Watts Thread Adaptors - Manual (Page 3)

3
Inlet Pressure (psi)
Valve Size 20 40 60 80 100 120 140 160
(Inches)
4" x 5" Float 5" Dia. Float
3 ⁄
8
4" Dia. Float and #11 Stem and and 6" Dia. Float and #11 Stem
#11 Stem #11 Stem
4" Dia. Float 4" x 5" Float 5" Dia. Float 8" Dia. Float
1 ⁄
2 and and and 6" Dia. Float and #11 Stem and
#11 Stem #11 Stem #11 Stem #11.5 Stem
4" Dia. Float 4" x 5" Float 5" Dia. Float 6" Dia. Float
3 ⁄
4 and and and and 7" Dia. Float and #11.5 Stem
#11 Stem #11 Stem #11 Stem #11.5 Stem
7" Dia. Float 8" Dia. Float 10" Dia. Float 12" Dia. Float
1 and and and and
#11.5 Stem #12.5 Stem #12.5 Stem #12.5 Stem
8" Dia. Float 10" Dia. Float 12" Dia. Float P16 Float
1 1 ⁄
4
to 2 and and and and
#13 Stem #13 Stem #13 Stem #13 Stem
This chart is used to select the proper float and stem for the selected valve size at a given inlet pressure. Do not exceed the maximum pressure of the selected valve. Example:
Valve inlet - 3 ⁄
4
”, inlet pressure - 85psi, use a 6” diameter float and a #11.5 stem.
Heavy Duty Float Valves
Features
• Pipe-threaded for pipe connections and
straight-pipe threaded for locknut
• Machined flange for support against tank wall
• All bronze bodies
• Serrated arms for quick easy adjustment of water
level (all sizes)
• High tensile manganese bronze long and short arms
• No jam single lever action
• Replaceable seals
Flow Specifications
Size Pressure Flow Pressure Flow
3 ⁄
8
" 50psi 14 gpm 100psi 21 gpm
1 ⁄
2
" 50psi 20 gpm 100psi 31 gpm
3 ⁄
4
" 50psi 40 gpm 100psi 60 gpm
1" 50psi 100 gpm 100psi 150 gpm
1 1 ⁄
4
" - 2" 50psi 250 gpm 100psi 348 gpm
Item Qty. Description Material
1 1 Body Bronze
2 1 Plunger Brass
3 1 Long arm Bronze
4 1 Short arm Bronze
5 1 Plunger tip Buna-N
6 1 Leather ring –
7 1 Thumb screw Brass
8 1 Cotter pin Stainless Steel
Recommended Sizes
No Jam
Linkage
Machined Flange
High Tensile
Manganese
Bronze Arm Set
Serrated Arms
Pipe/Straight
Thread (NPSM)
All Bronze Body
Cotter Pin
Pivot Assembly
Inlet
Connection
(FNPT)