SR - Two-Stage Design


Two-Stage Design

SR Series

An ideal replacement for dual manifold systems, the SR Series combines gas pressure regulating and flame staging in a single unit. Applications include direct-fired heaters with two speed fans, hi-lo control for outdoor heaters, LP natural gas switchover, and indus­trial processing.





Fuel Gases

Suitable for natural, manufac­tured, mixed gases, liquefied petroleum gases, LP gas-air mixtures, and gases of DIN EN 437 gas family 1, 2, and 3

Pipe Sizes

Model Pipe Sizes
SR400… ⅜”,  ½”
SR500… ½”,  ¾”
SR600… ¾”,  1″

SR Series 2-Stage Design

Catalog; Ideal replacement for dual manifold systems. Combines gas pressure regulating & flame staging in single unit. (excerpt)

🇺🇸 North America, Imperial Units; GPR_MS_EN_05.2023 (SR) DownloadPreview
Gas Pressure Regulator and Modulator Catalog (NA)

Catalog; Gas Pressure Regulators and Modulators (full catalog)

🇺🇸 North America, Imperial Units; GPR_MS_EN_05.2023 DownloadPreview