Data Sheet

Bulletin 71.1:SR5
31
SPRING RANGE,
PSIG (bar)
SET
PRESSURE,
PSIG (bar)
INLET,
PSIG (bar)
CAPACITIES IN GPM (l/min) OF WATER AT % DROOP
1-1/2 x 1-inch (DN 40 x 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) 2.7 (10) 2.8 (11) 2.9 (11)
Not Available
25 (1,7) 4.2 (16) 5.1 (19) 5.2 (20)
50 (3,4) 6.2 (23) 8.2 (31) 8.3 (31)
5 (0,4)
10 (0,7) 2.6 (10) 2.8 (11) 6.0 (23)
25 (1,7) 3.5 (13) 4.5 (17) 7.5 (28)
50 (3,4) 4.8 (18) 6.8 (26) 9.4 (36)
8 (0,5)
10 (0,7) 5.5 (21) 7.4 (28) 8.2 (31)
25 (1,7) 7.4 (28) 8.6 (33) 9.1 (34)
50 (3,4) 9.9 (37) 10 (38) 10 (38)
5 to 25
(0,4 to 1,7)
5 (0,4)
25 (1,7) 3.9 (15) 4.8 (18) 7.4 (28) 3.5 (13) 4.4 (17) 6.8 (26)
50 (3,4) 5.4 (20) 6.8 (26) 9.0 (34) 4.9 (19) 6.1 (23) 8.2 (31)
75 (5,2) 6.6 (25) 8.3 (31) 10 (38) 6.0 (23) 7.5 (28) 9.0 (34)
15 (1,1)
25 (1,7) 7.8 (30) 8.5 (32) 17 (64) 3.8 (14) 5.0 (19) 7.0 (26)
50 (3,4) 8.4 (32) 11 (42) 18 (68) 5.9 (22) 7.7 (29) 10 (38)
75 (5,2) 8.8 (33) 13 (49) 18 (68) 7.7 (29) 10 (38) 12 (45)
25 (1,7)
35 (2,4) 12 (45) 19 (72) 26 (98) 4.2 (16) 6.4 (24) 11 (42)
50 (3,4) 13 (49) 20 (76) 27 (102) 5.8 (22) 8.2 (31) 13 (49)
75 (5,2) 15 (57) 21 (79) 28 (106) 8.1 (31) 10.9 (41) 16 (61)
10 to 50
(0,7 to 3,4)
10 (0,7)
25 (1,7) 5.8 (22) 8.9 (34) 14 (53) 4.1 (16) 4.5 (17) 5.8 (22)
50 (3,4) 7.8 (30) 11 (42) 15 (57) 6.2 (23) 7.1 (27) 8.6 (33)
100 (6,9) 11 (42) 14 (53) 18 (68) 9.3 (35) 11 (42) 13 (49)
25 (1,7)
50 (3,4) 13 (49) 22 (83) 30 (114) 6.0 (23) 7.7 (29) 12 (45)
75 (5,2) 15 (57) 23 (87) 31 (117) 8.2 (31) 10 (38) 14 (53)
100 (6,9) 17 (64) 25 (95) 32 (121) 10 (38) 13 (49) 17 (64)
50 (3,4)
75 (5,2) 22 (83) 37 (140) 44 (167) 9.3 (35) 15 (57) 24 (91)
100 (6,9) 25 (95) 38 (144) 47 (178) 10 (38) 16 (61) 25 (95)
125 (8,6) 27 (102) 40 (151) 50 (189) 11 (42) 18 (68) 26 (98)
25 to 90
(1,7 to 6,2)
25 (1,7)
50 (3,4) 7.2 (27) 15 (57) 25 (95) 7.2 (27) 11 (42) 16 (61)
100 (6,9) 14 (53) 20 (76) 29 (110) 11 (42) 15 (57) 21 (79)
125 (8,6) 16 (61) 22 (83) 30 (114) 12 (45) 16 (61) 23 (87)
50 (3,4)
75 (5,2) 19 (72) 31 (117) 43 (163) 10 (38) 19 (72) 32 (121)
100 (6,9) 21 (79) 33 (125) 45 (170) 11 (42) 20 (76) 33 (125)
125 (8,6) 23 (87) 35 (132) 46 (174) 12 (45) 22 (83) 33 (125)
150 (10) 24 (91) 36 (136) 47 (178) 13 (49) 23 (87) 34 (129)
75 (5,2)
100 (6,9) 24 (91) 39 (148) 48 (182) 12 (45) 22 (83) 36 (136)
125 (8,6) 26 (98) 42 (159) 53 (201) 15 (57) 25 (95) 39 (148)
150 (10) 28 (106) 45 (170) 56 (212) 17 (64) 27 (102) 41 (155)
175 (12) 30 (114) 47 (178) 60 (227) 19 (72) 30 (114) 43 (163)
90 (6,2)
100 (6,9) 24 (91) 36 (136) 42 (159) 13 (49) 23 (87) 37 (140)
125 (8,6) 27 (102) 41 (155) 51 (193) 14 (53) 26 (98) 40 (151)
150 (10) 30 (114) 46 (174) 57 (216) 16 (61) 28 (106) 42 (159)
175 (12) 33 (125) 50 (189) 62 (235) 17 (64) 31 (117) 44 (167)
35 to 135
(2,4 to 9,3)
35 (2,4)
50 (3,4) 9.9 (37) 16 (61) 25 (95) 9.0 (34) 15 (57) 21 (79)
75 (5,2) 13 (49) 20 (76) 28 (106) 12 (45) 17 (64) 23 (87)
100 (6,9) 15 (57) 23 (87) 31 (117) 13 (49) 19 (72) 26 (98)
125 (8,6) 17 (64) 26 (98) 34 (129) 14 (53) 20 (76) 28 (106)
50 (3,4)
75 (5,2) 19 (72) 27 (102) 36 (136) 11 (42) 17 (64) 26 (98)
100 (6,9) 19 (72) 29 (110) 38 (144) 13 (49) 20 (76) 28 (106)
125 (8,6) 20 (76) 31 (117) 40 (151) 15 (57) 22 (83) 30 (114)
150 (10) 20 (76) 33 (125) 42 (159) 17 (64) 24 (91) 32 (121)
75 (5,2)
100 (6,9) 22 (83) 37 (140) 48 (182) 10 (38) 19 (72) 31 (117)
125 (8,6) 24 (91) 40 (151) 52 (197) 14 (53) 23 (87) 36 (136)
150 (10) 27 (102) 42 (159) 56 (212) 17 (64) 27 (102) 40 (151)
175 (12) 29 (110) 44 (167) 59 (223) 19 (72) 30 (114) 43 (163)
100 (6,9)
125 (8,6) 25 (95) 44 (167) 51 (193) 15 (57) 26 (98) 38 (144)
150 (10) 27 (102) 47 (178) 62 (235) 17 (64) 29 (110) 42 (159)
175 (12) 29 (110) 50 (189) 67 (254) 19 (72) 32 (121) 46 (174)
200 (14) 31 (117) 52 (197) 20 (76) 35 (132)
135 (9,3)
150 (10) 16 (61) 45 (170) 51 (193) 14 (53) 32 (121) 47 (178)
175 (12) 28 (106) 56 (212) 62 (235) 20 (76) 35 (132) 53 (201)
200 (14) 39 (148) 63 (238) 71 (269) 22 (83) 39 (148) 58 (220)
Shaded areas indicate conditions where maximum differential pressure for the spring range is exceeded.
Table 10. Water Capacities for 1-1/2 x 1-inch (DN 40 x 25) Body (continued)