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Float Valve
Pressure and Flow Capacities

Bob® & Bobby ® Valve GPM at Various Inlet Pressures

  • Maximum PSI for Standard (-5) Assembly with minimum recommended Stem and Float size
  • Free Flow GPM measured with valve in the Full Open Position

Bob® R400, R900 Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
125 PSI 3/8" 13 11.5 10.4 9 7.8 6 4.2
125 PSI 1/2" 22 18 16 12 10 8.5 5.7
100 PSI 3/4" 39.9 32.5 28.8 21 15.2 12.1 9
100 PSI 1" 68.5 61 55 43.5 37.8 24 15.1

Bob® R600 Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
125 PSI All 120 105 98 82 68 53 27.5

Bob® RF605T Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
115 PSI 1/2" 27 24 20.5 18 15 12 8
115 PSI 3/4" 27 24 20.5 18 15 12 8
115 PSI 1" 110 96 80 63 47 36 27

Bob® R605T Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
115 PSI 1-1/4" 180 152 140 112 84 62.5 27.5
115 PSI 1-1/2" 180 152 140 112 84 62.5 27.5
115 PSI 2" 180 152 140 112 84 62.5 27.5

Bob® R610, RF610 Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
115 PSI All 180 152 140 112 84 62.5 27.5

Bob® R700 Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
125 PSI 3/8" 13 11.5 10.4 9 7.8 6 4.2
125 PSI 1/2" 22 18 16 12 10 8.5 5.7
100 PSI 3/4" 39.9 32.5 28.8 21 15.2 12.1 9

Bob® RC810, *R810 Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
120 PSI 3/8" 13 11.5 10.4 9 7.8 6 4.2
120 PSI 1/2" 22.5 20 18 14 12 9.5 5.5
100 PSI 3/4" 36 33 30 27 24 21 10
100 PSI *1" 138 121 106 80 65 52.5 30

Bob® R1350, R1360 Series Valves GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
85 PSI All 58 52 48 37.5 31 26 8

Bob® R1370 Series Valve GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
85 PSI All 71.1 62.4 57.5 52.5 41.2 25.9 16.3

Bob® R1380 Series Valve GPM

Max PSI

Size

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
100 PSI All 180 152 140 112 84 62.5 27.5

All Bobby® Valves (Oz. per Min) GPM

Max PSI

Orifice

85 PSI

65 PSI

55 PSI

35 PSI

25 PSI

15 PSI

5 PSI
125 PSI .052 (64) (54) (39) (27) (21) (17) (11)
.063 (90) (80) (72) (56) (52) (40) (22)
.093 1.5 1.4 1.3 1.03 (104) (80) (44)
.125 2.25 1.875 1.59 1.31 1.0 (96) (56)
.156 3.5 3.25 3 2.5 2.25 2 1.5
.200 7.5 7 6.5 5 4 3.125 2.125
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