Section No. 8.2
Series
3030
3030 Two-Way Valve, Low Pressure Application This valve is ideally suited for on/off or modulating control of liquid, oil, or gas on low pressure applications for use on oil and gas production separators, heater treaters, compressors, or any type of liquid accumulator.
Features • Industry Standard • Easy Access: All internal parts can be removed without taking valve out of line. • Optional Seat: Integral or Removable • Pressed Steel Topworks: #20, #50, Normally Closed, or Normally Open • Visual Indicator
Specifications Size . . . . . . . . . . . . . . . . . . . . . . . . . 1" or 2" Globe, 2" Angle Working Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 psi
Dimensional Data
Temperature . . . . . . . . . . . . . . . . . . -50˚F to +250˚F Standard (other materials available) Size Topworks . . . . . . . . . . . . . . . . . . . . . . . . . . . . #20 or #50 81/2 Dia.(#20) 121/2 Dia.(#50)
Topworks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Press Steel Diaphragm . . . . . . . . . . . . . . . . . . Nylon Reinforced Buna-N
81/2 Dia.(#20) 121/2 Dia.(#50) 16 1/2 (#20 Topworks) 17 1/8 (#50 Topworks)
Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ductile Iron
14 7/8 (#20 Topworks) 15 1/2 (#50 Topworks)
Material
(50 psi pressure max.)
(other materials available)
7 5/8 2"NPT Globe Valve
Trim
3 3/4
Packing . . . . . . . . . . . . . . . . Reinforced Nitrile "W" Standard
1 7/8
Stem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .316 SS
3 3/4 2"NPT Angle Valve
Seat . . . . . . . . . . . Integral in Valve Body or SS Removable
1 5/8
1 11/16
Plug . . . . . . 303 SS with Molded Nitrile or Fabricated Insert
6 1/2 2" Grooved Globe Body
The
5 1/4 1"NPT Globe Body
Company, L.L.C. • Oklahoma City, Oklahoma • Tel: (405) 672-6660 • Fax: (405) 672-6661 • wellmarkco.com
©2003 The WellMark Company • Litho USA • WM3030-10/03 • All registered trademarks are the property of their respective owners.
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