Electric Diaphragm Flow Control Valve (GZDLT) /Electric Diaphragm Valve
GZDLT Electric Actuated Diaphragm Type Flow Control valve.
GZDLT Type Electric Diaphgram Control Valve adopts the Diaphragm which fit the raised face of the Valve Body to ensure the sealing. There's no Packing in the valve body. The regulating element is the flexible Diaphragm. The flow port of the diaphragm control valve is very smooth. The lining material and the diaphragm can be made of corrosion resistant material.
Such control valve uses small, strong and high precision electric actuator with On-Off Function or with 4-20mA DC or 1~5V direct current signal to realize valve's proportional action, which is more suitable for the working condition required Corrossion Resistance and Poison-resistance.
Valve Body.
Structure: Cast Straight Through type Diaphragm Valve
Size: DN20~200mm.
Design Pressure: PN10
Connections:flanged type.
Flange Standard: GB/T 9113-2000, JB/T-94, ANSI B16.5, DIN, JIS
Material:WCB,HT200 ZG230-450 ZG1Cr18Ni9Ti.ZG0Cr18Ni12Mo2Ti.
Valve Disc: Diaphragm Soft Sealing
Diaphragm Material: NBR, EPDM, PTFE
Actuator
Type: Electric Actuator
Model: 381LSA/XA-08, 381LSA/XA-20, 381LSB/XB-30, 381LSB/XB-50, 381LSC-65, 381LSC-99
381LSC-160, 381LSC-260
Valve Action: Direct Action, Reaction (Force)
Controlling Action: Proportional Linear Controlling or ON-OFF Controlling.
Input Signal: 4~20mA DC or 1~5V DC
Power: AC220V, 50HZ
Output Signal: 4~20mA DC
Power Consumption: A Type-50VA, B Type--150VA, C Type-220VA
Protection Level: IP55
Wire Connection: Normal S Type--G1/2", Explosion-Proof X Type---G3/4"
Ambient Temperature: Normal---10 Deg C~ 60 Deg C, With Space Heater---35 Deg C~ 60Deg C, Explosion-Proof X Type--- -10Deg C ~40 Deg C
Ambient Humidity: Normal S Type--Below 95%, Explosion-Proof X type--45%-85%
Explosion-Proof: ExdIIBT4
Performance
Raded KV Value: Refer to Table 1
Flowing Features: Linear
Adjusting Range: 30:1
Leakage Rate: Metal Sealing should be below 0.01% ANSI B16.104-1976 Class IV
Soft Sealing should be below 0.00001% ANSIB16.104-1976 Class VI
Allowable Deviation: 1%
Kv,Movement& Action Time
| DN | KV | Motor Model | Output Thrust | Rated Stroke | |
| mm | Unlined | Lined | N | mm | |
| 20 | 9.8 | 7.8 | 381LSA-08/20 | 800/2000 | 8 |
| 25 | 19 | 17 | 381LSA-08/20 | 800/2000 | 10 |
| 32 | 32 | 28 | 381LSB-30/50 | 3000/5000 | 12 |
| 40 | 48 | 41 | 16 | ||
| 50 | 63 | 55 | 24 | ||
| 65 | 108 | 87 | 381LSB-50/SC-65 | 5000/6500 | 30 |
| 80 | 158 | 127 | 34 | ||
| 100 | 270 | 240 | 36 | ||
| 125 | 360 | 311 | 381LSC-99/160 | 10000/16000 | 44 |
| 150 | 518 | 415 | 55 | ||
| 200 | 1114 | 1121 | 65 | ||
Pneumatic Double Seated Control Valve Dimension.
| DN | L | A | B | D | R | H1 | H6 | H2 | H3 | H4 | H5 | Weight (Kg) |
| 20 | 150 | 460 | 230 | 225 | 177 | 126 | 142 | 490 | 373 | 459 | 52.5 | 10 |
| 25 | 160 | 460 | 230 | 225 | 177 | 126 | 142 | 490 | 373 | 459 | 57.5 | 12 |
| 32 | 180 | 460 | 230 | 225 | 177 | 134 | 154 | 490 | 495 | 459 | 67.5 | 15 |
| 40 | 200 | 460 | 230 | 225 | 177 | 157 | 177 | 490 | 495 | 459 | 75 | 17 |
| 50 | 230 | 460 | 230 | 225 | 177 | 167 | 187 | 490 | 495 | 429 | 82.5 | 18 |
| 65 | 290 | 530 | 230 | 225 | 177 | 199 | 226 | 540 | 700 | 520 | 90 | 34 |
| 80 | 310 | 530 | 230 | 255 | 177 | 214 | 241 | 540 | 700 | 520 | 100 | 46 |
| 100 | 350 | 530 | 230 | 255 | 177 | 229 | 256 | 540 | 700 | 520 | 110 | 54 |
| 125 | 400 | 630 | 260 | 310 | 226 | 263 | 290 | 625 | 725 | 570 | 135 | 76 |
| 150 | 480 | 630 | 260 | 310 | 226 | 293 | 320 | 625 | 725 | 570 | 150 | 79 |
| 200 | 600 | 630 | 260 | 310 | 226 | 358 | 385 | 625 | 725 | 570 | 190 | 100 |
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