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Angle Plates

Municipal water valve lift nut

Producing special multi-start threads is our specialty. Custom threading routines are used. Master programs, along with rigid machine tools, allow us to easily cut special multi-start threads. These lift nuts are used to operate 42 inch plug valves in a municipal water distribution system.

Rough material was pre-machined and penetrant tested by foundry
3000 lb. crane capacity

Loading into 24" four jaw chuck
Loading 800 lb. casting

Okuma LU-45 with OSP 7000 control
Custom threading routines are used when beneficial.

25 inch flange O.D.
Threading with special 5" boring bar

Closeup of threads
Special six start, one inch pitch, six inch lead, 13.5 inch diameter internal acme thread


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Quality

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Order Forms

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