Valve Seat
Item number:303067
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3.89kg
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303067 Valve Seat (SKU: 303067) API 7K-certified forged 42CrMo alloy steel (tensile strength ≥980MPa) with quenching+tempering (HRC32-36), phosphated anti-corrosion coating (salt spray >1000h). Compatible with F-500/F-1600 mud pumps, sealing surface hardness HV300, dynamic leakage rate ≤0.01mL/min
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