Data Sheet

Bulletin 71.1:SR5
29
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
INLET,
PSIG (bar)
CAPACITIES IN GPM (l/min) OF WATER AT % DROOP
3/4-inch (DN 20) 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) 1.4 (5,3) 1.7 (6,4) 1.9 (7,2)
Not Available
25 (1,7) 1.7 (6,4) 1.9 (7,2) 2.2 (8,3)
50 (3,4) 1.9 (7,2) 2.1 (7,9) 2.4 (9,1)
5 (0,4)
10 (0,7) 1.9 (7,2) 2.6 (9,8) 3.6 (14)
25 (1,7) 2.2 (8,3) 3.1 (12) 4.1 (16)
50 (3,4) 2.4 (9,1) 3.7 (14) 4.8 (18)
8 (0,5)
10 (0,7) 2.1 (7,9) 3.6 (14) 4.7 (18)
25 (1,7) 2.3 (8,7) 3.9 (15) 5.4 (20)
50 (3,4) 2.6 (9,8) 4.1 (16) 6.1 (23)
5 to 25
(0,4 to 1,7)
5 (0,4)
25 (1,7) 2.2 (8,3) 3.2 (12) 4.1 (16) 1.9 (7,2) 2.6 (9,8) 3.2 (12)
50 (3,4) 3.1 (12) 4.0 (15) 4.9 (19) 2.6 (9,8) 3.3 (12) 3.8 (14)
75 (5,2) 3.8 (14) 4.6 (17) 5.5 (21) 3.1 (12) 3.8 (14) 4.3 (16)
15 (1,1)
25 (1,7) 3.2 (12) 5.4 (20) 8.0 (30) 2.2 (8,3) 3.3 (12) 4.5 (17)
50 (3,4) 4.0 (15) 6.2 (23) 8.8 (33) 3.1 (12) 4.4 (17) 5.6 (21)
75 (5,2) 4.6 (17) 6.8 (26) 9.2 (35) 3.7 (14) 5.2 (20) 6.5 (25)
25 (1,7)
35 (2,4) 4.9 (19) 8.6 (33) 11.3 (43) 2.1 (7,9) 3.6 (14) 5.1 (19)
50 (3,4) 5.0 (19) 8.9 (34) 11.7 (44) 2.8 (11) 4.4 (17) 6.2 (23)
75 (5,2) 5.1 (19) 9.2 (35) 12.0 (45) 3.9 (15) 5.7 (22) 7.9 (30)
10 to 50
(0,7 to 3,4)
10 (0,7)
25 (1,7) 2.0 (7,6) 3.0 (11) 5.0 (19) 1.8 (6,8) 2.8 (11) 4.6 (17)
50 (3,4) 2.5 (9,5) 3.4 (13) 4.9 (19) 2.3 (8,7) 3.1 (12) 4.5 (17)
100 (6,9) 3.2 (12) 3.8 (14) 4.5 (17) 3.0 (11) 3.5 (13) 4.2 (16)
25 (1,7)
50 (3,4) 3.8 (14) 7.1 (27) 11.0 (42) 3.5 (13) 6.3 (24) 8.9 (34)
75 (5,2) 4.2 (16) 7.8 (30) 11.3 (43) 3.8 (14) 7.4 (28) 9.9 (37)
100 (6,9) 4.4 (17) 8.3 (31) 11.4 (43) 4.1 (16) 8.4 (32) 10.6 (40)
50 (3,4)
75 (5,2) 8.0 (30) 13.5 (51) 17.1 (65) 6.1 (23) 8.6 (33) 11.7 (44)
100 (6,9) 8.6 (33) 14.0 (53) 18.0 (68) 6.2 (23) 9.2 (35) 12.6 (48)
125 (8,6) 9.1 (34) 14.3 (54) 18.2 (69) 6.2 (23) 9.7 (37) 13.3 (50)
25 to 90
(1,7 to 6,2)
25 (1,7)
50 (3,4) 4.8 (18) 7.3 (28) 10.1 (38) 2.3 (8,7) 4.9 (19) 5.5 (21)
100 (6,9) 6.0 (23) 8.5 (32) 11.1 (42) 4.0 (15) 6.5 (25) 8.0 (30)
125 (8,6) 6.5 (25) 8.9 (34) 11.4 (43) 4.7 (18) 7.2 (27) 8.9 (34)
50 (3,4)
75 (5,2) 7.0 (26) 11.1 (42) 15.6 (59) 4.3 (16) 7.4 (28) 10.8 (41)
