Grasso screw compressor SH series

The Grasso SH series comes in four sizes can cover swept volumes ranging from 231 to 372 m3/h. The simple design is owed by the integration of the complete oil management system with only one oil connection and important package elements in the compressor. The screw compressors come equipped with connections for monitoring pressure and temperature, for position displays on the control screen, and for controlling the integrated solenoid valve assembly for combined Vi part load adjustment.

The direct assignment of the solenoid valves to Vi and part load regulation and the connection of pressure and temperature sensors on the compressor ease assembly and service work on the package. The parallel slide system allows for Vi optimization and part load adaptation to take place simultaneously and independently of one another. It means that even in part load operations a low-loss work process is possible for the screw compressor.

Technical features:

Integration of package components
Integration of oil management system
Compact design
Suitable for all standard DIN-flange motors
Rotors fully bedded on roller bearings

Capacity and Vi control by parallel slide system



Grasso SH
Compressor- type¹⁾	Swept volume²⁾	28 bar compressor²⁾ (kW)		52 bar compressor²⁾ (kW)
	(m³/h)	Cooling³⁾ NH₃ -35/+35 °C	Cooling NH₃ 0/+35 °C	Cooling CO₂ -50/-5 °C	Heating NH₃ +35/+80 °C
C	231	50	194	226	598
D	265	60	230	268	-
E	321	72	279	312	851
G	372	85	330	369	-

1) regarding swept volume, 2) at 2,940 min^-1 with 5 K superheat and 0 K subcooling, stated temperature values: evaporation/condensation, 3) with economizer

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