Pony Rod Wiper Seal SC-45L (SKU:145-100112-999) Engineered with ASTM D2000-22 NBR/FKM rubber dynamic sealing design, temperature resistance -30°C~200°C, compressive strength ≥85MPa. API 7K compliant for mud pump plunger rods, surface vulcanization enhances corrosion resistance, anti-extrusion structure prolongs service life
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