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 Low Pressure Regulators > Mark 508 Series



MK508 Series The Mark 508 Gas Back Pressure Regulator is the ideal valve for low pressure gas regulation. The Mark 508 works in conjugation with the Mark 608, in a low pressure tank blanketing valve system. The Mark 508 can be used to vent gas from the tank to prevent the blanketing pressure from rising to a level that could damage the tank while maintain a small constant flow to keep the blanket fresh. During filling, this regulator will be required to open wide to allow enough gas to escape as the vapor space in the tank grows smaller. To size properly, the rate of fill must be known so that a regulator can be chosen based on its ability to relieve the required amount of gas while sustaining desired blanketing pressure. The Mark 508 will also work well in any other type of low back pressure application.

Features & Benefits




Body rating up to 150 psi (10,3 bar)
Rugged, heavy-duty design — emergency outlet pressure may reach 100% of inlet pressure without damaging valve
360° body orientation — valve can be installed in any position, and can be easily repositioned while in-line
Easy maintenance — seat and plug can be inspected without removing body from the line
Completely self-operated — no external power source required
Tight shutoff — soft elastomer plug provides ANSI Class VI shutoff