Description
This is a Belimo 3-way characterized ball valve with a nickel-plated brass housing and EPDM sealing. The bore diameter of the valve is DN 15 and the flange size is DN 15. With its integrated characterizing disc, it ensures equal percentage flow control, enabling precise and consistent regulation of fluid flow. The maximum pressure differential is 1 bar (14.5 psi). The valve can operate between -10 and 100 °C (14 to 212 °F). The Kv value of the valve is 1.6 m3/h, equivalent to a Cv-value of 1.85 gpm. The actuator requires a supply voltage of 24 V AC/DC. The actuator features two-point and three-point control. The actuator opens/closes the valve in 75 seconds. The actuator has an IP54 rating.
The actuator, equipped with overload protection, doesn’t need limit switches and will stop automatically when the end stop is reached. Manual override is possible with a magnet, which disengages the gear train as long as the magnet sticks to the magnet symbol. A Z-MA magnet for gear train disengagement is included. The actuator can be directly mounted on the ball valve using a single screw. The mounting orientation relative to the ball valve can be chosen in 90° increments. The actuator can be adjusted from 90° (A-AB = 100%) in increments of 2.5°. The scale represents 25-100% of the kvs value.
Pros:
- The integrated characterized disc ensures equal percentage flow, ideal for heating circuits
- Manual override
- The actuator is overload protected
- Visual position indicator
Cons:
- The time to open/close of 75 s is slow for some applications
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