Water pressure regulator Type 70

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The MARSH BELLOFRAM type 70 air pressure regulators feature flow rates up to 80 SCFM (2,250 l/min), and contain highly accurate pressure controls. The downstream pressures can be set within 0.25 in. (6.3 mm) of water column and use an aspirator tube which efficiently maintains pressures and flow rates. They also contain a balanced supply valve, with a BELLOFRAM rolling diaphragm design, that enables fixed supply pressures, for millions of cycles. They are made out of die-cast aluminum, and have been chromate-treated, offering high corrosion resistance. They also have a vinyl paint finish, offering more wear resistance.