Data Sheet
Bulletin 71.1:SR5
19
Table 8. Air Capacities for 2-inch (DN 50) Body (continued)
SPRING RANGE,
PSIG (bar)
SET PRESSURE,
PSIG (bar)
INLET PRESSURE,
PSIG (bar)
CAPACITIES IN SCFH (Nm
3
/h) OF AIR 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) 9310 (250) 13150 (352) 17990 (482) 7870 (211) 11180 (300) 13280 (356)
50 (3,4) 14650 (393) 17460 (468) 24520 (657) 10980 (294) 14780 (396) 17760 (476)
15 (1,0)
25 (1,7) 11720 (314) 16680 (447) 23520 (630) 8050 (216) 11960 (321) 16900 (453)
50 (3,4) 14650 (393) 23000 (616) 31400 (842) 12480 (334) 16510 (442) 22470 (602)
25 (1,7)
50 (3,4) 19600 (525) 33540 (899) 44640 (1196) 14830 (397) 20650 (553) 30160 (808)
75 (5,2) 23950 (642) 38310 (1027) 49770 (1334) 17040 (457) 26160 (701) 35390 (948)
15 to 50
(1,0 to 3,4)
15 (1,0)
25 (1,7) 10570 (283) 14340 (384) 20300 (544) 7950 (213) 11350 (304) 14380 (385)
50 (3,4) 14280 (383) 18980 (509) 26270 (704) 11720 (314) 15340 (411) 19780 (530)
75 (5,2) 17210 (461) 22890 (613) 29710 (796) 15100 (405) 18780 (503) 24380 (653)
100 (6,9) 19580 (525) 26170 (701) 32570 (873) 18110 (485) 21770 (583) 28330 (759)
125 (8,6) 21610 (579) 28930 (775) 35940 (963) 20770 (557) 24390 (654) 31770 (851)
25 (1,7)
50 (3,4) 14860 (398) 28790 (772) 36470 (977) 13820 (370) 19440 (521) 27580 (739)
75 (5,2) 19980 (535) 33980 (911) 43410 (1163) 17050 (457) 25100 (673) 33830 (907)
100 (6,9) 23970 (642) 38340 (1028) 48870 (1310) 19370 (519) 29570 (792) 38100 (1021)
125 (8,6) 26830 (719) 41850 (1122) 52960 (1419) 21170 (567) 33180 (889) 41200 (1104)
50 (3,4)
75 (5,2) 30740 (824) 50930 (1365) 66750 (1789) 20460 (548) 35870 (961) 51800 (1388)
100 (6,9) 39970 (1071) 60520 (1622) 75540 (2024) 27670 (742) 45800 (1227) 60890 (1632)
125 (8,6) 45320 (1215) 65880 (1766) 81940 (2196) 32270 (865) 51810 (1389) 67170 (1800)
150 (10) 48660 (1304) 69210 (1855) 86990 (2331) 35590 (954) 55590 (1490) 71960 (1929)
25 to 75
(1,7 to 5,2)
25 (1,7)
50 (3,4) 17140 (459) 26450 (709) 33320 (893) 13000 (348) 17640 (473) 25000 (670)
75 (5,2) 19700 (528) 31970 (857) 41420 (1110) 17410 (467) 23440 (628) 31250 (838)
100 (6,9) 24650 (661) 37110 (995) 46370 (1243) 19920 (534) 28550 (765) 36640 (982)
125 (8,6) 28390 (761) 41570 (1114) 49360 (1323) 21470 (575) 32600 (874) 41030 (1100)
150 (10) 29760 (798) 45030 (1207) 51620 (1383) 22840 (612) 35630 (955) 44580 (1195)
50 (3,4)
75 (5,2) 29410 (788) 48810 (1308) 63270 (1696) 19790 (530) 34350 (921) 49930 (1338)
100 (6,9) 31800 (852) 55090 (1476) 70980 (1902) 26040 (698) 42040 (1127) 58050 (1556)
125 (8,6) 37590 (1007) 61160 (1639) 78730 (2110) 31040 (832) 48080 (1289) 64300 (1723)
150 (10) 44250 (1186) 66660 (1786) 85560 (2293) 35110 (941) 53000 (1420) 69560 (1864)
175 (12) 49680 (1331) 71210 (1908) 90510 (2426) 38610 (1035) 57360 (1537) 74660 (2001)
75 (5,2)
100 (6,9) 43890 (1176) 67540 (1810) 84590 (2267) 31590 (847) 57340 (1537) 79980 (2143)
125 (8,6) 47900 (1284) 77270 (2071) 95970 (2572) 37290 (999) 62940 (1687) 89110 (2388)
150 (10) 52450 (1406) 83240 (2231) 105110 (2817) 41370 (1109) 70360 (1886) 98080 (2629)
175 (12) 57560 (1543) 88270 (2366) 112010 (3002) 45800 (1227) 77020 (2064) 104780 (2808)










