Pinion Shaft Oil Seal for FMC Bean L16 Series (SKU P502873), forged from ASTM D2000-20 Type 2 Class B1 NBR rubber with carbon steel skeleton vulcanization, compatible with L16 mud pumps (shaft diameter 1.875"×OD 2.506"), API 7K certified, pressure differential ≥40MPa, salt spray tested 500h corrosion-free, 50% dynamic sealing longevity enhancement, ISO 37 compliance.
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