
Bulletin 71.1:SR5
24
Table 9. Steam Capacities for 1-1/2 x 1-inch (DN 40 x 25) Body (continued)
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
INLET,
PSIG (bar)
CAPACITIES IN POUNDS PER HOUR (kg/h) OF SATURATED STEAM AT % DROOP
1-1/2 x 1-inch (DN 40 x 25) Body
Elastomer Diaphragm Metal Diaphragm
10% 20% 30% 10% 20% 30%
2 to 8
(0,2 to 0,5)
2 (0,2)
10 (0,7) 31 (14) 31 (14) 33 (15)
Not Available
25 (1,7) 51 (23) 61 (28) 63 (29)
50 (3,4) 85 (39) 112 (51) 113 (51)
5 (0,4)
10 (0,7) 31 (14) 33 (15) 71 (32)
25 (1,7) 45 (20) 57 (26) 93 (42)
50 (3,4) 67 (30) 96 (44) 131 (59)
8 (0,5)
10 (0,7) 72 (33) 94 (43) 102 (46)
25 (1,7) 99 (45) 110 (50) 120 (54)
50 (3,4) 145 (66) 146 (66) 146 (66)
5 to 25
(0,4 to 1,7)
5 (0,4)
25 (1,7) 50 (23) 61 (28) 93 (42) 45 (20) 55 (25) 84 (38)
50 (3,4) 77 (35) 95 (43) 130 (59) 70 (32) 86 (39) 110 (50)
75 (5,2) 105 (48) 130 (59) 160 (73) 100 (45) 120 (54) 150 (68)
15 (1,1)
25 (1,7) 120 (54) 120 (54) 240 (109) 56 (25) 72 (33) 99 (45)
50 (3,4) 130 (59) 170 (77) 270 (123) 93 (42) 120 (54) 150 (68)
75 (5,2) 150 (68) 220 (100) 300 (136) 130 (59) 170 (77) 210 (95)
25 (1,7)
35 (2,4) 210 (95) 310 (141) 420 (191) 71 (32) 106 (48) 170 (77)
50 (3,4) 230 (104) 340 (154) 450 (204) 100 (45) 140 (64) 210 (95)
75 (5,2) 270 (123) 380 (173) 490 (222) 150 (68) 190 (86) 270 (123)
10 to 50
(0,7 to 3,4)
10 (0,7)
25 (1,7) 80 (36) 120 (54) 184 (84) 57 (26) 61 (28) 77 (35)
50 (3,4) 120 (54) 160 (73) 224 (102) 93 (42) 105 (48) 120 (54)
100 (6,9) 190 (86) 250 (114) 309 (140) 166 (75) 190 (86) 220 (100)
25 (1,7)
50 (3,4) 220 (100) 370 (168) 490 (222) 105 (48) 130 (59) 190 (86)
75 (5,2) 270 (123) 420 (191) 540 (245) 149 (68) 190 (86) 250 (114)
100 (6,9) 320 (145) 470 (213) 600 (272) 190 (86) 240 (109) 320 (145)
50 (3,4)
75 (5,2) 480 (218) 770 (350) 880 (400) 200 (91) 320 (145) 470 (213)
100 (6,9) 550 (250) 830 (377) 980 (445) 230 (104) 350 (159) 520 (236)
125 (8,6) 610 (277) 890 (404) 1090 (495) 260 (118) 390 (177) 560 (254)
25 to 90
(1,7 to 6,2)
25 (1,7)
50 (3,4) 120 (54) 250 (114) 410 (186) 124 (56) 180 (82) 260 (118)
100 (6,9) 260 (118) 380 (173) 530 (241) 207 (94) 280 (127) 390 (177)
125 (8,6) 330 (150) 440 (200) 600 (272) 249 (113) 330 (150) 450 (204)
50 (3,4)
75 (5,2) 420 (191) 650 (295) 870 (395) 225 (102) 390 (177) 650 (295)
100 (6,9) 470 (213) 720 (327) 940 (427) 260 (118) 440 (200) 680 (309)
125 (8,6) 520 (236) 780 (354) 1000 (454) 290 (132) 490 (222) 720 (327)
150 (10) 570 (259) 850 (386) 1080 (490) 320 (145) 530 (241) 760 (345)
75 (5,2)
100 (6,9) 600 (272) 940 (427) 1110 (504) 320 (145) 550 (250) 850 (386)
125 (8,6) 670 (304) 1040 (472) 1260 (572) 380 (173) 620 (281) 930 (422)
150 (10) 740 (336) 1140 (518) 1390 (631) 440 (200) 700 (318) 1010 (459)
175 (12) 810 (368) 1240 (563) 1510 (686) 500 (227) 780 (354) 1090 (495)
90 (6,2)
100 (6,9) 650 (295) 940 (427) 1040 (472) 340 (154) 610 (277) 930 (422)
125 (8,6) 740 (336) 1090 (495) 1280 (581) 390 (177) 680 (309) 1010 (459)
150 (10) 840 (381) 1230 (558) 1470 (667) 440 (200) 760 (345) 1090 (495)
175 (12) 930 (422) 1370 (622) 1650 (749) 490 (222) 840 (381) 1180 (536)
35 to 135
(2,4 to 9,3)
35 (2,4)
50 (3,4) 190 (86) 300 (136) 440 (200) 170 (77) 280 (127) 370 (168)
75 (5,2) 250 (114) 380 (173) 520 (236) 230 (104) 320 (145) 440 (200)
100 (6,9) 310 (141) 460 (209) 600 (272) 260 (118) 370 (168) 500 (227)
125 (8,6) 370 (168) 540 (245) 690 (313) 300 (136) 420 (191) 570 (259)
50 (3,4)
75 (5,2) 400 (182) 570 (259) 720 (327) 230 (104) 360 (163) 520 (236)
100 (6,9) 430 (195) 630 (286) 800 (363) 290 (132) 430 (195) 590 (268)
125 (8,6) 460 (209) 690 (313) 870 (395) 340 (154) 490 (222) 660 (300)
150 (10) 480 (218) 760 (345) 960 (436) 390 (177) 560 (254) 730 (331)
75 (5,2)
100 (6,9) 550 (250) 910 (413) 1110 (504) 260 (118) 450 (204) 730 (331)
125 (8,6) 630 (286) 990 (449) 1250 (568) 350 (159) 570 (259) 850 (386)
150 (10) 700 (318) 1070 (486) 1370 (622) 440 (200) 680 (309) 970 (440)
175 (12) 770 (350) 1150 (522) 1490 (676) 530 (241) 790 (359) 1090 (495)
100 (6,9)
125 (8,6) 720 (327) 1210 (549) 1340 (608) 420 (191) 710 (322) 1000 (454)
150 (10) 790 (359) 1310 (595) 1640 (745) 490 (222) 800 (363) 1120 (508)
175 (12) 850 (386) 1410 (640) 1810 (822) 550 (250) 900 (409) 1240 (563)
200 (14) 920 (418) 1500 (681) 610 (277) 1000 (454)
135 (9,3)
150 (10) 510 (232) 1390 (631) 1510 (686) 460 (209) 980 (445) 1390 (631)
175 (12) 910 (413) 1740 (790) 1850 (840) 650 (295) 1100 (499) 1580 (717)
200 (14) 1300 (590) 1990 (903) 2150 (976) 720 (327) 1230 (558) 1770 (804)
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded,
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