16 Weir Bulletin March 2010 Access the Group Intranet
Customer Focus
Major
exhibition
results in
large
purchase
Weir WARMAN MCR slurry pump
Power & Industrial’s Weir
on display at EXPOSIBRAIM
Specialty Pumps showcased their
range at the Water Environment
Federation Technology
Exhibition and Conference
(WEFTEC) in Orlando, Florida in
October 2009. WEFTEC is the
largest water quality event in
North America, attracting more
than 17,000 water professionals
and nearly 1,000 exhibitors.
Weir secured a large purchase
Key exhibition in Brasil
order at the event for WEMCO
Chop-Flow pumps from South
America.
Weir Specialty Pumps
continued to develop its
Weir Minerals Brasil recently activity. Principle individuals met exhibitors with 167 travelling from international presence in
exhibited at the bi-annual at the exhibition to discuss foreign countries. An impressive December, exhibiting a number
EXPOSIBRAIM event in Minas strategies, technical solutions and 43,000 visitors attended over a of product lines at the Colombia
Gerais, a key mining area in Brasil. mining business, in addition to three day period. The Weir Petroleum Show in conjunction
The event is organised by the traditional displays for equipment Minerals Brasil team displayed a with their regional distributor
Brasilian Mining Institute, a and service suppliers. large Warman MCR slurry pump, ABC Ingenieria.
government agency for mining The 2009 event hosted 383 Isogate valves and CAVEX cyclones.
Special design guarantees smooth operation
Weir Minerals Hazleton was suction height and arrangement to optimise the
the supplier of choice for ability to lift grit from a much wider area than other
Infilco Degremont Inc. on behalf of DC Water & products. The test resulted in a customised
Sewer Authority (DC WASA) Blue Plains facility for stainless steel suction plate developed and patented
their expertise and reputation in providing durable by Weir Minerals Hazleton.
slurry solutions. DC WASA operate the largest Two SHW-R recessed impeller pumps sit on top
advanced wastewater treatment plant in the world, of the unit which is placed in a tapered suction area
near the Maryland and Virginia border in the USA. that facilitates lifting of the grit. A fast disconnect
The wastewater is collected through a system of system, with guide rails, helps direct the pump in
1800 miles of sanitary and combined sewers. The position allowing for easy installation and removal.
de-gritting process is the most problematic of the The fast disconnect system includes a suction plate
various treatments due to the large amount of SHW-R recassed impeller submersible slurry pump ring that seals the suction head to the plow and an
debris gathered, particularly during storms, angled discharge ring that seals the pump to the
straining the already overloaded system. submersible slurry pump as part of the selected discharge piping designed to account for
A project team at the facility carried out a travelling bridge system. Hazleton’s vortex design misalignment of pumps during installation.
thorough investigation of the grit and visited prevents clogging and its heavy duty water end After many years the installation has been
wastewater treatment plants around the world to with high chrome construction and balanced exposed to many arduous weather events with the
examine a variety of grit handling systems, prior to double mechanical seal design assured a long wear SHW-R pumps continuing to operate effortlessly.
upgrading the complete removal system. life. The SHW-R has subsequently been selected for
Infilco Degremont Inc. selected Weir Minerals Using plastic pellets with densities similar to the several other wastewater treatment plant upgrades
Hazleton to supply the SHW-R recessed impeller grit, Weir Minerals Hazleton adjusted the pump’s following the success at the Blue Plains facility.
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