3/6 YL SPM VAVLE BLACK OF G20CrNiMo brand steel
Applicable pump type: 3YL180, 5YL280, 5YL250-4, 3/6 YL SPM
Matching specifications (** inch): 4~5.5 inch
Material: G20CrNiMo brand steel
Process: Integral forging + Integral carburising
Inspection method: magnetic particle flaw detection + full inspection
Surface treatment: electrophoresis + antirust oil
Advantages: high-pressure corrosion resistance, good impact resistance and toughness of a wide range of applicability, high cost-effective, currently as the main sales products are widely used in the industry
