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What is Eccentric Reducers?
Eccentric reducer is a type of butt welded pipe fitting used to
connect two pipes of different diameters. Its characteristic is
that the centerlines of the two ends of the pipe are parallel to
each other but offset. This design allows one side of the pipeline
(usually the bottom or top) to remain horizontal. Using a flat top
eccentric reducer on the inlet horizontal pipeline of the pump can
effectively prevent cavitation; In horizontal drainage pipelines,
using eccentric reducers with flat bottoms can ensure that the
medium is emptied without residue.
Advantages of Duplex WP2205
WP2205 duplex steel is an ideal material for manufacturing thick
walled high-pressure pipe fittings due to its high strength and
excellent corrosion resistance. Its yield strength is more than
twice that of 316L austenitic stainless steel, and it can safely
withstand extreme pressure in Sch160 grade pipeline systems. At the
same time, it has strong resistance to pitting corrosion, crevice
corrosion, especially stress corrosion cracking (SCC) in chloride
containing environments, ensuring the long-term reliability of pipe
fittings in corrosive environments such as marine and chemical
industries.
SMLSCO Fitting Manufacturing Process
SMLSCO seamless eccentric reducers are manufactured from certified
high-quality duplex steel seamless pipes. Firstly, the pipe blank
is cut to a predetermined length, and then one end of the pipe
blank is gradually compressed to the desired small end diameter in
a dedicated mold through hot pushing or cold compression process,
forming an eccentric structure. After forming, the product must
undergo solid solution annealing heat treatment to optimize the
metallographic structure and properties. Finally, after surface
pickling and two end groove machining, it is prepared for on-site
butt welding.
WP2205 Reducer Application:
The Sch160 grade WP2205 eccentric reducer is a special pipe fitting
designed specifically for ultra-high pressure and strong corrosion
conditions. It is mainly used in industries such as oil and gas,
chemical processing, and seawater desalination. Typical
applications include: diameter transformation of main and branch
lines in high-pressure process flow, suction and discharge
pipelines of pumps, and other harsh situations where one side of
the pipeline needs to be kept straight to meet specific process
requirements (such as preventing air pockets and ensuring proper
drainage).