Semi-hermetic Compressor Q 7 19 SK subcritical

Description

FRASCOLD has developed semi-hermetic compressors for subcritical applications, including the low stage of R744 cascade systems and as part of a booster system in commercial refrigeration. All models feature high reliability, safety and performance, as well as an advanced design ensuring a smooth transition from HFC-based systems to CO₂.

Basic Specifications

• Type: semi-hermetic single-stage reciprocating compressor
• Max. operating pressure: 42 bar
• Displacement (m3/h at 50 Hz): 19.12
• Electric motor (kW): 5.50
• Cylinder: 4
• Net weight (kg): 79
• Refrigeration capacity (W): 52,590*

Advantages

• Advanced design: ensuring a smooth transition from HFC-based systems to CO₂ & an easy integration into existing systems
• High efficiency electric motors
• High reliability
• High safety: valve plates with innovative design, an internal relief valve (set point 28 bar), suction and discharge valves (sweat connection), rubber vibration absorbers, oil sight glass and protection devices
• Best protection: coated with an anti-rust protective primer and blue enamel coating; series of PTC thermistors placed into the stator winding of the electric motor and plugged to an electronic control module
• Cost-competitive

* Conditions: 50 Hz; condensing temperature: -10°C; evaporation temperature: -25°C