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ZDSG straight stroke electric regulating diaphragm valve
Caliber range: DN15-100mm Pressure range: 1.0MPa Applicable temperature: -20~+200 ℃ Product application: ZDSG type straight stroke electric regulating
Product details
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ZDSG type straight stroke electric regulating diaphragm valve
1、 Product Details
Product Model: ZDSG
Product Name: Straight stroke electric regulating diaphragm valve
The ZDSG type straight stroke electric regulating diaphragm valve has a simple structure, low flow path resistance, larger flow force than other valves of the same diameter, no leakage, and can be used for regulating high viscosity and suspended particle fluids. Depending on the diaphragm material (rubber or polytetrafluoroethylene), it is suitable for regulating strong alkaline and highly corrosive media. Composed of a diaphragm valve paired with a PSL series electric actuator. The electric actuator has a servo system inside, which does not require an additional amplifier. It can be controlled by an input control signal (4-20mA or 1-5VDC) and a single-phase power supply to adjust parameters such as pressure, flow rate, temperature, and liquid level.
2、 Main technical parameters
Execution mechanism: PSL intelligent linear actuator, 3810 electric actuator. For detailed information, please refer to the corresponding actuator
Power supply: 220V ± 10% 50Hz
Protection level: IP65 Basic error: ± 1.0%
Dead zone: ≤± 1.0% Return error: ≤± 1.0%
Valve body nominal diameter: 25~100mm nominal pressure: 1.0MPa3、 Technical parameters
Nominal diameter (mm)
15
20
25
32
40
50
65
80
100
Flow coefficient Kv
8
12
16
28
60
68
90
160
300
Nominal pressure MPa
1.0
Equipped with actuator
PSL202
PSL 204
PSL 208
PSL 210
Travel distance (mm)
10
16
25
40
Allowable pressure difference (MPa)
1.0
4、 Combination of valve body lining and diaphragm material
Valve body material
lining material
Diaphragm Material
Operating temperature
Suitable occasions
cast iron
none
Butyl rubber
0~+65℃
Non corrosive media, water and abrasives; Mud type media
HT20-40
Polytrifluoroethylene
fluororubber
-20~+150℃
Strong acid, strong alkali, strong and general organic solvents, not suitable for mud media
Cast stainless steel
ZG1Cr18Ni9Ti
none
fluororubber
-20~+200℃
General acidic and alkaline organic solvent media
5、 Dimensions and re annotation: Standard for connecting flange: JB/T79.1-94
Nominal diameter (mm)
H1（mm）
L（mm）
H（mm）
Weight (Kg)
15
47.5
140
578
15.5
20
52.5
145
578
16.5
25
57.5
155
578
17.5
32
67.5
165
587
22
40
72.5
190
602
24
50
80
210
642
31
65
90
240
650
54
80
97.5
270
655
59
100
107.5
335
737
73
6、 Model designation description
Z
D
S
G
40
P
G
self-control valve
Type of executing agency:
Displacement characteristics:
Valve structure:
Nominal Pressure
Valve body material:
Temperature type:
D: Representing the PS series
S: Express straight travel
Indicating diaphragm valve
6: Representing 0.6MP
C: Representing carbon steel
G: Indicating medium temperature type
Omit at room temperature
R: Representing the 3810 series
10: Representing 1.0MP
P: Representing stainless steel
Cast iron omission
Three Long Order Notice
1. Product model and name 2. nominal diameter DN (mm) 3. nominal pressure 4. flow characteristics 5. valve body material 6. rated flow coefficient
7. Type of medium and temperature range 8. Pressure difference before and after the valve 9. Power supply voltage and control signal 10. Other special requirements
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