Summary of Product
The control valve for a wheel loader is divided into PL250, PL300, and M400 classes. Since a valve type is a mono block type, and a high pressure of 320 bar or more corresponding to commonly used pressure is operated, careful process management is needed for preventing internal cast defects, and the like, such a shrinkage cavity, a gas porosity, and the like, from being generated in the inside of the case.
Technical Features
ㆍExcellent Castability and Stable Substantive Strength of CGI Cast Iron
ㆍExcellent Processability
ㆍPressure Resisting Quality (302 bar or more) of Casting
ㆍStable Substantive Strength & Durability by CGI Structure Control Technology
ㆍStable Size & Size Accuracy
ㆍCleanliness of Inner Flow Passage (Kolene Treatment of All Products)
Material Spec
| Material | Mechanical Properties | |||
| T.S(MPa) | Y.S(MPa) | E.L(%) | Hardness(HB) | |
| CGI 350 | 350 or more | 230 or more | 3 or more | 160 ~ 216 |
| CGI 420 | 420 or more | 270 or more | 2 or more | 170 ~ 230 |
| CGI 450 | 450 or more | 290 or more | 2 or more | 180 ~ 240 |
| FCD 500 | 500 or more | 310 or more | 2 or more | 160 ~ 230 |
Control Valve for Loader
