Sperre HV2/210, Instruction Manual

Instruction manual for Water-cooled Air Compressor  HV2/210                                 - 11 -

6. TECHNICAL DATA

T.1. Coolant flows

Shaft speed rpm.

580

-

725

-

875

-

975

Coolant flow l/min. 7-10 bars................................ :

17

-

21

-

26

-

28

Pressure drop across compressor (mm.w.c.)....... :

110

-

180

-

280

-

350

Coolant flow l/min. 15-35 bars.............................. :

21

-

26

-

32

-

35

Pressure drop across compressor (mm.w.c.)....... :

180

-

280

-

440

-

550

T.2. Recommended pressures and temperatures

Recommended minimum inlet temperature Cooling water .................... : 30

o

C

Recommended maximum outlet temperature Cooling water ................. : 60

o

C

Recommended temperature difference.................................................. : 15 - 20

o

C

Recommended cooling water pressure.................................................. : 0.5 - 3.0 bars

Recommended lube oil pressure, warm compressor ............................. : 2.0 - 0.8 bars

Recommended limit switch setting for lube oil pressure/safety stop ...... : 0.8 bars

Normal working pressure one stage 0-10 bars ...................................... : 1.5 - 3.5 bars

Normal working pressure one stage 10-35 bars .................................... : 4.0 - 6.0 bars

Maximum working pressure.................................................................... : 35 bars

Safety valve setting over stage pressure................................................ : 10%

Normal temperature outlet air................................................................. : 30 - 65

o

C

T.3. Torque table

A - Thread diameter (mm)
B - Key width
C -Torque (kpm), clean and lubricated threads
*  - Marker for unbrako screw
** - Marker for BSP threads

Component

A

B

C

Cylinder head ....................................................... :

M20

30

20

Cooler cover ......................................................... :

M16

24

15

Cooler cover ......................................................... :

M12

19

8

Valve cover HP and LP ........................................ :

M16

24

15

Valve clamping screw HP and LP ........................ :

*M20

10

12

Cap lock nut HP and LP ....................................... :

M20

30

10

Big end bearing bolts HP and LP ......................... :

**1/4

22

9-10

Main bearing studs ............................................... :

M12

19

8

Bearing housing, crankcase ................................. :

M10

17

4

Cylinder block to crankcase ................................. :

M22

32

25

Hand hole – Air intake manifold ........................... :

M12

19

8

Crankcase covers................................................. :

M10

17

4