| pumps | pvq20b2ra9ss1s 21 cm7 12 | ||
| displacement | 20 : 21.1 cc/rev (1.29 cir), 210 bar (3000 psi) | ||
| input shaft rotation | r : right-hand rotation (cw) | ||
| ports - type and location | -ss : inch o-ring boss, 1.3125" inlet and outlet, side port | ||
| Seals | s : buna n, standard | ||
| control type | -cm7 : low range pressure compensator 70 bar | ||
| control design | -12 : o-ring seal design |
| Series | pvq : inline piston pump, variable volume, quiet series | ||
| Mounting flange | -b2 : flange sae j744 101-2 (sae-b) | ||
| thru-drive without coupling | -a9 : sae j744 82-2 (sae a) with 9 tooth spline | ||
| shafts - input | 1 : straight keyed, sae "a" modified 0.75 x 1.75 lg | ||
| pump design number | -21 : 221 | ||
| control options | without adjustable maximum displacement stop (standard) | ||
| special features | none |
