Brochure
www.usa.siemens.com/hvac
Engineering
G-13
Vacuum/Temperature
Vacuum
Inches
Hg
Absolute
Pressure
psi
Temperature
Degrees
Fahrenheit
29.74 0.0886 32
29.67 0.1217 40
29.56 0.1780 50
29.40 0.2562 60
29.18 0.3626 70
28.89 0.505 80
28.50 0.696 90
28.00 0.946 100.00
27.88 1 101.83
25.85 2 126.15
23.81 3 141.52
21.78 4 153.01
19.74 5 162.28
17.70 6 170.06
15.67 7 176.85
13.63 8 182.86
11.60 9 188.27
9.56 10 193.22
7.52 11 197.75
5.49 12 201.96
3.45 13 205.87
1.42 14 209.55
Gauge
Pressure
psi
Absolute
Pressure
psi
Temperature
Degrees
Fahrenheit
59.3 74 306.7
60.3 75 307.6
61.3 76 308.5
62.3 77 309.4
63.3 78 310.3
64.3 79 311.2
65.3 80 312.0
66.3 81 312.9
67.3 82 313.8
68.3 83 314.6
69.3 84 315.4
70.3 85 316.3
71.6 86 317.1
72.3 87 317.9
73.3 88 318.7
74.3 89 319.5
75.3 90 320.3
76.3 91 321.1
77.3 92 321.8
78.3 93 322.6
79.3 94 323.4
80.3 95 324.1
81.3 96 324.9
82.3 97 325.6
83.3 98 326.4
84.3 99 327.1
85.3 100 327.8
87.3 102 329.3
89.3 104 330.7
91.3 106 332.0
93.3 108 333.4
95.3 110 334.8
97.3 112 336.1
99.3 114 337.4
101.3 116 338.7
103.3 118 340.0
105.3 120 341.3
107.3 122 342.5
109.3 124 343.8
111.3 126 345.0
113.3 128 346.2
115.3 130 347.4
117.3 132 348.5
119.3 134 349.7
121.3 136 350.8
123.3 138 352.0
125.3 140 353.1
127.3 142 354.2
129.3 144 355.3
131.3 146 356.3
133.3 148 357.4
135.3 150 358.5
137.3 152 359.5
139.3 154 360.5
141.3 156 361.6
143.3 158 362.6
145.3 160 363.6
147.3 162 364.6
149.3 164 365.6
151.3 166 366.5
Gauge
Pressure
psi
Absolute
Pressure
psi
Temperature
Degrees
Fahrenheit
153.3 168 367.5
155.3 170 368.5
157.3 172 369.4
159.3 174 370.4
161.3 175 371.3
163.3 178 372.2
165.3 180 373.1
167.3 182 374.0
169.3 184 374.9
171.3 186 375.8
173.3 188 376.7
175.3 190 377.6
177.3 192 378.5
179.3 194 379.3
181.3 196 380.2
183.3 198 381.0
185.3 200 381.9
190.3 205 384.0
195.3 210 386.0
200.3 215 388.0
205.3 220 389.9
210.3 225 391.9
215.3 230 393.8
220.3 235 395.6
225.3 240 397.4
230.3 245 399.3
235.3 250 401.1
245.3 260 404.5
255.3 270 407.9
265.3 280 411.2
275.3 290 414.4
285.3 300 417.5
Gauge/Temperature
Gauge
Pressure
psi
Absolute
Pressure
psi
Temperature
Degrees
Fahrenheit
0.0 14.70 212.0
0.3 15 213.0
1.3 16 216.3
2.3 17 219.4
3.3 18 222.4
4.3 19 225.2
5.3 20 228.0
6.3 21 230.6
7.3 22 233.1
8.3 23 235.5
9.3 24 237.8
10.3 25 240.1
11.3 26 242.2
12.3 27 244.4
13.3 28 246.4
14.3 29 248.4
15.3 30 250.3
16.3 31 252.2
17.3 32 254.1
18.3 33 255.8
19.3 34 257.6
20.3 35 259.3
21.3 36 261.0
22.3 37 262.6
23.3 38 264.2
24.3 39 265.8
25.3 40 267.3
26.3 41 268.7
27.3 42 270.2
28.3 43 271.7
29.3 44 273.1
30.3 45 274.5
31.3 46 275.8
32.3 47 277.2
33.3 48 278.5
34.3 49 279.8
35.3 50 281.0
36.3 51 282.3
37.3 52 283.5
38.3 53 284.7
39.3 54 285.9
40.3 55 287.1
41.3 56 288.2
42.3 57 289.4
43.3 58 290.5
44.3 59 291.6
45.3 60 292.7
46.3 61 293.8
47.3 62 294.9
48.3 63 295.9
49.3 64 297.0
50.3 65 298.0
51.3 66 299.0
52.3 67 300.0
53.3 68 301.0
54.3 69 302.0
55.3 70 302.9
56.3 71 303.9
57.3 72 304.8
58.3 73 305.8
Control Valves
Selection and Sizing
Steam Saturation Pressure