Spherical Valve features lightweight body design.

Press Release Summary:

With outlet opening and flange that match valve size, Roto-Disc® II supports pressures ranges from full vacuum to 50 psig below valve and full vacuum to 10 psig above valve as well as temperatures from -40 to +1,200°F. Available materials for body and dome include stainless steel (316, 304, duplex), carbon steel (4140, WCB), hastelloy, monel, or other alloys. Soft and metal seats are also offered in range of materials, and various coatings and hardfacings are available.

Original Press Release:

New Roto-Disc II Lighter Weight Spherical Valve

Same essential features as the original Roto-Disc® spherical valve with:

- Lighter weight body design

- Outlet opening and flange match valve size

Materials of Construction

Body & Dome: Stainless Steel (316, 304, Duplex), Carbon Steel (4140, WCB), Hastelloy, Monel, Other alloys upon request

Soft Seats: Stainless Steel Reinforced PTFE, Glass Reinforced PTFE, PEEK, Nylon, Modified TFM, PFA, UHMW

Metal Seats: Stainless Steel (316, 304), Abrasion Resistant Steel (AR400), Bronze, Other alloys

Coatings & Hardfacings: Electroless Nickel, Tungsten Carbide, Hard Chrome, Teflon® PFA

Typical Applications

- Hopper Discharge

- Blender Discharge

- Loss-in-weight Feeders Refill

- Bulk-bag Unloading

- Other Gravity-flow / Low Pressure Applications

Pressures Range*: Full vacuum to 50psig below valve. Full vacuum to 10psig above valve.

Temperature Range*:

-40°F – 1200°F (-40°C – 650°C).

*Pressure and temperature limits of an individual valve depend on a variety of application conditions and materials of construction of the valve.

About Roto-Disc:

Manufacturer of industrial valves for dry and slurry material handling applications.

Products include spherical valves such as heavy duty spherical valves, light weight spherical valves, sanitary spherical valves and inflatable seal spherical valves are available. Control accessories, pipe and flange adaptors and custom designed components are available. Materials used include stainless steel, carbon steel, ductile iron, aluminum, Hastelloy®, Monel®, abrasion resistant steel and aluminum bronze.

Capabilities include mechanical and electro-polishing, thermal regulation with water-cooling, large valve design, valve repair (retrofit), clean-in-place (CIP), rotational molding and throttling/dribble-feeding. Industries served include pharmaceutical, food, chemical/powder handling, semiconductor, pulp and paper, power generation and catalyst. Made in the USA.

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