The Belimo 8BWW29 is a genuine R2050-S4 series 2-way open/close ball valve assembly, engineered for reliable flow control in HVAC applications. This valve features a DN 50 nominal diameter with Rp 2" internal thread connections, rated for PN 25 pressure and a permissible operating pressure (ps) of 1600 kPa. It integrates an S4A series actuator, operating on AC 24V with 2-point (on/off) control, delivering 20 Nm of torque and a running time of 75 seconds. Designed for tight closing (Leakage rate A), it is suitable for medium temperatures ranging from -10 to 120 °C and has a Kvs value of 63 m³/h. The assembly boasts an IP54 protection class and operates quietly with a maximum noise level of 35 dB(A).
Belimo is a global market leader in the development, production, and marketing of actuator solutions for controlling heating, ventilation, and air conditioning (HVAC) systems. Founded in 1975 in Hinwil, Switzerland, the company has grown to become a recognized specialist in its field, known for its innovative approach to comfort and energy efficiency in buildings. Belimo remains an independent, publicly traded company.
The company's core product lines include damper actuators, control valves, and sensors, all designed to optimize the performance of HVAC systems. Belimo is particularly known for its direct-coupled actuators (DCA) and its range of pressure-independent control valves (PICV), which contribute to precise control and energy savings. Its solutions are integral to modern building automation, ensuring optimal indoor climates and reduced operational costs.
Partao offers a selection of genuine Belimo spare parts, primarily focusing on industrial components that may be found in various machinery or facility applications. Our top categories for Belimo include Bolts & Fasteners, Brackets & Supports, Control Modules, Diagnostic Tools, and Gearboxes. Over 11,220 genuine Belimo spare parts are available at Partao.
Engineers, facility managers, and system integrators worldwide rely on Belimo products for their reliability, precision, and long service life. The brand's commitment to quality and innovation makes its components a preferred choice for critical control applications in commercial, industrial, and public buildings, where consistent performance and energy efficiency are paramount.