The GK12-21 C1/2 is a compact, rugged, dual-output hydraulic relief valve from ITT. This valve is designed for use in mobile hydraulic systems which require a safe and reliable pressure relief solution. It has two pressure relief levels (C1 & C2) and each relief level can be individually adjusted. The GK12-21 C1/2 is designed for high-pressure applications and can easily handle operating pressures up to 600 bar (8700 psi). This makes it suitable for use in a variety of applications, including agricultural and mining machinery, forestry equipment, marine vessels, off-highway vehicles, forklifts, and many more.