Product Name: Exhaust Valve Paxman Vp185 Model NO.: Paxman VP185 Type: Valve Material: Heat Resistance Steel Technics: Forging Standard Component: Non-Standard Component Certification: CCS Trademark: TEQRUN Transport Package: Plywood Box Specification: upon requirement Origin: China HS Code: 8409991000 Product Description Paxman VP185Exhaust Valve, part number YN10318A:1. Material (comply with European Standard EN10090: 1998 Valve Steels and Alloys for Internal Combustion Engines):Heat resistance steel2.Valve tuffnitrided entirely.3. Valve is upset forged and die pressed for abtaining grain flow along head profile.4. Stem end hardened to HRC50 min.5. Close controlled heat treatment for achieving proper mechanical properties and metallurgical structure.6. Stress released completely for microstructure and dimensional stability.7. Dye penetrant inspection to entire valve for free of crack.8. LR, BV, CCS Certificate depends on needs.9. Proven Reliability by European customers.