Wuhan Grat Control Valve Co., Ltd.
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Electricity Modulated Control Plastic Wafer Type Butterfly Valve
Product Description:
Electricity Modulated Control Plastic Wafer Type Butterfly Valve/IP67/UPVC
Description:
As one of the most common valves, the wafer type electric butterfly valve is suitable for the medium of
water, oil and other liquid medium. The valves with two-way seal function can be installed in any direction
and not be affected by the spatial position and the medium flow.
Specification:
| Body ratings | PN1.0/PN1.6Mpa |
| Body size | DN40-DN800 |
| Seal material | EPDMPTFE |
| Stem seal | NBRHNBR |
| Body material | HT2000/ Gray cast iron, ductile cast iron/QT450 |
| Disc material | Ductile cast iron QT450(electroplating, spray)SUS304 Stainless steelSUS316 Stainless steel |
| Body connections | Wafer |
| Flange | Special flange for butterfly valve |
| Power supply | AC220V 50HZ |
| Control signal | Switch actionmodulation action 4~20mA 0~5V |
| Output signal | Switch position indicationpassive contact feedbackfeedback 0-1KΩ4~20mA 0~5V |
| Operating pressure | PN1.6Mpa |
| Medium Temp | Below120 Celsius degree(The higher level of temperature resistance is prepared) |
| Ambient Temp | Below 50 Celsius degree |
| Flow coefficient(CV) | Please download the data on our website for reference. (Custom flow coefficient depends on the customer's requirement. ) |
| Applicable medium | Water, oil, gas, corrosive medium |
Installation Diagram
| DN (mm) |
L |
D |
K |
N-φD |
H2 |
H1 |
W1 |
W2 | Weight Kg |
| 40 | 33 | 148 | 105 | 4-φ16 | 48 | 210 | 138 | 76 | 5.2 |
| 50 | 43 | 165 | 125 | 4-Φ18 | 80 | 314 | 160 | 137 | 5.9 |
| 65 | 46 | 185 | 145 | 4-φ18 | 89 | 327 | 160 | 137 | 6.3 |
| 80 | 46 | 200 | 160 | 8-φ18 | 95 | 333 | 160 | 137 | 6.7 |
| 100 | 52 | 220 | 180 | 8-φ18 | 114 | 385 | 196 | 145 | 7.8 |
| 125 | 56 | 250 | 210 | 8-φ18 | 127 | 400 | 196 | 145 | 9.3 |
| 150 | 56 | 285 | 240 | 8-φ22 | 139 | 442 | 255 | 182 | 11.1 |
| 200 | 60 | 340 | 295 | 8-φ22 | 175 | 480 | 255 | 182 | 20.3 |
| 250 | 68 | 395 | 350 | 12-φ22 | 203 | 522 | 255 | 182 | 27.3 |
| 300 | 78 | 445 | 400 | 12-φ22 | 242 | 567 | 255 | 182 | 36.8 |
| 350 | 78 | 505 | 460 | 16-φ22 | 267 | 598 | 255 | 182 |
|
| 400 | 102 | 565 | 515 | 16-φ22 | 297 | 648 | 255 | 182 |
|
| 450 | 114 | 615 | 565 | 20-φ26 | 315 | 678 | 255 | 182 |
|
| 500 | 127 | 670 | 620 | 20-φ26 | 348 |
|
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|
|
| 600 | 154 | 780 | 725 | 20-φ30 | 444 |
|
|
|
|
| 700 | 165 | 895 | 840 | 24-φ30 | 528 |
|
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|
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| 800 | 190 | 1015 | 950 | 24-φ33 | 590 |
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The main parts materials of the electric butterfly valve
| Part name | Material |
| Body | WCB,QT450-10,HT200,HT250 |
| Disc | WCB,QT450-10,HT200,HT250,SUS304,SUS316 |
| Shaft | 2Cr13 |
| Seal ring | Nitrile oil-proof rubber,PTFE |
| Packing | Grafoil |
The implementation standards of the electric butterfly valve
| Manufacturing standards | GB/T 122387-89 |
| Flange standards | GB9113-2000,GB17241.6-1998 |
| Structure length standards | GB12221-89 |
| Inspection standards | GB/T 13927-92 |
Control Diagram
Packing & Shipping:
1.Packing: inner with bubble wrap,outer with cardboard box and wooden case.
2.Transportation:by sea, by air,by train.
If you have other requirements, please feel free to tell us.