Lift Check, Non-Metallic Disc
Lunkenheimer Lift Check Valves
Fig 231
Ruggedly designed for dependable operation in general service use where full, free flow is required. Non-metallic discs close readily to a tight seat and are quick and inexpensive to replace. Valves function in either the vertical or horizontal position.
Discs
Renewable, non-metallic resilient Teflon discs are compounded for maximum wear and tightness. Depth of disc holder is equal to the thickness of the disc and provides full rim protection.
Seats
Integral. Aligned for tight dependable seating.
Side Plugs
Renewable. Serve as bearings for disc carrier pins. Easy to replace.
Seats
Integral. Surface is rounded for narrow line contact and tighter seating.
Bodies
Proportioned for maximum strength, full flow. Large clearances at ends of pipe threads permit tight joints without pipe ends jamming diaphragms, distorting seat, or choking flow.
Caps
To prevent damage and leakage, the collar does not extend beyond the body neck. Wide flats for firm wrench grip. Strong threads for tight joints.
Maintenance
To renew disc, simply unscrew locknut from disc holder, remove old disc, and insert new one.
Lunkenheimer Lift Check Valves: Fig 231
