Data Sheet

Bulletin 71.1:SR5
32
Table 10. Water Capacities for 2-inch (DN 50) Body (continued)
SPRING RANGE,
PSIG (bar)
SET PRESSURE,
PSIG (bar)
INLET PRESSURE,
PSIG (bar)
CAPACITIES IN GPM (l/min) OF WATER 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) 32 (121) 46 (174) 64 (242) 27 (102) 39 (148) 47 (178)
50 (3,4) 47 (178) 56 (212) 80 (303) 35 (132) 47 (178) 56 (212)
15 (1,0)
25 (1,7) 37 (140) 54 (204) 78 (295) 25 (95) 39 (148) 56 (212)
50 (3,4) 44 (167) 70 (265) 98 (371) 37 (140) 50 (189) 70 (265)
25 (1,7)
50 (3,4) 53 (201) 94 (356) 128 (484) 40 (151) 57 (216) 86 (326)
75 (5,2) 62 (235) 102 (386) 135 (511) 44 (167) 69 (261) 95 (360)
15 to 50
(1,0 to 3,4)
15 (1,0)
25 (1,7) 34 (129) 47 (178) 68 (257) 25 (95) 37 (140) 48 (182)
50 (3,4) 43 (163) 58 (220) 82 (310) 35 (132) 47 (178) 61 (231)
75 (5,2) 48 (182) 63 (238) 82 (310) 40 (151) 50 (189) 65 (246)
100 (6,9) 48 (182) 64 (242) 80 (303) 43 (163) 52 (197) 67 (254)
125 (8,6) 48 (182) 64 (242) 80 (303) 45 (170) 52 (197) 68 (257)
25 (1,7)
50 (3,4) 40 (151) 80 (303) 105 (397) 37 (140) 54 (204) 79 (299)
75 (5,2) 52 (197) 90 (341) 118 (447) 44 (167) 66 (250) 91 (344)
100 (6,9) 59 (223) 94 (356) 120 (454) 46 (174) 70 (265) 90 (341)
125 (8,6) 59 (223) 93 (352) 117 (443) 45 (170) 71 (269) 88 (333)
50 (3,4)
75 (5,2) 67 (254) 114 (431) 156 (590) 44 (167) 80 (303) 120 (454)
100 (6,9) 85 (322) 132 (500) 171 (647) 58 (220) 99 (375) 137 (519)
125 (8,6) 93 (352) 139 (526) 178 (674) 66 (250) 109 (413) 144 (545)
150 (10) 97 (367) 141 (534) 178 (674) 70 (265) 110 (416) 142 (537)
25 to 75
(1,7 to 5,2)
25 (1,7)
50 (3,4) 47 (178) 74 (280) 96 (363) 35 (132) 49 (185) 71 (269)
75 (5,2) 51 (193) 85 (322) 112 (424) 45 (170) 62 (235) 84 (318)
100 (6,9) 60 (227) 91 (344) 113 (428) 47 (178) 68 (257) 87 (329)
125 (8,6) 63 (238) 92 (348) 109 (413) 46 (174) 70 (265) 88 (333)
150 (10) 61 (231) 92 (348) 105 (397) 45 (170) 70 (265) 88 (333)
50 (3,4)
75 (5,2) 64 (242) 110 (416) 148 (560) 43 (163) 77 (291) 116 (439)
100 (6,9) 67 (254) 120 (454) 160 (606) 55 (208) 91 (344) 130 (492)
125 (8,6) 77 (291) 129 (488) 171 (647) 63 (238) 101 (382) 138 (522)
150 (10) 88 (333) 136 (515) 175 (662) 69 (261) 105 (397) 137 (519)
175 (12) 94 (356) 135 (511) 172 (651) 71 (269) 106 (401) 137 (519)
75 (5,2)
100 (6,9) 81 (307) 130 (492) 171 (647) 58 (220) 110 (416) 161 (609)
125 (8,6) 87 (329) 147 (556) 189 (715) 68 (257) 119 (450) 175 (662)
150 (10) 94 (356) 154 (583) 202 (765) 74 (280) 130 (492) 187 (708)
175 (12) 101 (382) 160 (606) 209 (791) 80 (303) 138 (522) 193 (731)