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The Maxitrol SR500-3/4 model is a two-stage regulating valve designed for applications where adjustable modulation of the flame is not essential but reliable performance is key. This valve expertly combines gas pressure regulating with flame staging in a single unit, making it an ideal choice for various heating scenarios including direct-fired heaters and industrial processes.
The SR500-3/4 offers seamless transition between low and high fire setting via an electrical mechanism which adjusts outlet pressure. This feature ensures constant operational efficiency irrespective of system demand fluctuations.
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