Overall total length: 1245 mm
Main rod outer diameter: Φ114 mm uniform straight shaft; two ends precision thread M90×3 coarse thread
Structure: Half-stem (intermediate connecting half rod), one end connects crosshead pull rod, the other end locks plunger/piston core
Thread tolerance class: 6H/6g precision grinding thread, anti-loose matching nut
Surface finish: Rod body mirror grinding Ra ≤0.4μm, prevent packing seal abrasion
Single pump usage quantity: 3 pcs per complete triplex mud pump set
