Data Sheet

Bulletin 71.1:SR5
28
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
INLET,
PSIG (bar)
CAPACITIES IN GPM (l/min) OF WATER 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) 0.6 (2,3) 0.9 (3,4) 1.2 (4,5)
Not Available
25 (1,7) 0.9 (3,4) 1.3 (4,9) 1.5 (5,7)
50 (3,4) 0.9 (3,4) 1.2 (4,5) 1.3 (4,9)
5 (0,4)
10 (0,7) 0.9 (3,4) 1.4 (5,3) 1.8 (6,8)
25 (1,7) 1.1 (4,2) 1.5 (5,7) 2.0 (7,6)
50 (3,4) 1.3 (4,9) 1.7 (6,4) 2.1 (7,9)
8 (0,5)
10 (0,7) 1.0 (3,8) 1.6 (6,1) 2.3 (8,7)
25 (1,7) 1.2 (4,5) 1.9 (7,2) 2.5 (9,5)
50 (3,4) 1.5 (5,7) 2.2 (8,3) 2.7 (10)
5 to 25
(0,4 to 1,7)
5 (0,4)
25 (1,7) 1.1 (4,2) 1.6 (6,1) 2.0 (7,6) 1.0 (3,8) 1.2 (4,5) 1.5 (5,7)
50 (3,4) 1.3 (4,9) 1.6 (6,1) 2.0 (7,6) 1.1 (4,2) 1.4 (5,3) 1.7 (6,4)
75 (5,2) 1.3 (4,9) 1.6 (6,1) 1.8 (6,8) 1.1 (4,2) 1.4 (5,3) 1.7 (6,4)
15 (1,1)
25 (1,7) 1.7 (6,4) 2.7 (10) 3.4 (13) 1.0 (3,8) 1.7 (6,4) 2.4 (9,1)
50 (3,4) 2.1 (7,9) 2.9 (11) 3.6 (14) 1.5 (5,7) 2.2 (8,3) 2.8 (11)
75 (5,2) 2.3 (8,7) 3.0 (11) 3.6 (14) 1.8 (6,8) 2.5 (9,5) 3.0 (11)
25 (1,7)
35 (2,4) 2.4 (9,1) 3.5 (13) 4.5 (17) 1.3 (4,9) 2.3 (8,7) 3.3 (12)
50 (3,4) 2.5 (9,5) 3.6 (14) 4.6 (17) 1.6 (6,1) 2.6 (9,8) 3.6 (14)
75 (5,2) 2.7 (10) 3.8 (14) 4.7 (18) 2.0 (7,6) 3.0 (11) 3.8 (14)
10 to 50
(0,7 to 3,4)
10 (0,7)
25 (1,7) 1.3 (4,9) 2.1 (7,9) 2.6 (9,8) 1.0 (3,8) 1.4 (5,3) 2.0 (7,6)
50 (3,4) 1.6 (6,1) 2.3 (8,7) 2.7 (10) 1.2 (4,5) 1.7 (6,4) 2.2 (8,3)
100 (6,9) 1.7 (6,4) 2.3 (8,7) 2.5 (9,5) 1.5 (5,7) 1.9 (7,2) 2.2 (8,3)
25 (1,7)
50 (3,4) 2.5 (9,5) 3.7 (14) 4.5 (17) 1.5 (5,7) 2.5 (9,5) 3.4 (13)
75 (5,2) 2.7 (10) 3.7 (14) 4.6 (17) 1.8 (6,8) 2.8 (11) 3.6 (14)
100 (6,9) 2.8 (11) 3.7 (14) 4.5 (17) 2.1 (7,9) 3.0 (11) 3.6 (14)
50 (3,4)
75 (5,2) 3.3 (12) 5.3 (20) 6.5 (25) 2.2 (8,3) 3.5 (13) 4.8 (18)
100 (6,9) 3.5 (13) 5.4 (20) 6.6 (25) 2.5 (9,5) 3.8 (14) 5.1 (19)
125 (8,6) 3.7 (14) 5.4 (20) 6.5 (25) 2.7 (10) 4.1 (16) 5.2 (20)
25 to 90
(1,7 to 6,2)
25 (1,7)
50 (3,4) 2.1 (7,9) 3.3 (12) 4.1 (16) 1.6 (6,1) 2.5 (9,5) 3.1 (12)
100 (6,9) 2.5 (9,5) 3.5 (13) 4.1 (16) 2.1 (7,9) 2.8 (11) 3.3 (12)
125 (8,6) 2.5 (9,5) 3.4 (13) 3.9 (15) 2.2 (8,3) 2.8 (11) 3.3 (12)
50 (3,4)
