Marsh Bellofram has announced the introduction of the Type 78. A direct-acting, high-performance air pressure regulator designed to offer high-accuracy, large flow and exhaust capabilities for OEM and industrial applications.
With available port sizes of ⅜, ½, ¾ and 1 NPT and BPST, with ¼ NPT gauges, the Type 78 air pressure regulator is specifically designed for applications that require large flow capabilities and accurate pressure control. Available in five different pressure output ranges of up to 125 psig (8.6 BAR). This type 78 regulator offers low droop, high accuracy and fine adjustment sensitivity with maximum supply pressure rated at 400 psig (27.6 BAR) and achievable flow rates of well over 200 SCFM. Greater sensitivity and improved accuracy are provided, along with low-friction operation and long useful service life. The Type 78 offers a balanced pintle, which minimizes output pressure changes caused by fluctuations in supply pressure. The unit can be either pipe or rail mounted.
Careful design and use of quality materials in manufacturing the Type 78 air pressure regulator ensures long, trouble-free operation. In addition, the rugged die-cast zinc and aluminum housings of the regulator are pressure tested to assure safe operation and designed to withstand harsh and abusive environments. This durability is attributed to a chemical conversion coating of all cast components and a vinyl paint finish. Additional optional features and accessories for the Type 78 include low-bleed, non-relieving, square head adjustment, T-handle adjustment, tamper resistant cover, epoxy paint, tapped supply gauge port and tapped exhaust.
Some useful applications include high-flow actuation, high-flow louvers, slitters, rollers and dewinders, high-flow control loop applications, and calibration loops.
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