Internal pressure in SF6 tank

as a function of temperature and density (kg SF6/l tank volume)

Pressure in bar

Density
kg/l
5 °C
10 °C
15 °C
20 °C
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
55 °C
60 °C
65 °C
70 °C
0.940
                  
43.1
49.3
55.5
61.8
68.3
0.960
                  
43.6
50.1
56.5
63.1
69.6
0.980
                  
44.2
50.9
57.7
64.3
71.2
1.000
                  
44.8
51.8
58.8
65.8
73.0
1.020
                  
45.6
52.9
60.1
67.4
74.8
1.040
                  
46.4
54.0
61.1
69.2
77.0
1.060
                  
47.4
55.3
63.3
71.3
79.4
1.080
                  
48.4
56.7
65.0
73.7
82.1
1.200
                  
49.8
58.5
67.3
76.2
85.2
1.120
              
33.7
42.5
51.3
60.3
69.5
78.9
88.5
1.140
              
34.9
44.1
53.3
62.7
72.4
82.2
92.1
1.160
              
36.5
46.0
55.5
65.5
75.5
85.6
96.1
1.180
              
38.0
48.1
58.2
68.5
79.0
89.7
100.6
1.200
              
40.1
50.7
61.3
72.2
83.2
94.3
105.6
1.220
              
42.6
53.7
64.8
76.2
87.7
99.5
111.3
1.240
              
45.3
57.1
68.8
80.7
92.8
105.3
117.6
1.260
              
48.6
61.0
73.5
85.9
98.6
111.7
124.4
1.280
          
27.0
39.7
52.5
65.6
78.7
91.9
105.0
118.9
132.2
1.300
          
30.3
43.7
57.1
70.9
84.6
98.4
112.2
126.4
  140.5
1.320
          
34.3
48.3
62.4
76.8
91.2
105.7
120.2
134.9
149.9
1 340
          
38.8
53.7
68.5
83.5
98.6
113.7
129.0
144.4
159.8
1.360
          
43.9
59.6
75.3
90.9
106.5
122.6
138.8
154.6
170.8
1.380
          
49.9
66.4
82.9
99.2
115.6
132.5
149.5
166.0
183.0
1.400
      
24.0
40.5
56.9
74.0
91.4
108.5
125.8
143.6
161.4
178.9
196.5
1.420
      
30.7
47.9
65.0
83.1
101.3
119.2
137.2
155.8
174.6
193.2
(211.8)
1.440
    
20.9
38.2
56.2
74.5
93.5
112.4
131.3
150
2169
  4189  (209.2)  (229.5)
1.460
    
27.9
46.8
66.0
85.4
105.2
125.0
144.9
164.9
185.0
 (205.4)   (226.7)
1.480   16.4 36.5 56.7 77.1 97.6 118.2 139.1 160.2 181.4  (202.5)  (223.6)    
1.500   25.4 46.8 68.1 89.5 111.1 132.7 154.6 176.8 (199.1)        
1.520 (14.8) 36.8 59.0 81.3 103.8 126.4 149.2 172.1  (195.3)  (218.4)        
1.540 (27.5) 50.4 73.5 96.7 120.1 143.8 167.7  191.6  (215.6)  (239.5)