Bulletin 71.1:SR5
33
Table 10. Water Capacities for 3-inch (DN 80) Body (continued)
SPRING RANGE,
PSIG (bar)
SET PRESSURE,
PSIG (bar)
INLET PRESSURE,
PSIG (bar)
CAPACITIES IN GPM (l/min) OF WATER AT % DROOP
3-inch (DN 80)
Elastomer Diaphragm Metal Diaphragm
10% 20% 30% 10% 20% 30%
10 to 25
(0,7 to 1,7)
10 (0,7)
25 (1,7) 34 (129) 52 (197) 76 (288) 25 (95) 36 (136) 46 (174)
50 (3,4) 44 (167) 68 (257) 96 (363) 30 (114) 46 (174) 55 (208)
15 (1,0)
25 (1,7) 36 (136) 61 (231) 92 (348) 25 (95) 36 (136) 56 (212)
50 (3,4) 56 (212) 91 (344) 122 (462) 36 (136) 48 (182) 71 (269)
25 (1,7)
50 (3,4) 73 (276) 116 (439) 148 (560) 39 (148) 57 (216) 88 (333)
75 (5,2) 70 (265) 127 (481) 162 (613) 44 (167) 74 (280) 108 (409)
15 to 50
(1,0 to 3,4)
15 (1,0)
25 (1,7) 36 (136) 51 (193) 71 (269) 22 (83) 34 (129) 47 (178)
50 (3,4) 43 (163) 66 (250) 94 (356) 35 (132) 48 (182) 67 (254)
75 (5,2) 52 (197) 79 (299) 104 (394) 43 (163) 58 (220) 79 (299)
100 (6,9) 60 (227) 88 (333) 106 (401) 48 (182) 64 (242) 87 (329)
125 (8,6) 65 (246) 95 (360) 109 (413) 51 (193) 68 (257) 91 (344)
25 (1,7)
50 (3,4) 50 (189) 89 (337) 124 (469) 40 (151) 54 (204) 78 (295)
75 (5,2) 64 (242) 104 (394) 142 (537) 46 (174) 68 (257) 101 (382)
100 (6,9) 69 (261) 113 (428) 151 (572) 50 (189) 79 (299) 113 (428)
125 (8,6) 70 (265) 113 (428) 150 (568) 54 (204) 89 (337) 120 (454)
50 (3,4)
75 (5,2) 85 (322) 135 (511) 180 (681) 43 (163) 81 (307) 125 (473)
100 (6,9) 94 (356) 156 (590) 202 (765) 57 (216) 99 (375) 153 (579)
125 (8,6) 103 (390) 168 (636) 221 (836) 65 (246) 111 (420) 167 (632)
150 (10) 111 (420) 175 (662) 230 (871) 70 (265) 120 (454) 175 (662)
25 to 75
(1,7 to 5,2)
25 (1,7)
50 (3,4) 47 (178) 84 (318) 121 (458) 38 (144) 59 (223) 84 (318)
75 (5,2) 53 (201) 94 (356) 130 (492) 43 (163) 70 (265) 99 (375)
100 (6,9) 63 (238) 103 (390) 137 (519) 47 (178) 79 (299) 109 (413)
125 (8,6) 74 (280) 109 (413) 139 (526) 51 (193) 85 (322) 115 (435)
150 (10) 79 (299) 112 (424) 140 (530) 56 (212) 91 (344) 118 (447)
50 (3,4)
75 (5,2) 73 (276) 123 (466) 164 (621) 42 (159) 78 (295) 119 (450)
100 (6,9) 82 (310) 144 (545) 194 (734) 57 (216) 92 (348) 142 (537)
125 (8,6) 98 (371) 157 (594) 209 (791) 65 (246) 105 (397) 157 (594)
150 (10) 106 (401) 167 (632) 217 (821) 69 (261) 118 (447) 167 (632)
175 (12) 111 (420) 176 (666) 221 (836) 73 (276) 128 (484) 175 (662)
75 (5,2)
100 (6,9) 85 (322) 139 (526) 194 (734) 51 (193) 97 (367) 158 (598)
125 (8,6) 96 (363) 171 (647) 224 (848) 64 (242) 115 (435) 187 (708)
150 (10) 106 (401) 192 (727) 246 (931) 71 (269) 126 (477) 203 (768)
175 (12) 114 (431) 203 (768) 262 (992) 83 (314) 138 (522) 206 (780)
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