No, with Vertical Inline pumps the suction into the eye of the impeller is from one side (the bottom) to flow imbalances are not a critical factor. With Horizontal Split-case pumps the suction into the eye is form both sides so imbalances can cause uneven loads on the bearings and wear rings.
Richard L. Mote CET Designer / Retired -----Original Message----- From: Brian Harris <[email protected]> To: sprinklerforum <[email protected]> Sent: Mon, Nov 24, 2014 10:09 am Subject: Vertical Inline Pump NFPA-20 sets limitations on elbows & tee's with regard to horizontal split-case pumps, I don't see anything like that for vertical in-line pumps, am I missing something? Brian Harris, CET BVS Systems Inc. Sprinkler Division bvssystemsinc.com<http://bvssystemsinc.com/> Phone: 704.896.9989 Fax: 704.896.1935 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
