Standard duty float valves, Standard duty valves flow specifications, Standard duty – Watts Thread Adaptors User Manual
Page 8
8
Standard Duty Valves
Flow Specifications
INLET PRESSURE -psi
Size
Model
Inches
5 15 25 35 55 65 85 105 125
GPM
ST375
3
⁄
8
5.7 11.5 14.2 16.0 19.0 20.5 23.0 25.0 27.0
ST500
1
⁄
2
7.0 12.5 15.5 17.2 21.0 22.5 24.7 27.0 29.0
ST750
3
⁄
4
12.0 21.0 27.5 30.5 37.7 41.0 46.5 48.0 53.0
ST1000 1 25.0 38.0 60.0 64.0 70.0 74.0 82.5 90.0 97.0
ST1250 1
1
⁄
4
64.0 90.0 110.0 129 158 170 192 214 233
ST1500 1
1
⁄
2
64.0 90.0 110.0 129 158 170 192 214 233
ST2000 2 64.0 90.0 110.0 129 158 170 192 214 233
Standard Duty
3
⁄
8
" through 1" Bronze body with MNPT threaded inlet and outlet,
1
1
⁄
4
" through 2" Bronze body with female NPT inlet-open outlet.
Cotter pin pivot arm assembly. Replaceable plungers.
Maximum Pressure - 125psi • Maximum Temperature 180°F
Pipe Stem Inner Master Weight
Model
Size
Fitting
Pack
Pack
each (oz.)
ST375
3
⁄
8
"
1
⁄
4
-20 10 40 9.8
ST500
1
⁄
2
"
1
⁄
4
-20 10 40 10.5
ST750
3
⁄
4
"
1
⁄
4
-20 10 40 13.2
ST1000
1"
1
⁄
4
-20 5 10 17.5
ST1250
1
1
⁄
4
"
3
⁄
8
-16 5 10 50.5
ST1500
1
1
⁄
2
"
3
⁄
8
-16 5 10 50.2
ST2000
2"
3
⁄
8
-16 5 10 50.8
NOTE: See pages 5 and 6 for stems, floats and adapters.
3
⁄
8
" - 1"
Threaded Outlet
Standard Duty Float Valves
1
1
⁄
4
" - 2"
Non-Threaded Outlet