100 (6,9) 7.6 (29) 11.9 (45) 16.4 (62) 5.4 (20) 8.7 (33) 12.1 (46)
125 (8,6) 8.2 (31) 12.6 (48) 16.9 (64) 6.4 (24) 9.9 (37) 13.2 (50)
150 (10) 8.8 (33) 13.1 (50) 17.4 (66) 7.3 (28) 11.0 (42) 14.1 (53)
75 (5,2)
100 (6,9) 9.4 (36) 15.6 (59) 18.6 (70) 5.6 (21) 9.2 (35) 13.3 (50)
125 (8,6) 10.1 (38) 16.1 (61) 20.2 (76) 6.6 (25) 10.5 (40) 14.7 (56)
150 (10) 10.7 (40) 16.6 (63) 20.4 (77) 7.5 (28) 11.7 (44) 16.0 (61)
175 (12) 11.2 (42) 16.9 (64) 21.3 (81) 8.3 (31) 12.8 (48) 17.2 (65)
90 (6,2)
100 (6,9) 9.4 (36) 14.3 (54) 16.4 (62) 6.2 (23) 10.6 (40) 15.6 (59)
125 (8,6) 10.2 (39) 15.6 (59) 19.6 (74) 7.0 (26) 11.7 (44) 16.7 (63)
150 (10) 10.9 (41) 16.6 (63) 21.5 (81) 7.8 (30) 12.8 (48) 17.7 (67)
175 (12) 11.6 (44) 19.5 (74) 26.7 (101) 8.5 (32) 13.7 (52) 18.5 (70)
35 to 135
(2,4 to 9,3)
35 (2,4)
50 (3,4) 5.2 (20) 8.0 (30) 10.4 (39) 3.0 (11) 4.1 (16) 6.5 (25)
75 (5,2) 5.9 (22) 9.0 (34) 11.5 (44) 4.2 (16) 5.9 (22) 8.4 (32)
100 (6,9) 6.5 (25) 9.8 (37) 12.4 (47) 5.3 (20) 7.5 (28) 10.0 (38)
125 (8,6) 7.0 (26) 10.5 (40) 13.1 (50) 6.3 (24) 8.9 (34) 11.4 (43)
50 (3,4)
75 (5,2) 7.3 (28) 10.6 (40) 15.3 (58) 5.3 (20) 7.8 (30) 11.1 (42)
100 (6,9) 7.7 (29) 11.2 (42) 15.6 (59) 5.9 (22) 8.7 (33) 12.0 (45)
125 (8,6) 8.0 (30) 11.7 (44) 15.9 (60) 6.4 (24) 9.5 (36) 12.9 (49)
150 (10) 8.2 (31) 12.1 (46) 16.0 (61) 6.9 (26) 10.2 (39) 13.5 (51)
75 (5,2)
100 (6,9) 8.4 (32) 13.6 (51) 18.6 (70) 6.2 (23) 9.9 (37) 13.7 (52)
125 (8,6) 8.8 (33) 14.4 (55) 19.8 (75) 6.9 (26) 10.9 (41) 14.9 (56)
150 (10) 9.2 (35) 15.1 (57) 20.6 (78) 7.5 (28) 11.7 (44) 15.9 (60)
175 (12) 9.6 (36) 15.7 (59) 21.3 (81) 8.1 (31) 12.5 (47) 16.9 (64)
100 (6,9)
125 (8,6) 9.8 (37) 16.8 (64) 20.0 (76) 6.8 (26) 11.7 (44) 16.5 (62)
150 (10) 10.6 (40) 17.4 (66) 22.3 (84) 7.3 (28) 12.6 (48) 17.7 (67)
175 (12) 11.2 (42) 18.0 (68) 23.6 (89) 7.8 (30) 13.4 (51) 18.8 (71)
200 (14) 11.9 (45) 18.5 (70) 8.3 (31) 14.1 (53)
135 (9,3)
150 (10) 12.1 (46) 17.5 (66) 20.1 (76) 7.1 (27) 13.3 (50) 19.4 (73)
175 (12) 12.3 (47) 19.9 (75) 24.2 (92) 8.2 (31) 14.2 (54) 20.2 (76)
200 (14) 12.3 (47) 21.8 (83) 27.0 (102) 9.2 (35) 15.0 (57) 21.0 (79)
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
Table 10. Water Capacities for 3/4-inch (DN 20) Body (continued)