Page 29 - Apollo - Safety & Relief Valves

SAFETY & RELIEF VALVES

Bronze Safety Valves
19 SERIES ASME SECTION I - STEAM

Pounds per hour (Kilograms per hour) saturated steam @ 3% overpressure.
National Board Certified. Ratings are 90% of actual.

US Customary Units Lbs./Hr. Metric Units Kg./Hr.
Orifice Letter D E F G H J Orifice Letter D E F G H J
Area in. 2 0.129 0.230 0.359 0.589 0.919 1.509 Area cm. 2 0.835 1.483 2.315 3.800 5.932 9.733
Set Pressure psig Set Pressure barg
15 174 310 484 794 1,240 2,035 0.34 - - - - - -
20 201 359 561 920 1,435 2,356 0.69 - - - - - -
25 229 408 637 1,045 1,631 2,677 1.1 81 145 226 371 579 951
30 256 457 713 1,170 1,826 2,998 1.5 96 171 266 437 682 1,120
35 284 506 790 1,296 2,022 3,319 2 114 203 317 519 811 1,331
40 311 555 866 1,421 2,217 3,641 2.5 132 235 367 602 940 1,542
45 339 604 942 1,546 2,413 3,962 3 150 267 417 684 1,068 1,753
50 366 653 1,019 1,672 2,608 4,283 3.5 168 299 467 767 1,197 1,964
55 394 702 1,095 1,797 2,804 4,604 4 186 331 517 849 1,326 2,175
60 421 751 1,172 1,922 2,999 4,925 4.5 204 364 568 932 1,454 2,386
65 448 800 1,248 2,048 3,195 5,246 5 222 397 619 1,016 1,586 2,602
70 476 849 1,326 2,175 3,394 5,573 5.5 241 430 671 1,101 1,719 2,820
75 505 900 1,405 2,304 3,596 5,904 6 259 463 723 1,186 1,851 3,037
80 533 950 1,483 2,433 3,797 6,234 6.5 278 496 774 1,271 1,984 3,255
85 561 1,001 1,562 2,563 3,998 6,565 7 296 529 826 1,356 2,116 3,472
90 590 1,051 1,641 2,692 4,200 6,896 7.5 315 562 878 1,440 2,249 3,690
95 618 1,101 1,719 2,821 4,401 7,226 8 334 595 929 1,525 2,381 3,907
100 646 1,152 1,798 2,950 4,602 7,557 8.5 352 628 981 1,610 2,514 4,125
105 674 1,202 1,877 3,079 4,804 7,888 9 371 662 1,033 1,695 2,646 4,342
110 703 1,253 1,955 3,208 5,005 8,218 9.5 389 695 1,085 1,780 2,779 4,559
115 731 1,303 2034 3,337 5,207 8,549 10 408 728 1,136 1,865 2,911 4,777
120 759 1,353 2,113 3,466 5,408 8,880 10.5 426 761 1,188 1,950 3,044 4,994
125 787 1,404 2,191 3,595 5,609 9,210 11 445 794 1,240 2,035 3,176 5,212
130 816 1,454 2,270 3,724 5,811 9,541 11.5 464 827 1,292 2,120 3,309 5,429
135 844 1,505 2,349 3,853 6,012 9,872 12 482 860 1,343 2,204 3,441 5,647
140 872 1,555 2,427 3,982 6,213 10,202 12.5 501 893 1,395 2,289 3,574 5,864
145 900 1,605 2,506 4,111 6,415 10,533 13 519 927 1,447 2,374 3,706 6,082
150 929 1,656 2,585 4,240 6,616 10,864 13.5 538 960 1,498 2,459 3,839 6,299
160 985 1,757 2,742 4,499 7,019 11,525 14 556 993 1,550 2,544 3,971 6,517
170 1,042 1,857 2,899 4,757 7,422 12,186 15 594 1,059 1,654 2,714 4,236 6,951
180 1,098 1,958 3,057 5,015 7,824 12,848 16 631 1,125 1,757 2,884 4,501 7,386
190 1,155 2,059 3,214 5,273 8,227 13,509 17 668 1,192 1,861 3,053 4,767 7,821
200 1,211 2,160 3,371 5,531 8,630 14,170 18 705 1,258 1,964 3,223 5,032 8,256
210 1,268 2,261 3,529 5,789 9,033 14,832 19 742 1,324 2,067 3,393 5,297 8,691
220 1,324 2,361 3,686 6,047 9,436 15,493 20 779 1,390 2,171 3,563 5,562 9,126
230 1,381 2,462 3,843 6,305 9,838 16,154 20.7 805 1,437 2,243 3,682 5,747 9,430
240 1,438 2,563 4,001 6,564 10,241 16,816 Approx.
250 1,494 2,664 4,158 6,822 10,644 17,477 0.1 barg
255 1,522 2,714 4,237 6,951 10,845 17,808 increments 3.7 6.6 10.3 17.0 26.5 43.5
260 1,551 2,765 4,315 7,080 11,047 18,138
265 1,579 2,815 4,394 7,209 11,248 18,469
270 1,607 2,865 4,473 7,338 11,449 18,800
275 1,635 2,916 4,551 7,467 11,651 19,130
280 1,664 2,966 4,630 7,596 11,852 19,461
285 1,692 3,017 4,709 7,725 12,053 19,792
290 1,720 3,067 4,787 7,854 12,255 20,122
295 1,748 3,117 4,866 7,983 12,456 20,453
300 1,777 3,168 4,945 8,112 12,658 20,784
Approx. 1 psi Note: Specify model 19S with stainless steel wetted trim for steam
increments 5.7 10.0 15.6 25.8 40.2 66.0 settings beyond 250 psig / 17.2 barg.

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