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Dynaflo 570, 571, 573 Rotary Valve

Dynaflo 570, 571, 573

Fisher Model V150, V200 & V300 Equivalent

Dynaflo 570, 571, 573
General Specifications:
Sizes 570: 1", 1-1/2", 2", 3", 4", 6", 8"
571 / 573: 1", 1-1/2", 2", 3", 4", 6", 8", 10", 12", 16"
ASME Ratings as per B16.34 570: 150 / 300 / 600 Wafer
571: 150 Flanged
573: 300 Flanged
Seal Types Composition Ultra, Metal, Flow Ring
Available Shut-off Class IV, VI
Application The Model 570 Series Segmented Ball style control valve is suited to high flow, low pressure drop services. The straight through unrestricted flow path provides higher capacity than globe style valves. Both Models 571 and 573 have raised face flanged bodies.
  • Throttling and on/off capabilities
  • Splined shaft provides accurate control and flexibility in actuation operations
  • Square and keyed shaft options available
  • WCC, LCC, & CG8M are standard body & bonnet materials. Other materials available upon request.
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