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453345 ISS S 07.2010
1. Introduction to the W+ program
1.1 The W+ range
This manual covers all the standard versions of the W+ pump as well as
aseptic versions (Wa+ pumps) and pumps with inducer (Wi+ pumps).
Check the pump's nameplate to make sure that you have one of the
above versions. The WHP+ and W+140/50 pump versions are described
in a special manual which will come with the pump. The WK+ (pedestal
pump version) is described in a supple mentary manual.
Units are designed and constructed to meet the requirements of the
3A sanitary standards for cleanability of processing equipment.
1.2 The W+ pump features
Standard Options are available in the W+ range:
- with frame and feet
- with shaft seal in carbon/SiC or SiC/SiC
- with O-rings in EPDM or FPM (Viton) (Kalrez and possibly others)
- with single or double shaft seal prepared for water-flushed or
steam-flushed shaft seal
Additional Options:
- Heating/Cooling Jacket
- Casing Drain
- Portable 2- and 3-wheel Cart
- Inducer (Wi+)
- Double O-ring sealing of pump body fitted for sterile flushing (Wa+)
- Heavy duty clamping ring, increasing the pump’s maximum
permissible outlet pressure to 360 PSIG
(available for W+30/120, W+55/35,
W+55/60, W+60/110, W+70/40) or 290 PSIG
(available for W+80/80).
- W+ pumps can be supplied with all standard welded ferrules
(tri-clamp, bevel seat, ISO, etc.) or with special aseptic connections
prepared for sterile flushing (Wa+).
1.3 Identifying the pump model
A nameplate as shown in Fig. 1 is fitted on the extension frame.
Example:
Serial No.: Use the serial number whenever requesting information on
service parts.
Type: The type indicates the type of pump, such as W+10/8,
W+22/20, etc.
Year: Indicates the year of manufacture.
Order No.: Indicates the number the pump was ordered under.
Fig. 1: Nameplate
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