Wafer Connection Electric Control Butterfly Valve for Gas / Steam / Oil / Water
Electric high preformance control butterfly valve
General
ZDRWB series high performance butterfly valve brings low cost and light weight to high pressure water, oil, steam, gas and slurry applications, and these valves satisfy a wide range of industrial applications, such as in chemical, power, light textile, food, pharmaceutics, pulp and paper and other severe application.
Feature:
- High quality one piece casting which provides consistent uniformity;
- High performance shutoff and modulating service for standard industrial process lines;
- Principle of seat sealing :soft seat or metal seat which meet the different application;
- Both wafer and lugged body styles available
Table 1 Main Performance Parameter
| No. | Item | Pneumatic Type | Electric Type |
| 1 | Basic error(%) | ±2.5 | ±2.5 |
| 2 | Backlash(%) | 2.5 | 2.0 |
| 3 | Deadzone(%) | 2.0 | 3.0 |
| 4 | Beginning and ending deviation(%) | Beginning | ±2.0 | ±1.5 |
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