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303088 Valve Assembly Complete, Abrasion Resistant
Item number:303088
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3.72 kg 10.8 cm
12.1 cm 10.8 cm
303088 Abrasion-Resistant Valve Assembly (SKU: 303088) API 7K-certified 20CrMnTi alloy steel forging (tensile strength ≥900MPa) with carburizing quenching (surface hardness HRC60-62), paired with polyurethane seal ring (ASTM D2240 hardness 90A), compatible with EMSCO/F-1300 mud pumps, salt spray tested 1000h corrosion-free, dynamic load durability 10⁷ cycles。
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