Energy-Saving Screw Refrigeration Compressor

Product Overview

Blait’s YLG20Z-84~YLG40G-118 energy-saving screw compressor is a game-changer in industrial and commercial refrigeration, engineered with advanced screw technology and a durable semi-hermetic construction. This high-efficiency industrial refrigeration compressor delivers stable cooling capacity, low noise, and reduced operational costs, making it ideal for cold storage, food processing, medical refrigeration, and industrial cooling systems. Designed for continuous heavy-duty operation, it adapts to varying load conditions while ensuring precise temperature control—empowering businesses with reliable and cost-effective cooling solutions.

Electrical  Connection

Energy Control , Unloading & Start

Oil Circulation

1.Oil filter:

Maximum allowable working pressure: 31bar, maximum operating temperature: +120℃

Filtration accuracy: 25μm is equal to 500 mesh

2.Oil flow switch:

53 Series uses 6L/min

3.Oil circuit pressure drop:

During normal operation, the pressure drop of the oil cooler and pipeline on the oil side shall not exceed 0.5 bar.

4.Oil temperature control:

During normal operation, the oil temperature is controlled based on discharge temperature of 80 ℃,  it’s generally set between 50-60 ℃.

Kit for oil injection

•Oil filter 

•Oil flow control 

•Solenoid valve 

•Oil sight glass

Compressor protection accessories

Compressor equip:

•motor temperature protection 

•discharge temp. protection 

•phase sequence protection 

•oil flow protection

When required:

•oil temp. protection ; oil pressure protection 

•high pressure protection ; low pressure protection 

•oil level protection ; motor overload protection