Belimo X8035M.2A323 - two-way control valve for refrigerants

Belimo X8035M.2A323 – refrigeration control valve

Two-way control valve designed to regulate refrigerant flow. The data below applies to model X8035M.2A323.

Key features and specifications

• Kvs: 4.8 m³/h; flow characteristic: equal percentage (VDI/VDE 2173).
• Connection: internal ODF 35-35 mm soldering sleeve.
• Permissible operating pressure ps: 5000 kPa; maximum differential pressure ∆pmax: 3500 kPa.
• Suitable for A3 safety class refrigerants (ISO 817) and CFC, HFC, HFO and R290.
• Rated voltage AC/DC 24 V; modulating control, Y signal range 0.5...10 V and feedback signal U 0.5...10 V.
• Motor running time: 15 s / 90°; power consumption during operation and at rest: 0.3 W; for cable sizing: 0.6 VA.
• Electrical connection: 3 m cable, 4x 0.34 mm²; degree of protection IEC/EN IP40; protection class IEC/EN III, Safety Extra-Low Voltage (SELV).
• Medium temperature: -20...70°C [-4...158°F]; with ZCQ-E: 70...120°C [158...248°F]. Ambient temperature: -30...60°C [-22...140°F], without radiation.
• Tightness: air-bubble tight, leakage rate A (EN 12266-1).
• Body: CW617N brass; closing element: AISI 316L stainless steel.
• Mounting position: from vertical to horizontal relative to the spindle; installation with the spindle pointing downwards is not permitted. Flow is possible in both directions.

When used with flammable refrigerants, the user must check the product’s suitability for each specific application.