Section No. 9.1
Series
5050
5050 Two-Way Double Seated Valve (Balanced) Application These valves are used where higher flow is desired with little force required to operate. These pilot operated double seated, near balanced, valves perform ideally for this service. Additionally, they have been used successfully on separators, meters, and water knockouts, where a reduced signal pressure is available.
Features • Available in 2" Threaded; 2" 3", and 4" Flanged; Globe or Angle; Ductile Iron • Unique Buna’N or Viton Seat Plugs: Designed for high capacity, smooth flow, and positive sealing. • SS Internal Wetted Parts
Dimensional Data
• Pressed Steel Topworks
Specifications Working Presure
2" Threaded
2", 3", & 4" Flanged
400 psi
275 psi
Temperature . . . . . . . . . . . . . . . . . . .-50˚F to +250˚F Standard
8 1/2 Dia. "J" Approx.
Size
(other materials available)
General Dimensions
Size Topworks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .#20
"C"
Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Ductile Iron
"D" Dia.
Material
Size 2" 3" 4"
“A” “C” 7 3/ 4" 3 7/ 16" 11" 4 1/ 4" 12 3/ 4" 5"
“D” 6" 7 1/ 2" 9"
“J” 17" 18" 19"
Topworks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Press Steel Diaphragm . . . . . . . . . . . . . . . . . . .Nylon Reinforced Buna-N
"A"
2",3"and 4" Flanged Globe Valve
(50 psi pressure max.) Stem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .303 SS Packing . . . . . . . . . . . . . . . . . . . . .Cotton Reinforced Buna-N
4 7 3/4
2" NPT Globe Valve
The
8 1/2 Dia. 17" Approx.
17" Approx.
8 1/2 Dia.
3 7/16
Trim . . . . . . . . . .Buna-N or Viton® Molded Plug, Integral Seat
4"
2" NPT Angle Valve
Company, L.L.C. • Oklahoma City, Oklahoma • Tel: (405) 672-6660 • Fax: (405) 672-6661 • wellmarkco.com
©2002 The WellMark Company • Litho USA • WM5050-9/02 • All registered trademarks are the property of their respective owners.
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