Product Description:
Valves inlet mace from chrome-silicon alloy steel and exhaust from chrome-nickel-silicon alloy...Product Description:
Valves inlet mace from chrome-silicon alloy steel and exhaust from chrome-nickel-silicon alloy steel ( to operate under high temperature and high stress conditions). Valves are also supplied with liquid nit riding process or hard chrome plating which increases the surface hardening of the stem. This improves resistance to corrosion with consequent sliding ease.