Data Sheet
Bulletin 71.1:SR5
26
Table 9. Steam Capacities for 2-inch (DN 50) Body (continued)
SPRING RANGE,
PSIG (bar)
SET PRESSURE,
PSIG (bar)
INLET PRESSURE,
PSIG (bar)
CAPACITIES IN POUNDS PER HOUR (kg/h) OF SATURATED STEAM AT % DROOP
2-inch (DN 50)
Elastomer Diaphragm Metal Diaphragm
10% 20% 30% 10% 20% 30%
10 to 25
(0,7 to 1,7)
10 (0,7)
25 (1,7) 420 (191) 590 (268) 810 (368) 360 (163) 510 (232) 600 (272)
50 (3,4) 650 (295) 770 (350) 1090 (495) 490 (222) 650 (295) 790 (359)
15 (1,0)
25 (1,7) 540 (245) 760 (345) 1070 (486) 370 (168) 550 (250) 770 (350)
50 (3,4) 650 (295) 1020 (463) 1390 (631) 550 (250) 730 (331) 1000 (454)
25 (1,7)
50 (3,4) 890 (404) 1510 (686) 2000 (908) 670 (304) 930 (422) 1350 (613)
75 (5,2) 1060 (481) 1700 (772) 2200 (999) 760 (345) 1160 (527) 1570 (713)
15 to 50
(1,0 to 3,4)
15 (1,0)
25 (1,7) 480 (218) 650 (295) 920 (418) 360 (163) 520 (236) 650 (295)
50 (3,4) 630 (286) 840 (381) 1160 (527) 520 (236) 680 (309) 880 (400)
75 (5,2) 760 (345) 1010 (459) 1310 (595) 670 (304) 830 (377) 1080 (490)
100 (6,9) 870 (395) 1160 (527) 1440 (654) 800 (363) 960 (436) 1250 (568)
125 (8,6) 960 (436) 1280 (581) 1590 (722) 920 (418) 1080 (490) 1410 (640)
25 (1,7)
50 (3,4) 670 (304) 1290 (586) 1630 (740) 620 (281) 870 (395) 1240 (563)
75 (5,2) 890 (404) 1500 (681) 1920 (872) 760 (345) 1110 (504) 1500 (681)
100 (6,9) 1060 (481) 1700 (772) 2160 (981) 860 (390) 1310 (595) 1690 (767)
125 (8,6) 1190 (540) 1850 (840) 2340 (1062) 940 (427) 1470 (667) 1820 (826)
50 (3,4)
75 (5,2) 1400 (636) 2310 (1049) 3010 (1367) 930 (422) 1630 (740) 2340 (1062)
100 (6,9) 1790 (813) 2700 (1226) 3350 (1521) 1240 (563) 2050 (931) 2710 (1230)
125 (8,6) 2010 (913) 2920 (1326) 3630 (1648) 1430 (649) 2300 (1044) 2970 (1348)
150 (10) 2150 (976) 3060 (1389) 3850 (1748) 1580 (717) 2460 (1117) 3180 (1444)
25 to 75
(1,7 to 5,2)
25 (1,7)
50 (3,4) 770 (350) 1190 (540) 1490 (676) 590 (268) 790 (359) 1120 (508)
75 (5,2) 870 (395) 1420 (645) 1830 (831) 770 (350) 1040 (472) 1380 (627)
100 (6,9) 1090 (495) 1640 (745) 2050 (931) 880 (400) 1260 (572) 1620 (735)
125 (8,6) 1260 (572) 1840 (835) 2180 (990) 950 (431) 1440 (654) 1820 (826)
150 (10) 1320 (599) 1990 (903) 2280 (1035) 1010 (459) 1580 (717) 1970 (894)
50 (3,4)
75 (5,2) 1340 (608) 2210 (1003) 2850 (1294) 900 (409) 1560 (708) 2250 (1022)
100 (6,9) 1430 (649) 2460 (1117) 3150 (1430) 1170 (531) 1880 (854) 2580 (1171)
125 (8,6) 1670 (758) 2710 (1230) 3480 (1580) 1380 (627) 2130 (967) 2850 (1294)
150 (10) 1960 (890) 2950 (1339) 3790 (1721) 1550 (704) 2350 (1067) 3080 (1398)
175 (12) 2200 (999) 3150 (1430) 4010 (1821) 1710 (776) 2540 (1153) 3300 (1498)
75 (5,2)
100 (6,9) 2010 (913) 3080 (1398) 3830 (1739) 1450 (658) 2610 (1185) 3620 (1643)
125 (8,6) 2170 (985) 3470 (1575) 4290 (1948) 1690 (767) 2830 (1285) 3980 (1807)
150 (10) 2350 (1067) 3700 (1680) 4660 (2116) 1850 (840) 3130 (1421) 4350 (1975)
175 (12) 2560 (1162) 3910 (1775) 4960 (2252) 2040 (926) 3410 (1548) 4640 (2107)










