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Mirrlees Blackstone ESL Exhaust Valve

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Model NO.:
Mirrlees Blackstone ESL
Certification:
ISO9001
Standard Component:
Non-Standard Component
Technics:
Forging
Material:
Nimonic80A(Nicr20tial)
Type:
Exhaust Valve
Head Dia.:
86.5mm
Stem Dia.:
19mm
Overall Length:
257mm
Seat Angle:
90 Degrees
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
Trademark:
TEQRUN
Transport Package:
Polywood Box
Specification:
GL, BV, CCS
Origin:
Nanjing China
HS Code:
8409991000
Product Description
Description for Mirrlees Blackstone ESL Exhaust Valve:
1. Material grade:
Standard: X33CrNiMnN23-8 (DIN1.4866 , 23-8N)
Altrnative: Valve Head: Nimonic 80A(NiCr20TiAl); Valve Stem:1.4731(X40CrSiMo10-2) friction weld to valve head
(comply with European Standard EN10090: 1998 Valve Steels and Alloys for Internal Combustion Engines):
2. Valve stem chrome plated and tip harden to 50-55HRc.
3. Valve head is upset forged and die pressed for grain flow along head profile.
4. Valve stem friction welded to valve head.
5. Close controlled heat treatment for achieving proper mechanical properties and metallurgical structure.
6. Stress released completely for microstructure and dimensional stability.
7. Supersonic detection for welded stem, dye penetrant and magnetic particle inspection for entire valve.
8. LR, BV, CCS Certificate depends on needs.
9. Proven Reliability by European customers.
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