Mark 60 Series Pressure Regulators

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 Tank Blanketing Regulators > Mark 518 Series



MK618 Series The Mark 518 is a back pressure regulator for use in low pressure air and gas services. With a selection of six pressure ranges, set points can be chosen to control back pressures from 1" w.c. to 7 psi (3mbar to 0,5 bar). As a standard feature, the MK518 is provided with soft seals for ANSI Class VI bubble-tight shutoff. The valve is also leak-proof under vacuum conditions.

The Mark 518 back pressure relief valve is used for maintaining the pressure of air and gases in the positive inches w.c. (mbar) pressure range.

Features & Benefits




Completely self-operated — spring-loaded regulator operates off of process pressure and requires no external power source or air supply for operation
Wide range of low back pressure settings — choose from six pressure ranges for set points ranging from 1" w.c. to 7 psi (3mbar to 0,5 bar)
Long service life — all metal wetted parts produced from Stainless Steel or Hastelloy C for durability and long life
Tight shutoff — soft seats for ANSI Class VI bubble-tight shutoff