Introduction
Waukesha Cherry-Burrell
Page 6
95-03076
August 2008
Introduction
For control top information, please refer to publication 95-03083. For
additional product information please see our web site at http://www.spxpe.com/
sites/wcb/literature.asp.
General Information
Information in this manual should be read by all personnel involved in
installation, setup, operation, and maintenance.
Always use installation tools and lubricants recommended by Waukesha Cherry-
Burrell. Waukesha Cherry-Burrell products are subject to intensive intermediate
and final leakage and functional tests.
Waukesha Cherry-Burrell Mix Proof valves meet
standards for sanitation,
design, and style.
W75RS PMO Mix Proof valves are double seat shutoff valves for separating
different media. The valves are equipped with a drain/vent for the space between
the seats equal in size to the largest port into the valve body. The seats are tended
by stems equipped with electrical switches capable of signaling whether the
upper and/or lower seat is in the proper location. W75RS PMO valves are air-
operated (air-to-raise).
Factory Inspection
Each Waukesha Cherry-Burrell valve is shipped completely assembled,
lubricated, and ready for use.
Models and Specifications
Materials
•
Product Wetted:
ASTM 316L (UNS-S31603); (DIN-1.4404)
•
Non-Product:
ASTM 304 (UNS-S30400); (DIN-1.4301)
•
Seat Material:
Tri Ring (optional)
•
Elastomers:
EPDM (optional)
FKM (standard)
Equipment Serial Number
Waukesha Cherry-Burrell valves are identified by a serial number found on the
label on the actuator cylinder.
Figure 1 - Serial Number Label
Applications
W75RS PMO valves allow for the separation of milk and milk products from
cleaning and sanitizing solutions, and are designed for installation in a milk pro-
cessing system operating in compliance with the Pasteurized Milk Ordinance and
M-A-76 Supplement #1. The valves are PMO Section 7, Item 15p(B) compliant,
and meet 3-A standards for sanitation and T-85 standard for double seat mix
proof valves.
WARNING:
PMO Double Seat Mix Proof valves cannot be used to
separate raw milk and milk products from pasteurized milk, milk products
and other comestibles.