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M-b-341: APV Full Line Size Leak Detect Rosista Series DF2 Mix-Proof "Double Seat Valve"

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HHS:PHS:FDA:CFSAN:OC:DCP:MSB

5100 Paint Branch Parkway
College Park, MD 20740-3835

M-b-341

September 8, 2003

TO: All Regional Food and Drug Directors
Attn: Regional Milk Specialists

FROM: Milk Safety Branch (HFS-626)

SUBJECT: APV Full Line Size Leak Detect Rosista Series DF2 Mix-Proof  "Double Seat Valve"

The APV Full Line Size Leak Detect Rosista Series DF2 Mix-Proof "Double Seat Valve" utilizing an Effector "Quadronorm" proximity switch (model 1F2004FRKG/6M) has been reviewed and found to comply with the applicable provisions of the Grade "A" Pasteurized Milk Ordinance (PMO) when used to separate cleaning product solution and milk and milk products.

Compliance with the PMO is based upon construction, installation, and operation as described in the manufacturer's manual and attachments.

The APV Full Line Size Leak Detect Rosista Series DF2 Mix-Proof "Double Seat Valve" is a single-bodied double seat valve designed to comply with Item 15p. PROTECTION FROM CONTAMINATION, 15p.(B) of the PMO. The valve may be used as part of a fail-safe system to separate milk and milk products from tanks or circuits containing cleaning and/or sanitizing solution.

The technical information that was reviewed constitutes the APV Engineering Design (drawing 9821025), Technical Construction File, and Regulatory Test Procedures.

For further information contact:

APV Invensys
100 South CP Avenue
Lake Mills, Wisconsin 53551
Phone: (920)-648-8311
Fax: (920)-648-1423

FDA's review and acceptance of this Double Seat Valve does not constitute agency endorsement or approval. Any representation on a label or in printed literature citing or indicating "FDA Approved" is false and misleading.

Copies of this memorandum are enclosed for distribution to Regional Milk Specialists, State Milk Regulatory Agencies and State Milk Sanitation Rating Officers in your region. This memorandum will also be available on the FDA Web site at http://www.cfsan.fda.gov at a later date and should be widely distributed to representatives of the dairy industry and other interested parties.

Jonathan M. Gardner
FDA/MSB, Sr. Milk Sanitation Officer

Attachments:

Valve Liturature (page 3)
Valve Description and Dimensions (pages 4-5)
Proximity Sensor Calibration and Test Procedures (pages 6-9)