GE P&W Tonkaflo - Pumps AS 40K Series User Manual
Tonkaflo* pumps, As 40k series, Features & benefits
Fact Sheet
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FS1128EN.doc Jan-10
Tonkaflo* Pumps
AS 40K Series
Figure 1: AS 40K Series
The new AS40K pump (Figure 1) combines high flow
with the durability of stainless steel. The AS40K
pump is a multistage centrifugal pump with an all
stainless steel liquid end mounted on a high-thrust
bearing frame. AS40K pumps are available in 60 Hz
and 50 Hz models.
Especially designed for high-flow applications, the
AS40K pumps tolerate punishing applications and
harsh environments. AS40K pumps are ideal for use
in the power generation and municipal industries,
excelling in applications such as large-capacity
membrane systems, general industrial boost appli-
cations, sanitizing systems and higher temperature
water recirculation. In many applications one AS40K
pump can take the place of two pumps,
reducing both capital and energy costs.
Features & Benefits
• All Stainless Steel Construction makes AS
Series pumps more durable and less susceptible
to operator error. AS Series pumps are also
chemically compatible with hydrocarbons and
can perform within a greater temperature
range than the standard Tonkaflo SS Series.
• Mixed Flow Stage Design delivers up to 74%
efficiency.
• High Grade Elastomers: all seal materials are
EPDM or PTFE in our standard design.
• New Higher Efficiency SS stages in the 40K
design.
• Fabricated Stainless Steel Stages require less
maintenance and eliminate the need to balance
pump impellers as with single-stage pumps. The
end result is smoother operation, less vibration
and longer pump life.
• Separate Bearing Frame increases pump reli-
ability and life because there is no thrust load
on the motor. In addition, this feature allows the
AS Series pumps to be powered by standard
motors. The larger AS 40K’s also include our
new high thrust bearing frame design to insure
smooth reliable operation.
• Modular Liquid End allows service of the
mechanical seal without disassembling the liq-
uid end of the pump. The AS Series’ modular
design also facilitates service of both pump and
bearing frame.
• Flexible Inlet Piping can be modified to fit
almost any application. For pressure boost
applications, 4-inch inlets are available. For
transfer applications, 6-inch inlets are available
to connect with 6-inch piping and improve the
net positive suction head (NPSH) available to
the pump. Victaulic clamps reduce piping stress
and make installation of the AS Series
pumps easier.
• Industry Standard Mechanical Seal on pump
inlet delivers higher boost pressure capability
and longer seal life.