"> Dorin (Italy) H Series (Semi-Hermetic)
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Dorin (Italy)

H Series (Semi-Hermetic)

Dorin S.p.A. is an Italian refrigeration compressor manufacturer from Compignano (Emilia-Romagna). The H series comprises semi-hermetic reciprocating compressors used on marine cooling systems as an alternative to Bitzer and Copeland. Dorin is one of the pioneers in transcritical CO2 compressors and offers marine-approved CO2 models for future-proof refrigeration systems. Main market: Southern Europe and Asia.

5-50 kW cooling
Capacity
R404A / R407C / R134a / R744 (CO2)
Medium

Components & Design

Component data being added…

Technical Data

type Semi-Hermetic Reciprocating Compressor
variant count approx 6
period start year 1998
drive type Electric (integral motor)
construction Cast iron, semi-hermetic, also available for CO2 transcritical

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Common failures & inspection points

●Valve plate failure from liquid return
●Motor winding burnout from overheating
●Oil return issues at low ambient condensing

Service & Maintenance

Valve inspection every 10,000-15,000 hrs. Oil change annually. CO2 models: high-pressure safety checks per EN 378.

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Replacement Parts

Dorin (Compignano, Italy). European network. Lead time: 2-4 weeks. CO2-rated parts: 4-6 weeks.
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Equipment Model #37723 · ✓ still in production