BQ21 double pump 45 Model code breakdown BQ 21 G ** ** * * ** (L) * (A) Cartridge types -shaft end 12 14 17 19 21 -cover end 02 05 08 09 11 12 14 Rotation (viewed from shaft end) L= left hand rotation CCW (omit if CW) Pump type Body outlet port positions (Outlet viewed from cover end) A =Outlet opposite end B =Outlet 90° CCW from inlet C =Outlet in line with inlet D =Outlet 90° CW from inlet Mounting (omit if not required) Pump series Design Seals (omit with standard seals and one shaft-seal in NBR) V= seals and shaft-seal in FPM (Viton®) D= standard seals and double shaft-seals in NBR F= seals and double shaft-seals in FPM (Viton®) Shaft end options 01 = Straight with key (standard), 11= Splined 86= Heavy duty straight keyed, 90= Splined SAE B Cover outlet port positions (Outlet viewed from cover end) A= Outlet 135° CCW from inlet B= Outlet 45° CCW from inlet C= Outlet 45° CW from inlet D= Outlet 135° CW from inlet Shaft optionsmm (inches) PORT ORIENTATIONS Spline data (Shaft 11 and shaft 90) Spline Involute side fit (ASA B5.15) Pressure angle 30° No. of teeth 13 Pitch 16/32 Major dia. 22.00 - 21.90 (0.866 - 0.862) Pitch dia. 20.638 (0.8125) Minor dia. 18.63 - 18.35 (0.733 - 0.722) Wildhaber 11.67 - 11.70 (0.459 - 0.461) Shaft 01 Shaft 11 Shaft 90 Shaft 86
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