BQ04 28 Model code breakdown BQ 04 G * * * * * (L) * (A) Cartridge type 21 25 30 35 38 Rotation (viewed from shaft end) L= left hand rotation CCW (omit if CW) Pump type 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) Shaft optionsmm (inches) PORT ORIENTATIONS 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 C Spline data (Shaft 11 and shaft 90) Spline Involute side fit (ASA B5.15) Pressure angle 30° No. of teeth 14 Pitch 12/24 Major dia. 31.60 - 31.50 (1.244 - 1.240) Pitch dia. 29.634 (1.1667) Minor dia. 26.99 - 26.66 (1.0627 - 1.05) Wildhaber 15.68 - 15.73 (0.617 - 0.619) Shaft 01 Shaft 11 Shaft 90 Shaft 86 single pump
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