Part 21 Report - 1995-110
ACCESSION #: 9504100276
BETTIS CORPORATION 18703 GH Circle
Actuators & Controls P.O. Box 508
Waller, Texas 77484
April 6, 1995
US Nuclear Regulatory Commission
Office of Inspection & Enforcement
Washington, DC 20555
Attention: Document Control Desk
Subject: 10CFR21 Notification
This formal notification concerns the potential spring problem with
Bettis Actuator, model NHD732-SR80, furnished in 1991 - 1992.
This notification was generated by an isolated warranty repair request.
During the evaluation process it was determined the failure was due to a
broken spring. The actuators were shipped in 1990 and have been in
service for two (2) years, stroking every five (5) minutes continuously
for twenty-four (24) hours a day in a hydrogen fed service, in a high
cycle commercial application.
The following customers have been notified by Federal Express this date.
The corrective action report associated with this notification is CAR
Customer Purchase Order Bettis S.O. Serial No.
C & S Valve TDN-01026 91-9000A 1
C & S Valve TDN-01030 91-9001A 1
Enertech 57929-3 91-9008A 1-3
Enertech 58712-4 92-9004A 1-2
Neles Jamesbury 16140 91-9015A 4-21
The spring supplier was removed from the Bettis Approved Vendor List in
1992. Inventory has been purged, to verify that all springs (P/N 013752)
from Coiling Technology have been removed. Customers are requested to
contact Bettis for additional information or concerning the spring
Anthony T. Locascio
Manager of Quality Assurance & Safety
BETTIS Msg. #:
P.O. Box 508
Waller, TX 77484 # Pages: 2
Phone: (713) 463-5100
Company: US Nuclear Regulatory Date: April 6, 1995
Attention: Document Control Desk Reply to: X 713/463-5103
Fax #: (301) 415-2260 713/463-5153
Ref / Subj: 10CFR21 Filing
Please see the attached 10CFR21 notification. If there are any questions
please feel free to contact myself or Tony Locascio at (713) 463-5110.
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