Page 48 - Apollo - Safety & Relief Valves

SAFETY & RELIEF VALVES

Multi-Purpose Safety Relief Valves
500 SERIES ASME SECTION VIII WATER

U.S. gallons per minute (Cubic meters per hour) of water at 10% over pressure.
National Board Certified. Ratings are 90% of actual.

US Customary Units GPM Metric Units M /Hr.
3
Orifice Letter D E F G H J Orifice Letter D E F G H J
Area (in. ) 2 0.1295 0.2282 0.3589 0.5890 0.9195 1.5044 Area (cm ) 2 0.8352 1.4721 2.3155 3.8001 5.9321 9.7058
Set Pressure psig Set Pressure barg
5* 13 24 37 61 95 156 0.4* 2.0 3.6 5.6 9.2 14.4 23.6
10* 14 24 38 63 98 161 0.8* 2.9 5.1 8.0 13.1 20.4 33.3
15 14 25 40 65 102 167 1.1 3.3 5.9 9.3 15.2 23.8 38.9
20 16 29 45 74 115 189 2 4.4 7.7 12.1 19.8 30.9 50.6
25 18 32 50 82 127 208 3 5.3 9.4 14.8 24.2 37.8 61.8
30 19 34 54 89 138 226 4 6.1 10.8 17.0 28.0 43.6 71.4
35 21 37 58 96 149 244 5 6.9 12.1 19.0 31.3 48.8 79.8
40 22 40 62 102 160 261 6 7.5 13.3 20.9 34.2 53.4 87.4
45 24 42 66 108 169 277 7 8.1 14.3 22.5 37.0 57.7 94.5
50 25 44 70 114 178 292 8 8.7 15.3 24.1 39.5 61.7 101.0
55 26 46 73 120 187 306 9 9.2 16.2 25.6 41.9 65.5 107.1
60 28 48 76 125 195 320 10 9.7 17.1 26.9 44.2 69.0 112.9
65 29 50 79 130 203 333 12 10.6 18.8 29.5 48.4 75.6 123.7
70 30 52 82 135 211 345 14 11.5 20.3 31.9 52.3 81.6 133.6
75 31 54 85 140 218 357 16 12.3 21.7 34.1 55.9 87.3 142.8
80 32 56 88 145 226 369 18 13.0 23.0 36.1 59.3 92.6 151.5
85 33 58 91 149 233 381 20 13.7 24.2 38.1 62.5 97.6 159.7
90 34 59 93 153 239 392 22 14.4 25.4 39.9 65.6 102.3 167.5
95 35 61 96 158 246 402 24 15.1 26.5 41.7 68.5 106.9 174.9
100 36 63 98 162 252 413 26 15.7 27.6 43.4 71.3 111.3 182.0
125 40 70 110 181 282 462 28 16.3 28.7 45.1 74.0 115.5 188.9
150 44 77 121 198 309 506 30 16.8 29.7 46.7 76.6 119.5 195.5
175 47 83 130 214 334 546 32 17.4 30.6 48.2 79.1 123.4 202.0
200 50 89 139 229 357 584 34 17.9 31.6 49.7 81.5 127.2 208.2
225 53 94 148 242 378 619 36 18.4 32.5 51.1 83.9 - -
250 56 99 156 256 399 653 38 18.9 33.4 52.5 86.2 - -
275 59 104 163 268 418 685 40 19.4 34.2 53.9 88.4 - -
300 62 108 171 280 437 715 42 19.9 35.1 - - - -
325 64 113 178 291 455 744 44 20.4 35.9 - - - -
350 66 117 184 302 472 772 46 20.8 36.7 - - - -
375 69 121 191 313 489 799 48 21.3 37.5 - - - -
400 71 125 197 323 505 826 50 21.7 38.3 - - - -
425 73 129 203 333 520 851 52 22.2 39.0 - - - -
450 75 133 209 343 535 876 54 22.6 39.8 - - - -
475 77 136 215 352 550 900 58 23.4 41.2 - - - -
500 79 140 220 361 564 923 62 24.2 42.6 - - - -
525 81 143 226 370 - - 65 24.8 - - - - -
550 83 147 231 379 - - 69 25.6 - - - - -
575 85 150 236 388 - -
600 87 153 241 396 - -
625 89 157 - - - - Maximum Set Pressure Limits for Liquid Service
650 91 160 - - - - 510 Series - 300 psig/20.7 barg
675 92 163 - - - - 520 Series - 1000 psig/68.9 barg
700 94 166 - - - - 530 Series - 1000 psig/68.9 barg
725 96 169 - - - - 540 Series - 1000 psig/68.9 barg
750 97 171 - - - -
775 99 174 - - - -
800 100 177 - - - - Note: To determine water capacity at 25% overpressure, multiply the
825 102 180 - - - - capacity at 10% by 1.066.
850 104 183 - - - -
875 105 185 - - - - *Pressure settings below 15 psig/1.03 barg are non-ASME code.
900 107 188 - - - -
950 109 - - - - -
1000 112 - - - - -

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