Listing ID #1776059
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MaterialsValve guides are made of materials with good gliding and thermal conductivity properties. Grey cast iron and brass materials with selected alloy components have been particularly proven.
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Stem Diameter | Clearance: Intake Value | Clearance: Exhaust Value |
---|---|---|
6 to 7 mm | 10 - 40 μm | 25 - 55 μm |
8 to 9 mm | 20 - 50 μm | 35 - 65 μm |
10 to 12 mm | 40 - 70 μm | 55 - 85 μm |
GRAY CAST IRON (GRADE: GG-25) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Material | C | Si | Mn | Cr | Cu | Sn | S | P | Fe | HARDNESS |
Per (%) | 3.0 to 3.90% | 2.0 to 2.90 % | 0.60 to 0.70 % | 0.30 %Max | Max 0.50% | 0.10% | 0.15%Max | 0.40 to 0.70 % | Balance | 190-240BHN |
BRASS VALVE GUIDES | |||||||||
---|---|---|---|---|---|---|---|---|---|
Materials | Cu | Pb(Led) | Sn(Tin) | Fe(Iron) | Cu | Al | Ni | Mn | Total impurities |
Per (%) | 56.0 to 58.0% | 2.0 to 3.4% | TR | 0.35 %Max | Max 0.50% | TR | TR | TR | 0.70 % |
Dimension | Range (in mm) |
---|---|
Inner Dia. | 5.00 TO 28.00 MM |
Outer Dia. | 8.00 TO 30.00 MM |
Total Length | 25.00 TO 300.00 MM |