06EM150 15HP R22 R134a Industrial Semi Hermetically Sealed Compressor for AC

The 06EM150 semi hermetically sealed compressor is a 15 HP, 4-cylinder reciprocating unit engineered for commercial refrigeration, air conditioning, process cooling, and environmental test chambers.

Featuring high-flow ports and low-pressure valve reeds made from Swedish steel, the valve system maximizes operating efficiency while minimizing mechanical stress. Contoured piston tops align precisely with suction valve recesses to reduce clearance volume, while connecting rods designed with oil flow holes ensure continuous bearing lubrication for extended service life.

To maintain reliable lubrication during critical startup phases, the unit incorporates an automatic reversible positive-displacement vane oil pump that rapidly establishes oil pressure when operating with POE lubricants and HFC refrigerants (including R507, R404A, R134a, R407A, and R407C) or conventional refrigerants (R12, R22, and R502). An oversized oil sump holds excess oil in the crankcase, preventing liquid refrigerant dilution from dropping oil levels below safe lubrication thresholds.

The 06EM150 semi hermetically sealed compressor is equipped with a heavy-duty motor featuring advanced insulation systems and oversized suction gas passages that utilize intake gas to lower motor operating temperatures. Main bearings constructed from steel-backed aluminum alloy or tin-based Babbitt offer high load capacity and corrosion resistance against refrigerant liquid wash. For partial-load demands, the 4-cylinder design supports a 50% suction cutoff energy regulation system that cuts intake to two cylinders, maintaining lower operating temperatures than traditional hot gas bypass setups.

Every semi hermetically sealed compressor in this series holds UL, CSA, and ISO 9002 quality approvals.

• Suction Stop Valve
• Discharge Stop Valve
• Discharge Temperature Protector
• Crankcase Heater (Optional)
• Shock Absorber Springs & Spring Seats
• Terminal Jumper Bars & Fastening Nuts

Coolstart is a modern, large-scale refrigeration enterprise with over 20 years of industry experience. We specialize in supplying reciprocating compressors, semi-hermetic compressors, scroll compressors, rotary compressors, and screw compressors, as well as cold storage equipment, quick-freezing equipment, and ice-making machinery.

Supporting full OEM and ODM customization services, Coolstart serves commercial clients across the United States, Russia, the United Arab Emirates, Saudi Arabia, the United Kingdom, and global markets. Backed by strong technical capability and cost-effective product solutions, we build reliable, long-term partnerships with industrial B2B buyers worldwide.

The 15 HP 06EM150 model is designed for high, medium, and low-temperature applications in commercial refrigeration, air conditioning, process cooling, and environmental chambers, supporting HFC refrigerants (R134a, R404A, R507, R407C, R407A) as well as traditional refrigerants (R22, R12, R502).

The compressor uses a suction cutoff unloading method that cuts off intake gas to two of the four cylinders simultaneously. This provides an energy-efficient 50% step reduction while keeping operating temperatures significantly lower than hot gas bypass designs.

Lubrication is secured by an automatic reversible positive-displacement vane oil pump and an oversized oil sump to prevent low oil levels on startup. Motor thermal protection is ensured by advanced winding insulation, oversized suction cooling channels, and a suction filter mesh.

All product categories supplied by Coolstart are covered by a standard 1-year warranty against manufacturing defects.

Compressors are packaged in export-standard wooden cases. Shipments via sea freight can be supplied pre-charged with refrigerant, whereas air freight deliveries are shipped without refrigerant to comply with international transport regulations.

Coolstart delivers fast-turnaround technical assessments and competitive B2B quotes for commercial cooling projects. Send us your system specifications today, and our engineering team will provide a tailored quote within 8 hours.

Please include the following details in your inquiry:

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