These adjustable safety release valves come with 4 springs that offer a range of 25-200psi (yellow 25-50psi, red 51-100psi, silver 101-150psi & blue 151-200psi). They are used in compressed air systems to maintain desired pressure level and are not factory pre-set, so they can be adjusted in the field. They have a brass body with stainless steel springs & poppet and come standard with Loc-Tite Vibra Sealant on threads. Max temperature +120°C (250°F).

Temperature Range: Max Temperature is 120°C (250°F).

Warning: This Adjustable Valve is NOT ASME Rated