Rotating - Revolving Disc 50-Line

• 3” thru 54” valves are rated at 250 psi and hydrostatically tested to 500 psi –ductile iron construction. 60”-72” rated at 100 psi and tested at 200 psi
• Rugged, full body thickness- more iron better resistance to corrosion.
• Complies with AWWA C-500 latest revision.
• Selection of coatings-internally and externally- NSF-61 approved- meets AWWA C-550, protects interior and exterior
• All working parts are perfectly plain with no pockets to collect sediment or prevent free and easy movement.
• Internal parts can not be assembled incorrectly or become disengaged while in service.
• Revolving discs, which seat in different positions each time the valve is operated, ensures maximum life in the most exacting conditions.
• Extra wide disc and seat ring faces provide a large seating area.
• The bypass valve equalizes pressure to ensure less stress on the discs when opening/closing valve.
• Rotating disc gate valves are a time proven product. This design has been manufactured and in service since 1908.

The American R/D 50 Line double rotating disc valves meet all requirements of AWWA C-500, latest revision. Click below for more features and sample specs, or view shop drawings by selecting a model.

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Drawings

Model 52: 3" - 12"

Model 52: 14" - 24"

Model 52: 16" - 24"

Model 52: 30" - 48"

Model 52: 54" - 66"

Model 525: 16" - 24"

Model 525: 30" - 48"

Model 55: 3" - 12"

Model 55: 16" - 24"

Model 55: 30" - 48"

Model 59: 3" - 12"

Model 59: 14" - 24"

Model 59: 30" - 48"