GA Industries, LLC
A ZURN Company
Golden-Anderson̉ Differential Piston Main Valve.
  • Differential piston design provides unmatched operating power.
  • Standard heavy-duty cast iron body with bronze vee-ported trim.
  • Provides ideal combination of full-port capacity and excellent low flow control.
  • Well suited for either open/close or throttling applications
  • Size 2 to 42 inches (50 to 1,000 mm) in Class 125 or 250 flanged globe or angle body.
  • Standard with visual position indicator rod.
  • Available in alternate materials, higher pressures or with BS, DIN or ISO flanges.
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Function and Applications

The Differential Piston Main Valve is the heart of all Golden-Anderson̉ pilot-operated control valves for water. Simple and dependable with only one moving part, the Golden-Anderson̉ differential piston main valve has been relied upon for critical municipal and industrial control applications for over a century.