High flow pressure regulator
> 200 SCFM | Type 78
Marsh Bellofram
With available port sizes of ⅜, ½, ¾ and 1 NPT and BPST, with ¼ NPT gauges, the Type 78 is specifically designed for applications that require large flow capabilities and accurate pressure control. Available in five different output ranges of up to 125 psig (8.6 BAR), this precision 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. Use of a patented rolling diaphragm provides greater sensitivity and improved accuracy, along with low-friction operation and long useful service life. Type 78 offers a balanced pintle, minimizing output pressure changes caused by supply pressure fluctuations. The unit can be pipe or rail mounted. Careful design and use of quality materials ensure long, trouble-free operation.
In addition, the rugged die-cast zinc and aluminum housings of the Type 78 are pressure tested 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 options include low-bleed, non-relieving, square head adjustment, T-handle adjustment, tamper resistant cover, epoxy paint, tapped supply gauge port and tapped exhaust. The Type 78 is ideal for high-flow actuation; high-flow louvers; slitters, rollers and dewinders; high-flow control loop applications; and calibration loops. For more information, visit www.marshbellofram.com.
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