Air exit bypass valve is normally installed one the side way from vent pipe. It is used to control the vacuum of system, It is needed to install a solenoid valve or manual valve one the top side of PR type. Air exit bypass valve. The bypass hot air can be connected to several parts of low pressured side. In consideration of good operation, it is better to choose 2 positions, which are to be linRed to sideway connector or connect directly to inspairation line. When you adopt sideway connector, the heat inflation valve’s fuction is same to a superthermal chilling valve. It can maRe sure the inspiration temperature of compressor to be lower than the populized highest temperature regulated by compress manufacturer. When the hot air is linRed directly to insparation line. One assistant superthermal chilling heat inflating valve is needed.
|
Refri
-gant
|
The permitted
Lowest vaporation
temperature
|
Valve type and adjustment range
|
|
PRPTE-1-1/4
|
PRPTE-2
|
PRPTE-3
|
PRPTE-6
|
PRPTE
-8
|
PRPTE
-15
|
|
0/55
|
0/75
|
0/100
|
0/30
|
0/80
|
0/30
|
0/80
|
0/30
|
0/80
|
0/100
Psi
|
0/75
|
|
Psi
|
Psi
|
Psi
|
Psi
|
Psi
|
Psi
|
Psi
|
Psi
|
Psi
|
Psi
|
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
0/3.79 bar
|
|
R22
|
5
|
|
2.04
|
1.86
|
|
12.3
|
|
21.1
|
|
32.2
|
55.3
|
204
|
|
-5
|
1.55
|
2.25
|
1.9
|
|
12.5
|
|
22
|
|
34.8
|
56
|
218
|
|
-15
|
2.22
|
2.11
|
1.72
|
13.7
|
12.9
|
26
|
23.2
|
48.9
|
38.3
|
57
|
232
|
|
-25
|
2.08
|
1.76
|
1.55
|
13.2
|
12.8
|
26.2
|
23.4
|
49.6
|
38.7
|
57
|
243
|
|
R134A
|
5
|
1.41
|
1.51
|
1.19
|
|
9.4
|
|
17.4
|
|
32.9
|
38.3
|
144
|
|
-5
|
1.44
|
1.37
|
1.12
|
9.15
|
8.59
|
17.4
|
15.5
|
32.9
|
25.5
|
38.3
|
151
|
|
-15
|
1.34
|
1.09
|
0.98
|
8.66
|
|
17.2
|
|
33.1
|
|
38.7
|
162
|
|
R401A
|
5
|
1.58
|
1.69
|
1.37
|
|
9.71
|
|
17.4
|
|
28.1
|
43.3
|
183
|
|
-5
|
1.65
|
1.58
|
1.3
|
10.4
|
9.82
|
19.9
|
17.7
|
37.6
|
29.1
|
43.6
|
183
|
|
-15
|
1.55
|
1.27
|
1.12
|
9.96
|
9.64
|
19.8
|
17.6
|
38
|
29.3
|
44
|
197
|
|
R402A
|
5
|
|
|
1.9
|
|
|
|
|
|
|
60.8
|
|
|
-5
|
|
2.29
|
2.11
|
|
13.7
|
|
23.4
|
|
36.2
|
62.3
|
222
|
|
-15
|
2.32
|
2.53
|
2
|
|
14.1
|
|
25.2
|
|
41.2
|
63
|
222
|
|
-25
|
2.43
|
2.22
|
1.83
|
14.8
|
14.2
|
28.5
|
25.8
|
53.8
|
42.9
|
63.3
|
225
|
|
R404A
|
5
|
|
|
1.94
|
|
|
|
|
|
|
61.6
|
|
|
-5
|
|
2.36
|
2.11
|
|
13.7
|
|
23.6
|
|
36.6
|
62.3
|
225
|
|
-15
|
2.35
|
2.5
|
1.97
|
|
14.1
|
|
25.2
|
|
41.2
|
63
|
229
|
|
-25
|
2.39
|
2.15
|
1.79
|
1.47
|
14.1
|
28.4
|
25.6
|
53.8
|
42.6
|
63
|
229
|
|
R407C
|
5
|
|
2.74
|
2.29
|
|
14.9
|
|
26.4
|
|
42.6
|
65.4
|
260
|
|
-5
|
2.15
|
2.74
|
2.22
|
|
14.9
|
|
26.4
|
|
42.6
|
65.8
|
264
|
|
-15
|
2.6
|
2.39
|
1.97
|
15.9
|
15.2
|
30.4
|
27.5
|
57.3
|
45.7
|
66.5
|
267
|
|
-25
|
2.39
|
1.97
|
1.76
|
15.2
|
14.9
|
30.4
|
27.1
|
58
|
45.4
|
67.2
|
271
|
|
R502
|
5
|
|
|
1.62
|
|
11
|
|
18.6
|
|
27.6
|
50.3
|
|
|
-5
|
|
1.97
|
1.72
|
|
11.2
|
|
19.4
|
|
30.1
|
51
|
194
|
|
-15
|
1.94
|
2
|
1.62
|
12.6
|
11.5
|
23.4
|
20.7
|
44
|
33.8
|
51.7
|
207
|
|
-25
|
1.94
|
1.72
|
1.44
|
12.1
|
11.6
|
23.5
|
21.1
|
44.3
|
34.9
|
52.1
|
215
|
|
R507
|
5
|
|
|
1.86
|
|
|
|
|
|
|
61.2
|
|
|
-5
|
|
2.28
|
2.07
|
|
13.6
|
|
23.2
|
|
35.9
|
62.3
|
225
|
|
-15
|
|
2.5
|
2
|
|
13.8
|
|
24.9
|
|
40.5
|
62.6
|
225
|
|
-25
|
2.43
|
2.18
|
1.83
|
14.7
|
14.1
|
28.2
|
25.5
|
53.5
|
42.2
|
63
|
229
|
