New family of in-line process pumpsThe new HWX family of in-line process pumps consists of 11 types referenced in API 610, 8th Edition (and upcoming 9th Edition), as OH3 (bearing frame), OH4 (rigid coupled), and OH5 (directly coupled) designs.Pumps have only two bearing housing frames, bearing sets, and mechanical seal sizes for maximum parts interchangeability. Bearing housing designs cover a range of uses from –185° C. (–300° F.) to 400° C. (750° F.) and offer patented oil cascade, oil mist, or greased bearing lubrication options as required by service conditions. Other features include flexible disk spacer couplings, external fans for cooling or heating,...

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