APV W+ Series, Manual

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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+ (console pump version) is described in a supple-
mentary manual.
1.2 The W+ pump, options and extras
The following standard options are available in the W+ range:
- with or without shroud
- with frame and adjustable feet or fixed console
- with shaft seal in carbon/SiC or SiC/SiC
- with O-rings in EPDM or Viton (Kalrez and possibly others)
- with single-acting shaft seal or double-action shaft seal prepared for
water-flushed or steam-flushed shaft seal
Extras:
- heating/cooling jacket
- drain valve
- sound-damping shroud
- pump trolley
- inducer (Wi+)
- double O-ring sealing of pump body fitted for sterile flushing (Wa+)
- heavy duty clamping ring, increasing the pump’s maximum per
missible outlet pressure to 25 bar (available for W+30/120, W+55/35,
W+55/60, W+60/110, W+70/40) or 20 bar (available for W+80/80).
- W+ pumps can be supplied with all standard welding unions and
clampfittings rings specified in DS/BS/DIN/SMS and ISO and DIN
flanges; or with special aseptic connections prepared for sterile
flushing (Wa+).
1.3 Identifying the pump model
A plate as shown in Fig. 1 is fitted on the extension frame. Fig. 1
Example:
Type W+22/20: Indicates pump model, here W+22/20.
380: Indicates motor voltage.
125: Indicates diameter of impeller.
N: Indicates that the motor is a standard motor
(complies with the IEC standard).
Serial No.: The serial number of the pump. It is made up of a
number of codes which provide information on the
size and type of components used in the pump.
Order No.: APV's order number.
Year: Indicates the year of manufacture.
The empty field can be used to identify the pump in terms of its posi-
tion in the plant.
1 Introduction to the W+ programme
skilt
Fig. 1