Data Sheet

Bulletin 71.1:SR5
21
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
INLET,
PSIG (bar)
CAPACITIES IN POUNDS PER HOUR (kg/h) OF SATURATED STEAM AT % DROOP
1/2-inch (DN 15) 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) 7 (3,2) 10 (4,5) 12 (5,4)
Not Available
25 (1,7) 10 (4,5) 14 (6,4) 15 (6,8)
50 (3,4) 11 (5,0) 15 (6,8) 17 (7,7)
5 (0,4)
10 (0,7) 11 (5,0) 16 (7,3) 21 (9,5)
25 (1,7) 13 (5,9) 18 (8,2) 22 (10)
50 (3,4) 16 (7,3) 21 (9,5) 26 (12)
8 (0,5)
10 (0,7) 13 (5,9) 19 (8,6) 28 (13)
25 (1,7) 15 (6,8) 22 (10) 30 (14)
50 (3,4) 20 (9,1) 28 (13) 34 (15)
5 to 25
(0,4 to 1,7)
5 (0,4)
25 (1,7) 13 (5,9) 18 (8,2) 22 (10) 11 (5,0) 14 (6,4) 17 (7,7)
50 (3,4) 16 (7,3) 20 (9,1) 25 (11) 14 (6,4) 17 (7,7) 21 (9,5)
75 (5,2) 19 (8,6) 23 (10) 27 (12) 17 (7,7) 21 (9,5) 25 (11)
15 (1,1)
25 (1,7) 24 (11) 37 (17) 45 (20) 15 (6,8) 24 (11) 32 (15)
50 (3,4) 29 (13) 40 (18) 49 (22) 21 (9,5) 30 (14) 38 (17)
75 (5,2) 35 (16) 44 (20) 53 (24) 27 (12) 37 (17) 45 (20)
25 (1,7)
35 (2,4) 39 (18) 55 (25) 67 (30) 21 (9,5) 36 (16) 50 (23)
50 (3,4) 40 (18) 56 (25) 69 (31) 25 (11) 40 (18) 53 (24)
75 (5,2) 44 (20) 60 (27) 73 (33) 32 (15) 47 (21) 59 (27)
10 to 50
(0,7 to 3,4)
10 (0,7)
25 (1,7) 17 (7,7) 26 (12) 32 (15) 13 (5,9) 18 (8,2) 24 (11)
50 (3,4) 21 (9,5) 30 (14) 35 (16) 16 (7,3) 22 (10) 28 (13)
100 (6,9) 29 (13) 38 (17) 42 (19) 24 (11) 31 (14) 37 (17)
25 (1,7)
50 (3,4) 40 (18) 57 (26) 68 (31) 23 (10) 39 (18) 50 (23)
75 (5,2) 44 (20) 59 (27) 71 (32) 30 (14) 45 (20) 55 (25)
100 (6,9) 47 (21) 62 (28) 74 (34) 36 (16) 51 (23) 60 (27)
50 (3,4)
75 (5,2) 68 (31) 104 (47) 121 (55) 45 (20) 69 (31) 90 (41)
100 (6,9) 72 (33) 105 (48) 122 (55) 51 (23) 75 (34) 94 (43)
125 (8,6) 76 (34) 107 (49) 125 (57) 56 (25) 81 (37) 100 (45)
25 to 90
(1,7 to 6,2)
25 (1,7)
50 (3,4) 34 (15) 51 (23) 61 (28) 26 (12) 38 (17) 47 (21)
100 (6,9) 42 (19) 58 (26) 68 (31) 35 (16) 46 (21) 55 (25)
125 (8,6) 46 (21) 62 (28) 72 (33) 40 (18) 51 (23) 60 (27)
50 (3,4)
75 (5,2) 65 (29) 94 (43) 114 (52) 45 (20) 66 (30) 84 (38)
100 (6,9) 68 (31) 97 (44) 116 (53) 50 (23) 71 (32) 88 (40)
125 (8,6) 71 (32) 101 (46) 119 (54) 55 (25) 77 (35) 92 (42)
150 (10) 76 (34) 105 (48) 123 (56) 61 (28) 83 (38) 97 (44)
75 (5,2)
100 (6,9) 91 (41) 132 (60) 162 (74) 57 (26) 91 (41) 119 (54)
125 (8,6) 97 (44) 135 (61) 165 (75) 65 (30) 98 (44) 125 (57)
150 (10) 102 (46) 139 (63) 169 (77) 73 (33) 106 (48) 132 (60)
175 (12) 108 (49) 144 (65) 174 (79) 82 (37) 115 (52) 139 (63)
90 (6,2)
100 (6,9) 97 (44) 142 (64) 159 (72) 60 (27) 101 (46) 136 (62)
125 (8,6) 103 (47) 148 (67) 169 (77) 68 (31) 108 (49) 142 (64)
150 (10) 108 (49) 154 (70) 179 (81) 76 (35) 116 (53) 147 (67)
175 (12) 114 (52) 160 (73) 191 (87) 84 (38) 123 (56) 154 (70)
35 to 135
(2,4 to 9,3)
35 (2,4)
50 (3,4) 37 (17) 59 (27) 72 (33) 27 (12) 43 (20) 55 (25)
75 (5,2) 43 (20) 64 (29) 77 (35) 32 (15) 47 (21) 59 (27)
100 (6,9) 49 (22) 70 (32) 82 (37) 37 (17) 52 (24) 65 (30)
125 (8,6) 56 (25) 76 (34) 88 (40) 41 (19) 58 (26) 70 (32)
50 (3,4)
75 (5,2) 64 (29) 90 (41) 108 (49) 41 (19) 63 (29) 81 (37)
100 (6,9) 67 (30) 94 (43) 111 (50) 47 (21) 69 (31) 85 (39)
125 (8,6) 72 (33) 98 (44) 115 (52) 53 (24) 75 (34) 91 (41)
150 (10) 77 (35) 103 (47) 119 (54) 60 (27) 82 (37) 96 (44)
75 (5,2)
100 (6,9) 87 (39) 136 (62) 160 (73) 64 (29) 93 (42) 121 (55)
125 (8,6) 91 (41) 138 (63) 163 (74) 67 (30) 99 (45) 125 (57)
150 (10) 96 (44) 142 (64) 168 (76) 70 (32) 105 (48) 130 (59)
175 (12) 101 (46) 146 (66) 174 (79) 74 (34) 112 (51) 136 (62)
100 (6,9)
125 (8,6) 119 (54) 182 (83) 205 (93) 80 (36) 125 (57) 158 (72)
150 (10) 127 (58) 189 (86) 213 (97) 88 (40) 132 (60) 165 (75)
175 (12) 134 (61) 196 (89) 222 (101) 95 (43) 139 (63) 173 (79)
200 (14) 142 (64) 204 (93) 102 (46) 146 (66)
135 (9,3)
150 (10) 148 (67) 215 (98) 238 (108) 102 (46) 160 (73) 209 (95)
175 (12) 169 (77) 239 (108) 270 (123) 112 (51) 177 (80) 221 (100)
200 (14) 190 (86) 263 (119) 300 (136) 122 (55) 193 (88) 234 (106)
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
Table 9. Steam Capacities for 1/2-inch (DN 15) Body