Compact

Type 439
Capacities
Capacities according to AD 2000-Merkblatt A2, based on set pressure plus 10%
overpressure. Capacities at 1 bar (14,5 psig) and below are based on 0,1 bar
(1,45 psig) overpressure.
LWN 481.01-E
Metric Units
AD 2000-Merkblatt A2
Actual Orifice diameter d 0 [mm] 10
Actual Orifice area A 0 [mm 2 ] 78,5
Set pressure
LEO* ) [inch 2 ] S/G = 0,051 L = 0,06
Capacities
Steam Air Water
saturated 0°C and 20°C
1013 mbar
[bar] [kg/h] [m 3 n /h] [10 3 kg/h]
0,1 15 18 0,66
0,2 19 22 0,81
0,3 23 26 0,93
0,4 26 30 1,05
0,5 29 34 1,14
0,6 32 37 1,24
0,7 33 40 1,32
0,8 36 43 1,40
0,9 38 45 1,48
1,0 41 49 1,55
1,1 43 51 1,63
1,2 45 54 1,70
1,3 47 56 1,77
1,4 50 60 1,83
1,5 52 63 1,90
1,6 54 65 1,96
1,7 56 68 2,02
1,8 58 70 2,08
1,9 60 73 2,14
2,0 63 76 2,19
2,1 65 78 2,25
2,2 68 83 2,30
2,3 70 85 2,35
2,4 72 88 2,40
2,5 74 90 2,45
2,6 76 93 2,50
2,7 79 96 2,55
2,8 81 98 2,59
2,9 83 101 2,64
3 85 104 2,69
4 106 130 3,10
5 127 157 3,47
6 148 183 3,80
7 168 210 4,10
8 189 236 4,38
9 209 263 4,65
10 230 289 4,90
11 316 5,14
12 342 5,37
13 368 5,59
14 395 5,80
15 421 6,00
16 448 6,20
* ) LEO S/G/L = LESER Effective Orifice steam / gas / liquids please refer to page 00/11
How to use capacity-sheets refer to page 00/09
Capacities according to ASME Section VIII (UV), based on set pressure plus
10% overpressure.Capacities at 30 psig (2,07 bar) and below are based on
3 psig (0,207 bar) overpressure.
US Units
ASME Section VIII
Actual Orifice diameter d 0 [inch] 0,394
Actual Orifice area A 0 [inch 2 ] 0,122
LEO* ) [inch 2 ] S/G = 0,051 L = 0,06
Set pressure
Capacities
Steam Air Water
saturated 60°F and 70°F
14,5 psig
[psig] [lb/h] [S.C.F.M.] [US-G.P.M.]
5 58 21 4,22
10 70 25 5,37
15 83 30 6,32
20 96 34 7,15
25 109 39 7,89
30 121 43 8,56
35 135 48 9,25
40 149 53 9,90
45 163 58 10,50
50 177 63 11,10
55 191 68 11,60
60 205 73 12,10
65 219 78 12,60
70 233 83 13,10
75 247 88 13,50
80 261 93 14,00
85 275 98 14,40
90 289 103 14,80
95 303 108 15,20
100 317 113 15,60
110 345 123 16,40
120 373 133 17,10
130 401 143 17,80
140 429 153 18,50
150 457 163 19,10
160 173 19,80
170 183 20,40
180 193 21,00
190 203 21,50
200 213 22,10
210 223 22,70
220 233 23,20
230 243 23,70
03/15
Type 439