Crosshead Assembly for FMC Bean L11/W11 Series (SKU:1252939) Forged from ASTM A216 WCB steel with tin-based Babbitt B83 ASTM B23 alloy overlay (compliant with L1122 470/W1122 435 pump models), quenched & tempered (HRC28-32) for fatigue resistance, salt spray tested 500h corrosion-free, API 7K-certified for zero-offset transmission under high-pressure drilling.
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