Corken, inc. Is recognized as a world leader in the manufacture of compressors, pumps and accessories for the lpg and industrial markets. Corkens exceptional reputation is built upon decades of maintaining the highest quality and customer service standards. This, combined with an absolute dedication to product performance, makes corken a company recognized worldwide for its manufacturing leadership. Located in oklahoma city, oklahoma, usa, corken was founded in 1924 and quickly gained a reputation for excellence in customer service. In the early 1950s, the company entered the liquid petroleum gas (lpg) industry, which proved to be a turning point. In the years to follow, corken quickly gained market recognition for its quality line of compressors and pumps for the propane, butane and anhydrous ammonia industries. In 1991, corken became part of the idex corporation, a manufacturer of proprietary fluid handling and industrial products that are recognized as market leaders. Through the years, our commitments to customer service, product integrity and strong dedication to technological innovation have made corken a recognized world leader in the compressor and pump markets. Low pressure cpbn-series pumps corken cp-series coro-vane pumps produce a maximum differential pressure of 125 psig (8.6 bar g). Corken manufactures five sizes of coro-vane pumps, ranging from 20 gpm to 400 gpm (4.590.9 m3hr). These pumps can handle discharge pressures up to 200 psig (13.8 bar g). They are designed for light liquids with viscosities below 10, 000 ssu. These pumps are designed for operating pressures up to 200 psi (13.8 bar) and flow rates up to 400 gpm (1, 514 lmin). They are ideal for various petroleum products with low vapor pressures such as petroleum based oils and fuels. These pumps are also capable of handling numerous thin liquids such as alcohols or solvents.