Technical Specifications – Dorin H281SB

Compressor Model: H281SB

Series: Dorin H Series

Compressor Type: Semi-Hermetic Reciprocating Compressor

Number of Cylinders: 2

Displacement

50 Hz: 19.90 m³/h

60 Hz: 23.88 m³/h

Oil Charge: 2.0 L

Suction Connection: 28 mm

Discharge Connection: 16 mm

Net Weight: 54 kg

Compatible Refrigerants

The Dorin H Series compressors support a wide range of refrigerants including:

R404A

R507A

R448A

R449A

R452A

R407C

These refrigerants allow the compressor to operate efficiently in low temperature refrigeration systems.

Key Features

✔ High-capacity semi-hermetic piston compressor

✔ Designed for low temperature refrigeration applications

✔ Low vibration and quiet operation

✔ Durable valve plate design for long service life

✔ IP65 electrical junction box protection

✔ Compatible with inverter operation (30–70 Hz)

✔ Advanced oil circulation system

✔ Suitable for modern HFC refrigerants

Typical Applications

The Dorin H281SB compressor is commonly used in:

• Walk-in freezer rooms

• Frozen food storage facilities

• Industrial refrigeration systems

• Supermarket freezer systems

• Blast freezer equipment

• Commercial freezer storage

• Cold chain logistics refrigeration

Advantages

The Dorin H Series compressors provide several advantages:

• Reliable semi-hermetic compressor design

• High refrigeration efficiency for low temperature systems

• Reduced noise and vibration

• Long service life

• Wide refrigerant compatibility

• Flexible operation using inverter technology

These benefits help improve refrigeration system efficiency and reduce operating costs.

Shipping & Availability

This compressor can be shipped worldwide via:

Air freight

Sea freight

Express courier

Delivery available for New Zealand, Australia, USA, Middle East, and international markets.