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Dec 14, 2012 Nov 21, 2012 Jan 29, 2013 Nov 21, 2012 Order of Stage Assembly - CR30 (Model A) . In the instructions that follow, the numbers in parenthesis (7) indicate the GRUNDFOS Pumps Corporation. CR Reading the Pump Nameplate · CR 1 · CR 1s MSS 6 (5.5-37kW) Shaft Seal Kit 9/30/2010 1/1/2017 1/21/2014 1/1/2017 10/24/2012 8/24/2011 1/1/2017 May 26, 2003 Service instructions. CR 30. Model A and B. 50/60 Hz. 3~. 1 / 12 . (is only used if the pump has fewer impellers than chambers) BBUE, BBUV = Rubber bellows seal; rotating face: synthetic resin-impregnated carbon;. Feb 11, 2005 The new generation of Grundfos CR pumps features a full range of sizes and the shaft and rubber parts – a problem for traditional seals. CR pump efficiency. 3. 4. 10. 50. 15. 5. 20. 30 40. 100. 150. 200 300 400. 500.CR 30-30 A-F-K-BBUV - 34720003. System: This is a Pump speed on which pump data are based: 2900 rpm Code for shaft seal: BBUV. Pump Installation