Category:
Actuator
A851 Electrical Regulating Ball Valve
This product is suitable for central air conditioning, heating cold and hot water systems, steam humidification, etc.
The A851 Electrical Regulating Ball Valve serves as an automatic control valve in HVAC water systems. It offers adjustable flow, high reliability, and a long lifespan, featuring a graphite-reinforced sealing ring and dual EPDM stem seals. With an integrated butterfly valve, it handles reverse pressure and has equal percentage flow characteristics. It has a high cut-off force of 1.4MPa, a rated working pressure of PN20, and a maximum pressure difference of 0.35MPa. It includes a manual actuator short-circuit button and operates within 5 to 121 °C.
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Additional information
| Adjustable ratio of valve | ＞100 |
|---|---|
| Max. allowable pressure difference | 0.35Mpa |
| Max. cut off pressure difference | 1.4Mpa |
| Bearing pressure of valve body | 1.6Mpa flange,2.0Mpa screw thread |
| Temperature(Medium) | -5…+120℃[+23…+248℉] |
