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Form QTC4-NM2
Issue date: 05/12/2023
R-134a conversion table
Use the following table for converting R-134a pres-
sures to their equivalent saturated temperatures.
Table 36 - R-134a pressure to saturated temperature conversion
Pressure psig
Dew point
(bar)
temperature
ºF (ºC)
0.0 (0)
-14.9 (-26.1)
5.0 (.34)
-3.0 (-19.4)
10.0 (.69)
6.7 (-14.1)
15.0 (1.03)
14.9 (-9.5)
20.0 (1.38)
22.2 (-5.4)
25.0 (1.72)
28.7 (-1.8)
30.0 (2.07)
34.6 (1.4)
35.0 (2.41)
40.0 (4.4 )
40.0 (2.76)
45.0 (7.2)
45.0 (3.10)
49.6 (9.8)
50.0 (3.45)
54.0 ( 12.2)
55.0 (3.79)
58.1 (14.5)
60.0 (4.14)
62.0 (16.7)
65.0 (4.48)
65.7 (18.7)
70.0 (4.83)
69.2 (20.7)
75.0 (5.17)
72.6 (22.6)
80.0 (5.52)
75.9 (24.4)
85.0 (5.86)
79.0 (26.1)
90.0 (6.21)
82.0 (27.8)
95.0 (6.55)
84.9 (29.4)
100.0 (6.89)
87.7 (30.9)
105.0 (7.24)
90.4 (32.4)
110.0 (7.58)
93.0 (33.9)
115.0 (7.93)
95.5 (35.3)
120.0 (8.27)
98.0 (36.7)
125.0 (8.62)
100.4 (38)
130.0 (8.96)
102.7 (39.3)
Quantech
Pressure psig
Dew point
(bar)
temperature
ºF (ºC)
135.0 (9.31)
105.0 (40.6)
140.0 (9.65)
107.2 (41.8)
145.0 (10.0)
109.4 (43)
150.0 (10.34)
111.5 (44.2)
155.0 (10.69)
113.6 (45.3)
160.0 (11.03)
115.6 (46.4)
165.0 (11.38)
117.6 (47.6)
170.0 (11.72)
119.6 (48.7)
175.0 (12.07)
121.5 (49.7)
180.0 (12.41)
123.3 (50.7)
185.0 (12.76)
125.2 (51.8)
190.0 (13.10)
126.9 (52.7)
195.0 (13.44)
128.7 (53.7)
200.0 (13.79)
130.4 (54.7)
205.0 (14.13)
132.1 (55.6)
210.0 (14.48)
133.8 (56.6)
215.0 (14.82)
135.5 (57.5)
220.0 (15.17)
137.1 (58.4)
225.0 (15.51)
138.7 (59.3)
230.0 (15.86)
140.2 (60.1)
235.0 (16.20)
141.8 (61)
240.0 (16.55)
143.3 (61.8)
245.0 (16.89)
144.8 (62.3)
250.0 (17.24)
146.3 (63.5)
255.0 (17.58)
147.7 (64.3)
260.0 (17.93)
149.2 (65.1)
265.0 (18.27)
150.6 (65.9)
Section 9 - Maintenance
Pressure psig
Dew point
(bar)
temperature
ºF (ºC)
270.0 (18.62)
152.0 (66.7)
275.0 (18.96)
153.4 (67.4)
280.0 (19.31)
154.7 (68.2)
285.0 (19.65)
156.1 (68.9)
290.0 (19.99)
157.4 (69.7)
295.0 (20.34)
158.7 (70.4)
300.0 (20.68)
160.0 (71.1)
305.0 (21.03)
161.3 (71.8)
310.0 (21.37)
162.5 (72.5)
315.0 (21.72)
163.8 (73.2)
320.0 (22.06)
165.0 (73.9)
325.0 (22.41)
166.2 (74.6)
330.0 (22.75)
167.4 (75.2)
335.0 (23.10)
168.6 (75.9)
340.0 (23.44)
169.8 (76.6)
345.0 (23.79)
171.0 (77.2)
350.0 (24.13)
172.1 (77.8)
355.0 (24.48)
173.3 (78.5)
360.0 (24.82)
174.4 (79.1)
365.0 (25.17)
175.5 (79.7)
370.0 (25.51)
176.6 (80.3)
375.0 (25.86)
177.7 (80.9)
380.0 (26.20)
178.8 (81.6)
385.0 (26.54)
179.9 (82.2)
390.0 (26.89)
180.9 (82.7)
395.0 (27.23)
182.0 (83.3)
400.0 (27.58)
183.0 (83.9)
9
179
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