Shenzhen Ruifujie Technology Co., Ltd. News

⚙️ I. Daily Operating Procedures ​​Startup and Shutdown​​ ​​Crankcase Preheating​​: After prolonged shutdown, the crankcase heater must be powered on for ​​12–24 hours​​ before restarting to prevent frozen oil from mixing with the liquid refrigerant and causing liquid hammer (damage to valve plates...

Seals are critical for the stable operation of refrigeration compressors, as their performance directly affects leakage risk and service life. This guide focuses on material adaptation and industry compliance to help professionals make scientific selections. Nitrile rubber (NBR) seals are suitable ...

Proper Pipeline Connection Proper pipeline connection is the foundation for the stable operation of refrigeration compressors, as improper connection can lead to refrigerant leakage, pressure loss, and even compressor damage. When connecting pipelines, seamless steel pipes with a diameter matching ...

As global environmental policies take effect in 2026, the replacement of low-GWP (Global Warming Potential) refrigerants has become an unavoidable direction for the refrigeration compressor industry. The new policies stipulate that the GWP value of refrigerants used in new compressors must not ...

This practical case focuses on the configuration of a 2HP semi-hermetic piston compressor used in a -18℃ commercial freezer with an approximate volume of 20㎡. The chosen compressor comes with an input power of 1.5kW and a cooling capacity of 4.8kW, which fully meets the freezer’s cooling needs. It ...

On March 21, 2026, U.S. refrigeration equipment manufacturer Zero Zone officially rolled out its Genesys CO₂ Edge Compact condensing unit line for the North American market, a key industry launch that delivers verified natural refrigerant compatibility for commercial and light industrial refrigerati...

❄️ ​​1. Refrigeration System Maintenance​​ ​​Compressor Maintenance​​ ​​Oil Level and Quality Inspection​​: Check the compressor oil level daily (it should be above the halfway mark on the sight glass). The oil should be clear and transparent. If the oil is dirty or discolored (e.g., blackened), ...

⚙️ 1. Startup Phase ​​Water Supply and Initialization: Before turning on the unit, check the automatic water supply device and water tank level (the factory-set water level typically does not require adjustment). After powering on, the water pump starts first to expel air from the water circuit ...

​​Basic Components:​​ A scroll compressor consists primarily of two identical, spiral-shaped scrolls (called involute spirals) nested together. ​​Stationary (Fixed) Scroll:​​ One scroll is fixed in position within the compressor housing. ​​Orbiting (Moving) Scroll:​​ The other scroll is mounted on ...