75 (5,2) 3.2 (12) 4.8 (18) 6.2 (23) 2.2 (8,3) 3.4 (13) 4.5 (17)
100 (6,9) 3.3 (12) 5.0 (19) 6.2 (23) 2.5 (9,5) 3.6 (14) 4.7 (18)
125 (8,6) 3.5 (13) 5.1 (19) 6.2 (23) 2.7 (10) 3.8 (14) 4.8 (18)
150 (10) 3.6 (14) 5.1 (19) 6.1 (23) 2.9 (11) 4.0 (15) 4.8 (18)
75 (5,2)
100 (6,9) 3.8 (14) 5.7 (22) 7.5 (28) 2.4 (9,1) 4.0 (15) 5.5 (21)
125 (8,6) 4.0 (15) 5.9 (22) 7.6 (29) 2.7 (10) 4.3 (16) 5.8 (22)
150 (10) 4.3 (16) 6.1 (23) 7.7 (29) 3.1 (12) 4.7 (18) 6.0 (23)
175 (12) 4.5 (17) 6.2 (23) 7.7 (29) 3.4 (13) 4.9 (19) 6.2 (23)
90 (6,2)
100 (6,9) 3.7 (14) 5.7 (22) 6.8 (26) 2.3 (8,7) 4.0 (15) 5.8 (22)
125 (8,6) 3.9 (15) 6.0 (23) 7.3 (28) 2.6 (9,8) 4.4 (17) 6.1 (23)
150 (10) 4.2 (16) 6.3 (24) 7.7 (29) 2.9 (11) 4.7 (18) 6.4 (24)
175 (12) 4.4 (17) 6.5 (25) 8.1 (31) 3.3 (12) 5.0 (19) 6.6 (25)
35 to 135
(2,4 to 9,3)
35 (2,4)
50 (3,4) 2.1 (8,0) 3.4 (13) 4.4 (17) 1.5 (5,7) 2.5 (9,5) 3.3 (12)
75 (5,2) 2.4 (9,0) 3.7 (14) 4.6 (17) 1.8 (6,8) 2.7 (10) 3.6 (14)
100 (6,9) 2.7 (10) 3.9 (15) 4.7 (18) 2.0 (7,6) 3.0 (11) 3.7 (14)
125 (8,6) 2.9 (11) 4.1 (16) 4.8 (18) 2.2 (8,3) 3.1 (12) 3.8 (14)
50 (3,4)
75 (5,2) 3.1 (12) 4.6 (17) 5.8 (22) 2.0 (7,6) 3.2 (12) 4.4 (17)
100 (6,9) 3.3 (12) 4.8 (18) 5.9 (22) 2.3 (8,7) 3.5 (13) 4.6 (17)
125 (8,6) 3.5 (13) 4.9 (19) 5.9 (22) 2.6 (9,8) 3.8 (14) 4.7 (18)
150 (10) 3.6 (14) 5.0 (19) 5.9 (22) 2.8 (11) 4.0 (15) 4.8 (18)
75 (5,2)
100 (6,9) 3.6 (14) 5.9 (22) 7.4 (28) 2.6 (9,8) 4.1 (16) 5.6 (21)
125 (8,6) 3.8 (14) 6.1 (23) 7.6 (29) 2.8 (11) 4.4 (17) 5.8 (22)
150 (10) 4.0 (15) 6.2 (23) 7.7 (29) 2.9 (11) 4.6 (17) 5.9 (22)
175 (12) 4.2 (16) 6.3 (24) 7.7 (29) 3.1 (12) 4.8 (18) 6.0 (23)
100 (6,9)
125 (8,6) 4.3 (16) 7.0 (26) 8.4 (32) 2.9 (11) 4.8 (18) 6.5 (25)
150 (10) 4.7 (18) 7.4 (28) 8.8 (33) 3.2 (12) 5.1 (19) 6.8 (26)
175 (12) 5.0 (19) 7.6 (29) 9.1 (34) 3.5 (13) 5.4 (20) 7.1 (27)
200 (14) 5.3 (20) 7.9 (30) 3.8 (14) 5.7 (22)
135 (9,3)
150 (10) 4.7 (18) 7.3 (28) 8.6 (33) 3.2 (12) 5.4 (20) 7.5 (28)
175 (12) 5.4 (20) 8.1 (31) 9.8 (37) 3.6 (14) 6.0 (23) 8.0 (30)
200 (14) 6.2 (23) 9.0 (34) 11 (42) 4.0 (15) 6.6 (25) 8.5 (32)
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
Table 10. Water Capacities for 1/2-inch (DN 15) Body