580100150200250300
Seat diameter (mm)10121520253240506580100125150200250300
Execution agencyAllowable pressure difference △ P (MPa)
With PSLPSL2026.46.46.44.903.141.921.230.78







PSL204




4.312.761.761.040.690.44




PSL208







1.861.230.780.500.350.20

PSL320










1.260.870.490.320.22
With 361L361LSA-206.46.46.44.903.141.921.230.78







361LSB-50




4.793.061.961.160.760.49




361LSC-65







1.510.990.640.410.28


361LSC-99










0.630.440.250.160.11

Note: The actual configuration needs to be based on specific process parameters. If the pressure difference is clear or the maximum working pressure is outside the range of the list, please contact us and take appropriate measures to resolve

 

4, ZDLP electronic electric single seat control valve dimensions                                      

Nominal diameter (mm)202540506580100150200250300
L (mm)PN1.6MPa181184222254276298352451600720820
PN4.0MPa194197235267292317368473600760850
PN6.4MPa206210251286311337394508650800870
H1 (mm)67728792105110127174209300350
With PSLH (mm)normal type7387507657678458578751025104512521545
Heat sink type8889009309371025104210851285130518051825
D (mm)176225
Weight (KG)15172429496182150211370570
With 361LH (mm)normal type5015136506527707828001080112513451365
Heat sink type65166381582295096710101340138516251645
D (mm)225310
Weight (KG)23243944647697203264418618


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