Nominal outer sealing diameter: φ150 mm, matched with D150 bimetallic cylinder liner
Metal hub central bore: M90×3 coarse thread, connects half-stem QF36001-04.11
Overall piston width: 79 mm; outer polyurethane sealing diameter φ155 mm
Structure: Integral bonded piston (all-in-one steel hub + PU wear ring, non-detachable rubber)
Single pump consumption: 3 pcs per complete triplex mud pump set
Matching liner model: D150 bimetal liner GH3161-05.21.02.00
