"> Bock (Germany) HG Series (Marine)

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Bock (Germany)

HG Series (Marine)

Bock Kältemaschinen is a German manufacturer from Frickenhausen (Baden-Württemberg), specializing in semi-hermetic and open refrigeration reciprocating compressors. The HG series is installed on marine cooling systems as an alternative to Bitzer Ecoline, especially on German and Scandinavian ships. Bock also offers R290 (propane)-approved marine compressors as a solution for refrigerant changeover.

5-80 kW cooling

Capacity

R404A / R407C / R134a / R290 (Propane)

Medium

Components & Design

Component data being added…

Technical Data

type Semi-Hermetic / Open-Drive Reciprocating Compressor

variant count approx 6

period start year 1995

drive type Electric (integral or external motor)

construction Cast iron, modular design

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Common failures & inspection points

●Valve plate failure from liquid slugging

●Motor winding burnout from high discharge temperature

●Oil foaming at startup

●Suction gas filter clogging

Service & Maintenance

Oil level check daily. Valve plate inspection every 12,000-15,000 hrs. Oil change annually. Complete overhaul 30,000 hrs.

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Replacement Parts

Bock (Frickenhausen, Germany). Good European network. Lead time: 2-3 weeks. Some valve parts interchangeable across HG range.

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Equipment Model #37719 · ✓ still in production