Prince Pump

Features of  SP20B Series SAE  Flange Pump
Patented Non-Symmetrical Gears
PTFE composite bearings
One piece hardened alloy steel gears and driveshaft
Pressures up to 3000 psi
SAE "A" 2 bolt mounting
5 drive shaft configurations available
.400 to 2.014 ci displacement
Function of SP20B Series SAE  Flange Pump
The SP20B pump now utilizes self-lubricating thrust blocks that eliminate the need for separate wear plates. They are made from a high strength aluminum alloy with exceptional anti-galling properties. This new thrust block design also incorporates advanced bearings designed specifically for high pressure hydraulic pumps. This new bearing features a robust fluoropolymer PTFE wear surface that yields unsurpassed load carrying capabilities and cavitation resistance even at low speeds and moderate levels of contamination. Also, since the PTFE resin layer is self-lubricating, contamination from bearing wear in high load situations (when no oil film is present) is reduced. This new thrust block design combined with these advanced bearing results in lower friction and less internal oil loss resulting in higher pump efficiencies.




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