Spring Valve Tapered No.4 Valve
Item number:SG40001
$0.00 dollar
0.05kg
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Spring Valve Tapered No.4 Valve (SKU:SG40001) API 7K-certified ASTM A216 WCB carbon steel (quenched & tempered process), nitrided surface (hardness ≥65HRC, salt spray tested >1500hrs corrosion-free) for API 6A/16C mud pump high-pressure applications. Fatigue strength increased by 40% (GB/T 12349-2021 compliant), dynamic sealing leakage ≤0.02mL/min.
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