Freezing times
The freezing times and carbon dioxide requirements given in the table below are
only to be regarded as general guidelines and are valid for a water temperature of
approximately 68 F
°
(20
°
C). The freezing times and refrigerant consumption
values will therefore vary for other temperatures. For freezing liquids in plastic
pipes much longer freezing times are generally required.
Freeze head size Material Freezing time Carbon dioxide
requirement
Number of
freezing
operations
possible per
20 lbs (10 kg)
cylinder per freeze
head
1/8" (10 / 12 mm) steel
copper
1 min.
1 min.
2 oz (60 g)
2¼ oz (65 g)
165
160
1/4" (15 mm) steel
copper
1 min.
2 min.
2½ oz (75 g)
4¾ oz (135 g)
130
75
3/8" (18 mm) steel
copper
2 min.
3 min.
5¼ oz (150 g)
7 oz (200 g)
65
50
1/2" (22 mm) steel
copper
3 min.
5 min.
8 oz (225 g)
11¾ oz (330 g)
45
30
3/4" (28 mm) steel
copper
5 min.
7 min.
12¼ oz (350 g)
15¾ oz (450 g)
29
22
1" (35 mm) steel
copper
7 min.
10 min.
17¾ oz (500 g)
23 oz (650 g)
20
15
1-1/4" (42 mm) steel
copper
11 min.
14 min.
24½ oz (700 g)
31¾ oz (900 g)
15
11
1-1/2" (54 mm) steel
copper
16 min.
24 min.
37 oz (1050 g)
51 oz (1450 g)
10
7
2" (60 mm) steel 29 min. 67 oz (1900 g) 5
Carbon Dioxide
Friendly to the environment: No.
C.F.C.
Important
!
Only use cylinders with dip tube.
Important
!
Insert Injector into the bore of
freeze head and rotate 1/4 turn
to lock in place.
General Wire Spring Co.
1101 Thompson Avenue
McKees Rocks, PA 15136
412/771-6300 Fax: 412/771-2771
C-CS-0504
4
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