Doc No: OMM50002312
Rev: C Page 7 of 54
Subject to contractual terms and conditions to the contrar
y, this document and all the information contained herein are the confidential and exclusive
property of FMC Technologies, and may not be reproduced
, disclosed, or made public in any manner prior to express written authorization by FMCTI.
2.0 W11 Pump Features
Exceptional design, workmanship, materials, and over 100 years of pump building
experience are features you'll find built into every FMC pump. The W Series pumps
include configurations with fluid ends designed with disc valves or ball valves for
viscous fluids with stringy matter.
Figure 1: W11 Pump Assembly Features
Heavy-duty power ends are machined from a one-
piece gray iron casting for long, trouble free life.
All pumps incorporate a reliable splash-lube
system with gravity fed return to sump.
Many piston and liner combinations are
offered to provide maximum service life for
each application.
Magnetic drain
plugs remove
tramp iron from
the oil bath.
Integrally cast and
machined feet to
provide rigid and
precise mounting.
Disc type valves feature tough,
durable materials and
generous flow areas to extend
service life. Ball valves are
available for fluids with solids
that will foul conventional
valves and restrict flow.
NPT threaded ports
are standard.
Two-bolt cover
clamps or
threaded covers
for easy access
to valves.
Individually clamped
cylinder covers
allow easy access
for service needs.
Fluid ends are designed for years of
service in demanding applications.
Standard material of construction is cast
gray iron. Fluid end design allows for
very low clearance volumes to improve
both volumetric efficiency and the
pump's ability to prime.
Compact power end with internal
gear reduction. Straight shaft
pumps can be configured in Right-
Hand (RH), Left-Hand (LH), or
Double Extended drive. Hydraulic
drive (splined shaft) is available.
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