This is a Belimo 2-way characterized ball valve with a nickel-plated brass housing and EPDM sealing. The bore diameter of the valve is DN 15 and the port size is Rp 1/2 inch with female threads. With its integrated characterizing disc, it ensures equal percentage flow control, enabling precise and consistent regulation of fluid flow. The maximum pressure differential is 3.5 bar (50.8 psi). The valve can operate between -10 and 120 °C (14 to 248 °F). The Kv value of the valve is 2.5 m3/h, equivalent to a Cv-value of 2.89 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 35 seconds. The actuator has an IP40 rating.
Manual override is possible using a lever, which disengages the gearing as long as the self-resetting lever is pressed. The actuator has overload protection and automatically stops upon reaching the end stop. In case of blockage, the actuator switches off for seven seconds before attempting to restart. If the blockage persists, the actuator attempts to restart 15 times every two minutes and subsequently only once every two hours. 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.
Pros:
- The integrated characterized disc ensures equal percentage flow, ideal for heating circuits
- Manual override
- Visual position indicator
Cons:
- The time to open/close of 35 s is slow for some applications
Specifications
Connection size : 1/2 inch
Voltage : 24 V AC,24 V DC
Material : Brass
Seal material : EPDM
Control signal : Three-point (open-close),Two-point (open-close)
Max pressure difference (bar) : 3.5
Closing pressure (bar) : 14
Operating time (s) : 35
Connection type : Inner thread cylindrical BSPT-Rp
Ball valve feature : Manual override
Kv value [m3/h] : 2.5
Max actuator torque (nm) : 2
Max temperature (°C) : 120
Min temperature (°C) : -10
Material quality : Dezincification resistant brass (DZR)
Degree of protection (IP) : IP40
Manual override : Yes
Ground characteristic : Equal percentage
Adjustable operating range : No
Allowable relative humidity (%) : 0 % to 95 %
Ambient temperature (°C) : -7 °C to 50 °C
Max. electric power input (VA) : 0.5
Surface protection : Nickel-plated
Transmission : With cogwheels
Degree of protection (NEMA) : 2
Energy consumption at rest (W) : 0
Energy consumption in operation (W) : 0.5
ISO 5211 Direct Mount top flange : No
Voltage : 24 V AC/DC
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