U. S. Food and Drug Administration
Center for Food Safety and Applied Nutrition
FDA Prime Connection

HHS:PHS:FDA:CFSAN:OC:DCP:MSB
 
                                             200 C Street, SW
                                             Washington, DC 20204
 
                                                  May 12, 1992
 
                                                  M-b-316
 
TO:       All Regional Food and Drug Directors
          Attn:  Regional Milk Specialists
 
FROM:     Milk Safety Branch (HFF-346)
 
SUBJECT:  Stainless Steel In-Line Sight Glass Manufactured by Dairy
Industry, Inc. and by Key Industrial
 
 
The above subject dairy equipment has been reviewed by Milk Safety
Branch and found to comply with the applicable criteria to permit
the use of this in-line sight glass in all in-line applications for
sight glasses including use in leak detective lines.
 
This sight glass is available with either a heat resistant glass
insert or a high temperature plastic (lexon) insert.
 
Descriptive literature for this stainless steel in-line sight glass
is included for your files.  States desiring further information or
copies of the literature may contact:
 
                  Dairy Industry, Incorporated
                         Key Industrial
                      Attn:  John Boyanich
                       997 Enterprise Way
                     Napa, California  94558
 
Sufficient copies of this memorandum are enclosed for distribution
to state milk control agencies and State Milk Sanitation Rating
Officers in your region/district.
 
FDA's review of this dairy equipment and our finding that they
comply with the applicable construction criteria of the Grade "A"
Pasteurized Milk Ordinance does not constitute agency endorsement
or approval of the dairy equipment and any representation on a
label or in any printed literature that they are "FDA approved"
would be false.
 
 
 
                              Steven T. Sims
                              Senior Milk Sanitation Officer