1. TECHNICAL DATA & OVERALL DIMENSIONS
KC42, KC51, KC63, KC72, KC84, KC93, and
KC102.
1.1 GENERAL DATA
Single Stage Compressors can also be used as booster
These KC series compressors are heavy duty open
compressor for ammonia applications..
type, designed for use with refrigerant R22,
R134a, R502, and ammonia. There are two
The refrigeration capacity of each compressor is
versions of compressors with following models
controllable in various steps by means of high oil
pressure control piping and solenoid valves. These
a. Single Stage Compressors-KC2, KC3,
solenoid valves can be operated manually or by remote
KC4, KC6, KC9, and KC12
control electrical signals.
b. Two Stage compressors-KC21, KC31,
1.3 General Technical Data : (Two Stage Compressor)
Sr.No. Description Compressor Type
KC21 KC31 KC42 KC51 KC63 KC72 KC84 KC93 KC102
01. No. of Cylinders-LP 2 3 4 5 6 7 8 9 10
No. of Cylinders-HP 1 1 2 1 3 2 4 3 2
02. Cylinder Bore mm-LP 160
Cylinder Bore mm-HP 160
03. Piston Stroke mm 110
04. Cylinder Arrangement 1xW 2xV 2xW 2xW 3xW 3xW 4xW 4xW 4xW
05. Direction of Rotation Antlclockwise looking from flywheel end
06. Standard Compressor Speeds 450, 500, 550, 600, 650, 700, 750,
(Motor rpm 1450) 800, 850, 900, 950 and 1000 rpm.
(Motor rpm 1000) 400, 450, 500, 550, 600, 650, 700. 750, 800, 850, 900, 950, & 1000 rpm.
07. Capacity control steps Ref. Chapter No.5 for each compressor
08. Oil Charge Capacity (Itrs) 10 12 13 13 20 20 32 32 32
09. Bare Compressor Weight (Kg) 535 665 900 900 1245 1245 1585 1585 1585
10. Overall Dimn. & space requirement Ref. Page No.6
11. Connection Sizes
LP Suction (mm) 65 80 80 100 100 125 125 125 125
Stop Valve sizes (NB) 70/80 80 80/100 100 100 100/125SPL100/125SPL100/125SPL100/125SPL
LP Discharge/HP Suction size (mm) 65 65 65 80 80 65 80 80 65
HP Discharge size (mm) 50 50 50 50 50 50 50 50 50
Stop Valve size (NB) 50/70 50/70 50 50 50 50 50 50 50
12. Cooling Water Flow 8 LPM/Cyl. at water inlet temperature 30 Deg. C.
for each Cyl. Jacket 15 LPM/Cyl. at water inlet temperature 30 Deg. C.
13. Recommended liquid Injection valve
For Ammonia TEA TEA TEA TEA TEA
20-2 20-3 20-5 20-5 20-8
For R22 TX TEX TEX TEX TEX
2-2.3 5-3 5-3 5-4.5 5-7.5
1.2 GENERAL TECHNICAL DATA (single Stage Compressor)
Sr.No. Description No. Compressor Type
KC2 KC3 KC4 KC6 KC9 KC12
01. No. of Cylinders 2 3 4 6 9 12
02. Cylinder Bore mm 160 160 160 160 160 160
03. Piston Stroke mm 110 110 110 110 110 110
04. Cylinder Arrangement 1xV 1xW 2xV 2xW 3xW 4xW
05. Swept Vol. at 1000 rpm, m3/hr 265.4 398.1 530.8 796.2 1194.3 15.92.4
06. Direction of rotation Anticlockwise looking from flywheel end
07. Standard Compr. Speeds 450, 500, 550, 600, 650, 700, 750, 800, 850,
(Motor rpm 1450) 900, 950, & 1000 rpm.
(Motor rpm 1000) 400, 450, 500, 550, 600, 650, 700, 750,
800, 850, 900, 960 and 1000 rpm.
08. Capacity control steps Ref. Chapter No.4 for each compressor
09. Oil charge capacity (Ltrs) 9 10 12 13 20 32
10. Bare Compressor Weight (Kg) 435 535 665 900 1245 1585
11. Overall dimensions and
space requirement Ref. Page No. 5
12. Suc. Conn. Size mm 65 80 80 100 125 150
Stop Valve Size (NB) 70 80 80 100 100/125 SPL 100/150 SPL
13. Disc. Conn. Size mm 50 50 80 80 100 100
Stop Valve Size (NB) 50 50 70/80 INPL 80 100 100
Note: 1. TH. EXPANSION valves shown above are of Danfoss make but equivalent valves of Sporlan or ALCO make can be used.
2. Above TH. EXPANSION valves are for full capacity of compressor at 1000 RPM. For other speeds, please refer to KPCL. (H.O.)
3. Jacket Cooling Water must be drained out while compressor is off.
4. In case of direct drive at 1000 rpm compressor speed with 6 pole synchronous motor, please refer KPCL for drive set arrangement.
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