Information about semi-hermetic Duplex Compressors (special features, scope of supply, accessories, type key). Duplex Compressors allow a parallel installation of two compressors. One of the compressors can be switched on or off so that further capacity gradation is possible.

1. Bock Duplex Compressors
Semi-hermetic Duplex Compressors
GEA Refrigeration Technologies

2. Duplex Compressors
Parallel installation of two compressors
One of the compressors can be
switched on or off
Duplex
Compressors
Further capacity gradation is possble
DHG12P – DHG34e:
Continuous variable speed control is
possible
Bock Duplex Compressors GEA Refrigeration Technologies

3. Special features
Adjacent set up
Emergency operation No separate oil-gas
with one compressor is compensator required
possible
Each compressor has
its own connection on
the suction gas side
(shut-off valve)
Bock Duplex Compressors GEA Refrigeration Technologies

4. Scope of supply and accessories
Two HG or HA semi-hermetic reciprocating compressors
(mounted and fixed on a base frame adjacent to one
another)
Fitted with pipes on the
suction side Scope of supply and Rubber plates
(with shared suction pipe accessories (included as accessoires)
connection)
Bock Duplex Compressors GEA Refrigeration Technologies

5. Type key – Duplex Compressors
Bock Duplex Compressors GEA Refrigeration Technologies