• Valve Guide Man 27/38
  • Valve Guide Man 27/38

Valve Guide Man 27/38

Certification: ISO9001
Standard Component: Non-Standard Component
Technics: Casting
Material: Gg25
Type: Valve Guide
Dimensions: 20dia Bore
Customization:
Gold Member Since 2011

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Basic Info.

Model NO.
MAN 27/38
Transport Package
Plywood Box
Specification
CCS, BV, GL
Trademark
TEQRUN
Origin
Nanjing China
HS Code
84099910
Production Capacity
10000 PCS/Year

Product Description

Description of Valve Guide for MAN 27/38 engine:
1. Material: GG25(standard), Alternatives: High alloy cast iron, Broneze, etc...
A). Mechanical properties(GG25):
Tensile strength: 250MPa min. Hardness: HB220-260
B). Matrix: Perlite, ferrite 10% max.; Graphite: Preferably lamellar and uniformly distributed; Phosphide eutectic: Preferably continuous network.
2. Guide bore to be gun drilled and plateau honed for excellent bore diameter and straightness and achieving cross hatch pattern for better running-in;
3. Fitting diameter to be ground, and achieving max. 0.0008' concentricity between guide bore and fitting dia.
4. Surface treatment: Phosphating or Tufftriding.
5. Casting defects and welding repair are not allowed.
Valve Guide Man 27/38 Valve Guide Man 27/38

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Management System Certification
ISO 9001, ISO 14001