For more than 140 years, Marsh Bellofram group's Marsh instruments division has been synonymous with the design, manufacture and supply of the highest quality pressure gauges and thermometersIts product portfolio has developed into the   most comprehensive gauge line in the world.Our Marsh instrument pressure gauges are used in numerous applications where accuracy, reliability and durability are essential.Whether standard or specially designed pressure gauge, MarshBellofram is always ready to provide a highly rugged precision instrument suitable for any pressure or temperature measurement.

Marsh Bellofram FRL is a pre-installed, modular assembly of popular configurations supplied by air filters, regulators and lubricants as a single unit.Designed to be economical and convenient, Marsh Bellofram FRL is choosed from small and standard sizes.Regulators include balance pop and relief diaphragm with metal body, polycarbonate bonnet, non-rising adjustment knob and panel, pipe or bracket mounting function.

Filter adjusters offer features such as pressure regulators add 5,25 or 50 microfilters, polycarbonate bowls, as well as optional or manual, semi-automatic and automatic drainage.Lubricants are characterized by polycarbonate bowls and field adjustable lubrication levels that can be set.Units are available in 0-10, 3-30, 3-60 and 7-140 PSIG output pressure ranges, with a maximum supply of 140 PSIG(280 PSIG w/ metal bowl option).FIL offers options for 1/8, 1/4, 3/8, 1/2, 3/4 and 1 NPT pipe sizes.Modular design facilitates the maintenance and replacement of filters, regulators or lubricants.