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Heavy Duty Ammonia Compressors
superfreez
COMPRESSOR MODEL
No. of Cylinders
Bore X Stroke mm(in)
Swept volume cu.m/hr (cu.ft/hr)
Connection size mm (in)
Weight including flywheel Kgs.
Speed
RPM
Maximum Discharge Pressure Kg/sq.cm (Lb/sq.in)
Min.
Nor.
Max
Suction
Discharge
4 ½ x 4 ½
2
114.3x 114.3
(4 ½" x 4 ½:)
58.5
(2066)
32
(1 ¼")
32
(1 ¼" )
700
375
400
450
17.58
(250)
5 ½ x 5 ½
2
139.7 x 139.7
(5 ½" x 5 ½")
108.5
(3839)
40
(1 ½")
40
(1 ½")
1050
375
400
450
17.58
(250)
6 ½ x 6 ½
2
165.1 x 165.1
(6 ½" x 6 ½")
169.6
(5994)
50
(2 ½")
50
(2 ½")
1250
360
375
400
17.58
(250)
7 ½ x 7 ½
2
190.5 x 190.5
(7 ½" x 7 ½")
249.7 (8822)
65
(2 ½")
65
(2 ½")
2150
360
375
400
17.58
(250)
8 ½ x 8 ½
2
215.9 x 215.9
(8 ½" x 8 ½")
339.9 (11798)
80
(3")
80
(3")
2700
360
375
400
17.58
(250)
SPECIFICATION AMMONIA COMPRESSORS
MODEL
NOMINAL DIMENSION MM.(IN)
A
B
C
D
E
F
4 ½ x 4 ½
889(35")
508 (20")
940 (37")
610 (24")
102 (4")
235 (9 ¼")
5 ½ x 5 ½
1144 (45")
661 (26")
1270 (50")
762 (30")
127 (5")
267 (10 ½")
6 ½ x 6 ½
1371 (54")
813 (32")
1371 (54")
897 (35 ½")
178 (7")
305 (12")
7 ½ x 7 ½
1422 (56")
980 (40")
1652 (65")
1125 (44 ½")
178 (7")
343 (13 ½")
8 ½ x 8 ½
2007 (79")
1041 (41")
1626 (64")
1068 (42")
257 (10 ½")
432 (17")
CAPACITY CHART FOR SLOW SPEED COMPRESSORS
Compressor Model
S.S.T.
(Deg.C)
KG/CM2
Kcal./Hr (TR)
SDT (+38 Deg.C)
KW (HP)
SDT (+38 Deg.C)
Kcal//Hr. (TR)
SDT (+45 Deg.C)
KW (HP)
SDT (+45 Deg.C)
4-1/2x4-1/2
0 (3.4)

-5 (2.6)

-10 (1.9)

-15 (1.4)

-20 (0.9)

-25 (0.5)
40800 (13.5)

33500 (11.0)

27000 (8.9)

22000 (7.3)

17000 (5.6)

13000 (4.3)
9.7 (13.0)

9.1 (12.2)

8.5 (11.5)

8.1 (10.8)

7.3 (9.0)

6.8 (9.2)
38750 (12.8)

31800 (10.5)

25650 (8.5)

20900 (6.9)

16150 (5.3)

12350 (4.1)
11.4 (15.3)

10.6 (14.2)

9.6 (12.9)

8.9 (11.9)

8.1 (10.9)

7.7 (10.3)
5-1/x5-1/2
0 (3.4)

-5 (2.6)

-10 (1.9)

-15 (1.4)

-20 (0.9)

-25 (0.5)
74300 (24.6)

61500 (20.4)

49000 (16.2)

40000 (13.3)

31500 (10.4)

25300 (8.4)
18.7 (24.2)

17.1 (23.0)

16.0 (21.5)

14.9 (20.0)

13.4 (18.0)

12.7 (17.0)
70600 (23.4)

58500 (19.3)

47000 (15.6)

38000 (13.2)

30000 (9.9)

24000 (7.9)
90.5 (26.1)

18.5 (24.8)

17.8 (23.9)

16.6 (22.3)

15.1 (20.2)

14.0 (18.8)
6-1/x6-1/2
0 (3.4)

-5 (2.6)

-10 (1.9)

-15 (1.4)

-20 (0.9)

-25 (0.5)
124600 (41.3)

101600 (33.6)

80500 (26.7)

66500 (22.0)

52200 17.3)

40000 (13.2)
26.8 (36.0)

24.6 (35.5)

25.1 (33.7)

23.3 (31.2)

20.1 (28.1)

19.5 (26.1)
118400 (39.2)

90500 (30.0)

76500 25.3)

63200 (20.9)

49600 (16.4)

38000 (15.6)
29.5 (39.5)

28.9 (38.7)

28.0 (37.5)

26.2 (35.1)

23.4 (31.3)

21.2 (28.5)
Compressor Model
S.S.T.
(Deg.C)
KG/CM2
Kcal./Hr (TR)
SDT (+38 Deg.C)
KW (HP)
SDT (+38 Deg.C)
Kcal//Hr. (TR)
SDT (+45 Deg.C)
KW (HP)
SDT (+45 Deg.C)
 
7-1/2x7-1/2
 
0 (3.4)

-5 (2.6)

-10 (1.9)

-15 (1.4)

-20 (0.9)

-25 (0.5)
 
189400 (62.7)

157700 (56.5)

125500 (41.6)

102200 (33.8)

78000 (25.8)

68700 (22.8)
 
44.0 (59.1)

42.2 (56.5)

38.0 (51.0)

25.4 (47.5)

32.5 (43.2)

29.9 (40.1)
 
179900 (59.6)

149800 (49.6)

119200 (39.5)

97100 (32.2)

74100 (24.5)

65300 (21.6)
 
48.4 (64.8)

46.8 (62.2)

41.8 (56.0)

35.9 (52.1)

35.4 (47.5)

32.8 (44.0)
 
8-1/2x8-1/2
 
0 (3.4)

-5 (2.6)

-10 (1.9)

-15 (1.4)

-20 (0.9)

-25 (0.5)
 
292200 (96.8)

241500 (80.0)

192000 (63.6)

157000 (52.0)

120500 (39.9)

97400 (32.2)
 
58.9 (79.0)

57.8 (77.5)

56.0 (75.0)

51.3 (68.8)

46.2 (62.0)

40.6 (54.5)
 
277600 (91.9)

229400 (76.0)

182600 (60.5)

149100 (49.4)

114500 (37.9)

92500 (30.6)
 
96.5 (93.2)

68.2 (91.4)

66.1 (88.6)

60.5 (81.1)

54.4 (73.1)

49.9 (64.2)


* The capacities and KW given are at 400 RPM. For other speeds use formula given below :-
RPM : 375 RPM :-  450 RPM :-
Capacity: Multiply by 0.94 Multiply by 1.125
BHP: Multiply by 0.96 Multiply by 1.15
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