MAN 40/54 Exhaust Valve Spindle

• Certification: ISO9001
• Standard Component: Non-Standard Component
• Technics: Forging
• Material: X45crsi9-3
• Type: Exhaust Valve
• Head Dia.: 120mm
• Model NO.: MAN 40/54
• Stem Dia.: 25mm
• Overall Length: 514mm
• Standard Material: 23-8n+Stellite Weld Seat
• Altered Material: Nimonic80A(Nicr20tial)
• Intake Pressure Impulse: Supercharged
• Speed: Speed
• Piston Movement: Reciprocating
• Ignition Mode: Compression-Ignition
• Number of Cylinders: Multi-Cylinder Machines
• Cooling Cylinder: Water-Cooled
• Number of Strokes: Four-Stroke
• Fuel: Diesel Engine
• Cylinder Arrangement Form: V
• Transport Package: Polywood
• Specification: GL, BV, CCS
• Trademark: TEQRUN
• Origin: Nanjing China
• HS Code: 84099910
• Production Capacity: 1000 PCS/Year

Product Description

MAN 40/54 Exaust Valve:
1. The MAN 40/54 exhaust valve can be in standard or in alternative materials as below:
(comply with European Standard EN10090: 1998 Valve Steels and Alloys for Internal Combustion Engines).
A. Valve head Nimonic 80A(NiCr20TiAl + friction welded stem1.4718(X45CrSi9-3) + stem chrome plated
B. Entire in Nimonic 80A(NiCr20TiAl) + stem chrome plated.
C. Spindle 1.4866(X33CrNiMnN23-8 or 23-8N) + seat stellite welded + stem chrome plated
D. Spindle 1.4731(X40CrSiMo10-2) + seat stellite welded + stem chrome plated

2. Upset forging and die pressing for grain flow along head profile.
3. Close controlled heat treatment for achieving proper mechanical properties and metallurgical structure.
4. Stress released completely for microstructure and dimensional stability.
5. Supersonic detection for welded seat, dye penetrant or magnetic particle inspection for entire valve.
6. LR, BV, CCS Certificate depends on needs.
7. Proven Reliability by European customers.