GA Figure 705:

Rotovalve® Cone Valve

Size: 6" to 48"
Valve Type: Ball & Cone Valve
Fluid: Wastewater, Water

The GA Industries Rotovalve® Cone Valve has direct lineage to the original cone valve manufactured by the S.Morgan Smith Co.and has the largest installed base, some in service for over 60 years.The valve’s unique “lift-rotate-seat” operating sequence coupled with electrically fused Monel metal seating ensures decades of dependable operation.It’s suitable for water and sewage and can be configured as a pump control valve, flow control valve or critical service isolating valve.

  • One-piece, top entry iron body and fully skirted plug with upstream and downstream Monel body seats
  • Bi-directional tight shutoff when closed
  • Virtually zero head loss when fully open
  • Trunnion mounted design ensures proper alignment
  • Unique “lift and turn” operation lifts plug prior to rotation to eliminate seat contact and wear
  • All moving parts totally enclosed in a lubricated housing
  • Cylinder, electric motor or manual gear actuation
  • Body, Cover, Plug: Standard Cast Iron, ASTM A126 Class B, optional Ductile Iron, ASTM A536 Gr 65-45-12
  • Body & Plug Seats: Electrically Fused Monel
  • Valve Shaft: Stainless Steel
  • Shaft Bearings: Lead-free Bronze and Stainless Steel
  • External Fasteners: Steel, A307, Zinc Plated
Corrosion Protection
  • Standard: Internal and external NSF-61 certified 2-part epoxy, minimum 6 mil DFT
Technical Datasheet
Rotovalve Data Sheet 705-01b
White Paper
Are Pump Control Valves Dinosaurs - 3-22-21
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Clean Water

Dependable valves that meet your clean water needs

From the raw water intake to the filtration plant to the finished waster distribution and storage system, GA Industries valves have been providing dependable service in large and small water systems. GA Industries pump control, check and relief valves mitigate damaging pressure surges and eliminate slam and bang that can result from the operation of water pumps.

Our full range of pilot operated control valves regulate distribution system pressure and prevent overflow of storage tanks and reservoirs. Air trapped in water pipelines can reduce system efficiency and exacerbate pressure surges. Our wide range of automatic air valves ensures we have the right valve to maintain an air free system.

And when it’s necessary to isolate a pump, process or section of pipeline, you can depend on GA Industries butterfly valves for reliable flow shutoff.


Reliable wastewater valves designed for rigorous service

GA Industries sewage and wastewater valves are specially designed to accommodate the rigorous demands of the sewage collection, pumping and treatment process.

Whether a large regional sewage pump station, a small lift station or in-plant process pumping, GA Industries line of wastewater check, pump control and surge relief valves provide reliable service under difficult operating conditions. GA Industries ECO-Centric® plug valves handle solids and stringy material and are used in sewage and wastewater systems for pump, pipeline or process isolation.

Our full range of sewage and wastewater air valves automatically release air and sewage gas from forcemains to maintain pumping efficiency and minimize pipeline corrosion.

GA Figure 705:
Rotovalve® Cone Valve
GA Figure 705 Image
Size: 6" to 48"
Valve Type: Ball & Cone Valve
Fluid: Wastewater, Water

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