Belimo X8016M.21AA3 - two-way expansion valve

Belimo X8016M.21AA3 – expansion valve

Two-way expansion valve for control in refrigeration and air-conditioning systems. The datasheet indicates suitability for CFC, HFC, HFO and R290 refrigerants, as well as A3 safety class refrigerants (ISO 817).

Key parameters

• Kvs: 4.8 m³/h; connection: internal ODF 16-16 mm soldering sleeve.
• Power supply: AC/DC 24 V; power consumption during operation: 1.5 W; power consumption for cable sizing: 2.6 VA.
• Control: bipolar stepper motor signals (4 wires) from a superheat controller; configured via smartphone using the xBALL Syncra app.
• Motor operating time and safety function operating time: 15 s / 90°; safety shut-off with SuperCap.
• Maximum permissible differential pressure ∆pmax: 3500 kPa; tightness: air-bubble tight, leakage rate A (EN 12266-1).
• Flow characteristic: equal percentage (VDI/VDE 2173); flow possible in both directions.
• Medium temperature: -20...70°C [-4...158°F]; with ZCQ-E: 70...120°C [158...248°F]. Ambient temperature: -30...50°C [-22...122°F].
• IEC/EN IP54 protection rating; IEC/EN protection class III, Safety Extra-Low Voltage (SELV).
• Body: CW617N brass; closing element: AISI 316L stainless steel.
• Mounting from vertical to horizontal relative to the spindle; do not mount with the spindle pointing downwards. Maintenance-free valve, with manual adjustment when the actuator is disengaged.

When selecting the product for applications using flammable refrigerants, the user must verify its suitability for the specific system.