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HVAC Controls & Components
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Sanhua
4 Way Reversing Vavle Electronic Expansion Valve Driver Electronic Expansion Valve Electronic Shut-off Valve Ball Valve Electronic Expansion Valve Controller Refrigerated Cabinet Controller Pressure Transducer Solenoid Valve Thermostatic Expansion Valve Pressure Control Check Valve Sight Glass Pressure Regulator Liquid Injector Brass Service Valve Charge Valve Filter Drier Drain Pump Accumulator Liquid Receiver Oil Separator
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Fengshen
Pressure Control Differential Pressure Control Temperature Control Flow Switch Pressure Controlled Water Valve Evaporation Pressure Regulating Valve Temperature Controlled Water Valve Solenoid Valve Thermostatic Expansion Valve Temperature Responsive Expansion Valve Constant Pressure Expansion Valve (Hot Gas Bypass) Pilot and Main Valve Forerunner Pressure Regulating Valve Sight Glass
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Sanhua
- HVAC Terminal Units
- Accessories
RFHD ATEX Fans
Description
Centrifugal roof fans, with horizontal air outlet and aluminum hood. ATEX 2G certification with flameproof ExII2G Ex db motor to work in explosive gas.
Fan:
• Support base in galvanised steel sheet, with brass suction mouth according to EN 14986 standard.
• Backward curved impeller made of galvanised sheet steel.
• Bird protection grid.
• Aluminum rain cover.
• Maximum temperature of air to be carried: -25 ºC +80 ºC.
• Standard marking with flameproof motor (Ex db): II 2G Ex h IIB T4 Gb.
Motor:
• Class F motors with ball bearings and ATEX certification flameproof Ex db.
• Three-phase 230/400 V 50 Hz (up to 4 kW) and 400/690 V 50 Hz (powers greater than 4 kW).
• Working temperature: -20 ºC +40 ºC.
Finish:
• Galvanised steel sheet and aluminum.
On request:
• Motors with built-in PTC.
• Special windings for different voltages and frequencies.
• ATEX construction for different categories.
• Ex db flameproof single-phase motors.
