The Marsh Bellofram Type 70 High-Flow Air Pressure Regulator is meticulously made for applications requiring a considerable flow capacity of up to 80 SCFM (2250 LPM) and accurate pressure controls. Downstream pressure can be set within 0.25 in. (6.3mm) of water column and is precisely sustained under fluctuating conditions by way of an aspirator tube which adjusts air supply in accordance with flow velocity. A balanced supply valve, using a patented Bellofram rolling diaphragm design, makes the regulator essentially immune to alterations in supply pressure, and offers millions of cycles.
The Type 70 features a durable, precision die-cast aluminum housing, and is pressure-tested and chromate-treated for internal corrosion resistance. The regulator housing is finished with vinyl paint which prevents scratching, weathering and other physical wear and tear.