The Marsh Bellofram Type 41-2 Precision Air Regulator comes standard with 1⁄4 NPT ports, a knob and a bonnet vent port which can be tapped for a 1⁄4 NPT fitting if desired. It can be panel mounted using either the center nut or the threaded shoulder holes, spaced 1.25 in. (32.7 mm) center-to-center.
The Type 41 Precision Air Pressure Regulator incorporates a patented Bellofram rolling diaphragm design and is essential for applications which require high flow capacity, low droop, high accuracy and fine adjustment sensitivity. The 41-2 regulator provides a smaller size and several mounting options, allowing it to be used as compact drop-in replacements for other manufacturers’ models.
The robust design and construction of the Type 41 uses precision cast aluminum housings which are finished with vinyl paint to resist scratches, weathering and other challenging environmental conditions. Use of quality materials ensures long, worry-free operation. All units are pressure tested and chromate treated for internal corrosion resistance. A rubberized, soft-seat valve stem provides stability and “forgives” dirt and other foreign matter. An aspirator maintains downstream pressure and compensates for droop when high flow occurs. The gauge port is convenient for gauge installation and can also be used as an additional full flow outlet.