ML19256D052
| ML19256D052 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 11/22/1975 |
| From: | Maccary R Office of Nuclear Reactor Regulation |
| To: | Goller K Office of Nuclear Reactor Regulation |
| References | |
| 751222, NUDOCS 7910160776 | |
| Download: ML19256D052 (1) | |
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R. Coller, Assistant Director for Operating Reactors Division of P2 actor Licensing REVIEW OF MAI'I STRAM ISOLATION VALVE DESIGN FOR THREZ MILE IE~ AND U'CT 1
( TAR-2156)
Plant Na=e: Three Mile Island Unit 1 Licensin3 Stage: Operating Docket No.: 50-239 Responsible RL Branch & Project Manager:
OR3-4, D. N. Bridges Responding TR Branch & Technical Reviewer: MEB, R. J. Kiessel Reviav Status: Complete In response to your request, the Mechanical Engineering Branch has reviewed the technical studies " Disc Velocity at Inpact with Seat for Line Break at Upstream Side of Size 24 Fig. 607 Non-Return Valve" snd
" Energy Absorption in the Size 24 Fig. 607 Valve Seat and Disc" submitted with Meted letter dated October 3,1975.
Thw new information adequately covers the outstanding issue of nain steam isolation valve design.
R. R. Maccary, Assistant Director for Engineering Division of Technical Eeviev cc v/ encl:
R. E. Heineman, TR R. W. Reid, RL J. P. Knight. TR D. N. Erddges, RL R. J. Sosnak, TR J. M. Kovacs TR C. M. Traanell, III, PJ R. J. Kiessel. TR cc w/o encl:
R. Soyd, RL
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