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Electric Diaphragm Control Valve Corrosion Resistance Fireproof

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Electric Diaphragm Control Valve Corrosion Resistance Fireproof

Brand Name : WEYO

Model Number : ZDLT

Place of Origin : China

MOQ : Negotiable

Price : Based on oroiect reauirements

Payment Terms : L/C, T/T

Supply Ability : 5000 units per month for small parts. 1000 units per month for large parts

Delivery Time : 7 - 15 days for small orders, 15 - 30 days for large orders

Packaging Details : Customized packaging to protect products

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ZDLT Electric Diaphragm Control Valve
The ZDLT type electric diaphragm control valve consists of an electronic actuator and a diaphragm control valve. It is powered by a 220V AC power supply and receives a standard 4-20mA DC electrical signal to realize flow regulation and control of corrosive media such as strong acids and alkalis, as well as high-viscosity and harmful media in process pipelines. It is applied in corrosion-resistant systems such as petroleum, chemical industry, and metallurgy.

Product features: The valve has small flow resistance and large flow capacity, no stuffing box, no external leakage, and features corrosion resistance, fire resistance, poison resistance, safety and reliability. Good corrosion resistance can be obtained according to different linings and diaphragms.
Main Technical Parameters
Nominal diameter
DN(mm)		 15 20 25 32 40 50 65 80 100 125 150 200 250
rated flow coefficient Kv 8 12 16 38 60 68 90 150 300 500 600 1200 2000
nominal pressure MPa 1
actuator Type Ⅱ 381LSA-20 381LSB-30 381LSB-50 381LSC-65 381LSC-99
output shaft thrust (N) 2000 3000 5000 6500 10000
working stroke mm 10 16 25 40 60
allowable pressure difference MPa P1=△P 1 0.89 1 1 1 1 1 0.6 0.38 0.15 0.057
P1=P2 1 0.44 1 1 0.75 0.9 0.55 0.3 0.19 0.075 0.028
flange standard JB/T79.1-94
flow characteristic approximately quick opening (regulating type)
power supply voltage 220V50Hz
factory state

Electrically open; if electrically closed is required,

it should be specified in the purchase contract.
Performance Indicators
Item Index values
Basic error (%) ≤±3.5
Hysteresis (%) ≤2.5
Dead band (%) ≤3
Deviation of start and end points (%) ±2.5
Rated stroke deviation (%) 2.5
Pure lag ≤1S
Allowable leakage (L/h) 0 for rubber diaphragms, 0.5% for polytetrafluoroethylene diaphragms, and the rated capacity of the valve (water under allowable pressure difference)
Insulation resistance Not less than 20 MΩ
Damping characteristic not more than three and a half cycles
Valve body material lining material diaphragm material operating temperature applicable occasions
HT200 无 chloroprene rubber 0～65℃ non-corrosive occasions, abrasives, mud
HT200 F46 fluororubber -20～+180℃ Strong acids, strong alkalis, strong oxidants, and general organic solvents
ZG1Cr18Ni9Ti F46 F46 -20～+200℃ It has better corrosion resistance than the above.
Valve body material 无 fluororubber -20～+180℃ Media such as general acids, alkalis, and organic solvents
Note: The valve body can be made of other corrosion-resistant materials. In this case, the diaphragm is made of F46, and the operating temperature ranges from -20℃ to +200℃.

Overall dimensions Unit: mm

Nominal diameter
DN(mm)		 ZDLT type
A H H1 L
15 180 562 48 140
20 568 53 145
25 578 58 155
32 593 68 165
40 600 73 190
50 610 80 210
65 630 90 240
80 225 688 98 270
100 703 108 335
125 415 810 123 375
150 835 140 410
200 896 168 540
250 993 200 650

Codes for valve body material, lining and diaphragm

Base and lining HT200 ZG1Cr18Ni9Ti diaphragm
none lined with F46 lined with F3 chloroprene rubber chlorinated rubber F46
code 1 3 2 4 1 3 2

Product Tags:

Electric diaphragm control valve

      

Corrosion Resistance diaphragm control valve

      

Fireproof diaphragm operated valve

      
Wholesale Electric Diaphragm Control Valve Corrosion Resistance Fireproof from china suppliers

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