All dimensions in mm
All dimensions in mm
COMPRESSOR
TYPE
MAIN CONNECTIONS
hole dia. in counter flange in mm
OTHER CONNECTIONS
for all types
1
2
3
4
5 Suction pressure
6 Crankcase pressure
7 Discharge pressure connection
(single- stage) or interstage pressure
connection (two-stage)
8 Discharge pressure connection
(two-stage)
9 Oil pressure
10 Return oil separator
11 Oil temperature
12 Oil charge and drain valve
13 Cooling water supply
14 Crankcase heating
15 Oil leakage drain of rotary
shaft seal
clamp coupling for
6 x 1 mm steel
precision tube
1/2" BSP female
(plugged off)
1/2" BSP male
1/2" BSP female
with steel precision
tube 12 x 1.5 mm
SINGL
E
ST
AGE
RC29
RC49
RC69
ø55
1
)
ø55
2
)
ø91
ø43
ø62
ø77
–
–
–
–
–
–
TW
O-
STAGE
RC219
RC429
ø55
1
)
ø77
ø43
ø62
ø43
ø62
ø43
ø43
1
) O.D. of suction line: ø62 mm
2
) O.D. of suction line: ø77 mm
Refrigeration Division
Grasso
3. TECHNICAL DATA
v002.97.10.en
Refrigeration Compressors Series RC9
Page 3.3
