Data Sheet

Bulletin 71.1:SR5
30
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
INLET,
PSIG (bar)
CAPACITIES IN GPM (l/min) OF WATER AT % DROOP
1-inch (DN 25) 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) 2.4 (9,1) 2.5 (9,5) 2.6 (9,8)
Not Available
25 (1,7) 3.7 (14) 4.5 (17) 4.6 (17)
50 (3,4) 5.4 (20) 7.1 (27) 7.2 (27)
5 (0,4)
10 (0,7) 2.3 (8,7) 2.5 (9,5) 5.4 (20)
25 (1,7) 3.1 (12) 4.0 (15) 6.6 (25)
50 (3,4) 4.2 (16) 6.0 (23) 8.2 (31)
8 (0,5)
10 (0,7) 5.0 (19) 6.7 (25) 7.4 (28)
25 (1,7) 6.6 (25) 7.7 (29) 8.1 (31)
50 (3,4) 8.7 (33) 8.9 (34) 8.9 (34)
5 to 25
(0,4 to 1,7)
5 (0,4)
25 (1,7) 3.5 (13) 4.3 (16) 6.6 (25) 3.1 (12) 3.9 (15) 5.9 (22)
50 (3,4) 4.7 (18) 5.9 (22) 7.9 (30) 4.3 (16) 5.3 (20) 7.1 (27)
75 (5,2) 5.8 (22) 7.2 (27) 8.9 (34) 5.2 (20) 6.5 (25) 8.0 (30)
15 (1,1)
25 (1,7) 7.0 (26) 7.6 (29) 15 (57) 3.4 (13) 4.5 (17) 6.3 (24)
50 (3,4) 7.4 (28) 9.8 (37) 16 (61) 5.2 (20) 6.8 (26) 8.8 (33)
75 (5,2) 7.8 (30) 12 (45) 16 (61) 6.8 (26) 8.8 (33) 11 (42)
25 (1,7)
35 (2,4) 11 (42) 17 (64) 24 (91) 3.8 (14) 5.8 (22) 9.8 (37)
50 (3,4) 12 (45) 18 (68) 24 (91) 5.1 (19) 7.3 (28) 11 (42)
75 (5,2) 13 (49) 19 (72) 25 (95) 7.1 (27) 9.6 (36) 14 (53)
10 to 50
(0,7 to 3,4)
10 (0,7)
25 (1,7) 5.2 (20) 7.9 (30) 12 (45) 3.7 (14) 4.0 (15) 5.1 (19)
50 (3,4) 6.8 (26) 9.7 (37) 13 (49) 5.5 (21) 6.2 (23) 7.5 (28)
100 (6,9) 9.3 (35) 13 (49) 15 (57) 8.2 (31) 9.5 (36) 11 (42)
25 (1,7)
50 (3,4) 11 (42) 19 (72) 26 (98) 5.4 (20) 6.9 (26) 10 (38)
75 (5,2) 13 (49) 21 (79) 27 (102) 7.2 (27) 9.2 (35) 13 (49)
100 (6,9) 14 (53) 22 (83) 28 (106) 8.8 (33) 11 (42) 15 (57)
50 (3,4)
75 (5,2) 20 (76) 33 (125) 40 (151) 8.3 (31) 14 (53) 21 (79)
100 (6,9) 22 (83) 34 (129) 42 (159) 9.2 (35) 15 (57) 22 (83)
125 (8,6) 24 (91) 35 (132) 44 (167) 10 (38) 15 (57) 23 (87)
25 to 90
(1,7 to 6,2)
25 (1,7)
50 (3,4) 6.4 (24) 13 (49) 22 (83) 6.4 (24) 9.6 (36) 14 (53)
100 (6,9) 12 (45) 17 (64) 25 (95) 9.4 (36) 13 (49) 18 (68)
125 (8,6) 14 (53) 19 (72) 26 (98) 11 (42) 14 (53) 20 (76)
50 (3,4)
75 (5,2) 17 (64) 28 (106) 39 (148) 9.3 (35) 17 (64) 29 (110)
100 (6,9) 19 (72) 29 (110) 40 (151) 10 (38) 18 (68) 29 (110)
125 (8,6) 20 (76) 31 (117) 41 (155) 11 (42) 19 (72) 29 (110)
150 (10) 21 (79) 32 (121) 41 (155) 12 (45) 20 (76) 29 (110)
75 (5,2)
100 (6,9) 21 (79) 35 (132) 44 (167) 11 (42) 20 (76) 33 (125)
125 (8,6) 23 (87) 37 (140) 47 (178) 13 (49) 22 (83) 34 (129)
150 (10) 25 (95) 40 (151) 50 (189) 15 (57) 24 (91) 36 (136)
175 (12) 26 (98) 42 (159) 52 (197) 17 (64) 26 (98) 38 (144)
90 (6,2)
100 (6,9) 22 (83) 33 (125) 39 (148) 11 (42) 21 (79) 34 (129)
125 (8,6) 24 (91) 37 (140) 45 (170) 13 (49) 23 (87) 36 (136)
150 (10) 27 (102) 41 (155) 50 (189) 14 (53) 25 (95) 38 (144)
175 (12) 29 (110) 44 (167) 55 (208) 15 (57) 27 (102) 39 (148)
35 to 135
(2,4 to 9,3)
35 (2,4)
50 (3,4) 8.9 (34) 15 (57) 22 (83) 8.0 (30) 14 (53) 19 (72)
75 (5,2) 11 (42) 18 (68) 25 (95) 10 (38) 15 (57) 21 (79)
100 (6,9) 13 (49) 20 (76) 27 (102) 11 (42) 16 (61) 23 (87)
125 (8,6) 15 (57) 22 (83) 29 (110) 12 (45) 18 (68) 24 (91)
50 (3,4)
75 (5,2) 17 (64) 24 (91) 32 (121) 9.7 (37) 16 (61) 23 (87)
100 (6,9) 17 (64) 26 (98) 34 (129) 11 (42) 18 (68) 25 (95)
125 (8,6) 17 (64) 27 (102) 35 (132) 13 (49) 19 (72) 26 (98)
150 (10) 18 (68) 29 (110) 37 (140) 15 (57) 21 (79) 28 (106)
75 (5,2)
100 (6,9) 20 (76) 33 (125) 43 (163) 9.2 (35) 17 (64) 28 (106)
125 (8,6) 22 (83) 35 (132) 46 (174) 12 (45) 20 (76) 32 (121)
150 (10) 24 (91) 37 (140) 49 (185) 15 (57) 24 (91) 35 (132)
175 (12) 25 (95) 39 (148) 51 (193) 17 (64) 27 (102) 38 (144)
100 (6,9)
125 (8,6) 23 (87) 40 (151) 47 (178) 13 (49) 23 (87) 34 (129)
150 (10) 24 (91) 42 (159) 55 (208) 15 (57) 26 (98) 37 (140)
175 (12) 26 (98) 44 (167) 59 (223) 17 (64) 28 (106) 40 (151)
200 (14) 27 (102) 46 (174) 18 (68) 31 (117)
135 (9,3)
150 (10) 14 (53) 41 (155) 48 (182) 13 (49) 28 (106) 42 (159)
175 (12) 25 (95) 50 (189) 57 (216) 18 (68) 32 (121) 47 (178)
200 (14) 35 (132) 56 (212) 66 (250) 20 (76) 35 (132) 52 (197)
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
Table 10. Water Capacities for 1-inch (DN 25) Body (continued)