R522 - Belimo, 3-Way Characterised Control Valve, DN25, External Thread, PN40, KVS 6.3

All Belimo ball Valves with iacs that are in stock are supplied for free or within 1-2 days.

The Belimo R522 is a Valve used in HVAC systems (heating, ventilation, and air conditioning) systems as a control or shutdown Valve . in a circuit that is closed.

The Pressure Nominal of this type of Belimo Valve is PN 40.

This R522 Belimo Valve has a 3 port opening connection.

You can find the best Belimo Valve for your system at the greatest price at iacs.

If you have questions about size or installation, consult the Belimo custom datasheet above or contact iacs through email for personalised assistance.

•     Functional data Flow media Cold and hot water, water with max. 50% volume of glycol
•     Temperature of medium +5°C ... +110°C 1), (lower or higher temperatures on request)
•     Rated pressure ps see «Type overview»
•     Flow characteristic Control path A – AB: equal percentage (to VDI/VDE 2173), n(gl): see «Type overview» Bypass B – AB: linear, flow rate is 70% of kvs value
•     Rangeability Sv See «Type overview»
•     Leakage rate Control path A – AB: Air bubble-tight (BO 1, DIN3230 T3) Bypass B – AB: Approx. 1...2% of kvs value (in relation to the highest value within the DN (e.g. R513)
•     Pipe connector External thread to ISO 228/1
•     Differential pressure Δp_max 350 kPa (200 kPa for low-noise operation), Closing pressure Δp_s 1400 kPa
•     Angle of rotation 90°<) (Operating range of control path A – AB 15 ... 90°<), bypass B – AB 15 ... 70°<)
•     Installation position Upright to horizontal (in relation to the stem)
•     Maintenance Maintenance-free
•     Materials Fitting Forged, nickel-plated brass body
•     Valve cone and stem Stainless steel
•     Stem seal O-Ring, EPDM
•     Ball seat PTFE, O-Ring Viton
•     Characterizing disk TEFZEL
•     Dimensions / Weights see «Dimensions and weights», page 3
•     Motorizing see the complete overview of water solutions
•     ¹⁾The allowed media temperature can be limited, depending on the type of actuator. The correct values can be found in the corresponding actuator data sheets.