Rotating - Revolving disc 50-Line

BENEFITS

Heavy Duty Body
Ductile Iron construction. Full body wall thickness, high strength with 250 psi rating.

Stem Seals
Field replaceable with the valve under pressure in the full open position.

Bronze Body Seat Rings
Seals against bronze faced disk.

Revolving Discs
This feature assures maximum life under the most exacting service conditions. Discs revolve during travel so that scum or sludge buildup is wiped away from the bronze face of the discs. This self cleaning feature makes this design equally suitable for both potable water and sewage service.

Quality Product
We take pride in offering a time proven quality product. Our quality control and testing assures you will receive the highest quality valve. This design has been manufactured continuously 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.

O-Ring type stem seal with double O-Rings or adjustable packing

Fully revolving discs seat in different positions each time valve is operated

No links or auxiliary means are necessary to hold parts in position

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Drawings

Series 52 FLG NRS Rotating Disc Gate Valve, 3-12": dimensional drawing - materials list

Series 52 FLG NRS Rotating Disc Gate Valve, 14-24": dimensional drawing - materials list - w/ spur gear

Series 52 FLG NRS Rotating Disc Gate Valve, 30-48": dimensional drawing - materials list - w/spur gear

Series 52 FLG NRS Rotating Disc Gate Valve, 54-66": dimensional drawing - materials list - w/ spur gear - w/ spur gear, parts list

Series 55 - MJ NRS Rotating Disc Gate Valve, 3-12": dimensional drawing - materials list

Series 55 - MJ NRS Rotating Disc Gate Valve, 14-24": dimensional drawing - materials list - w/ spur gear - w/ spur gear, parts list

Series 55 - MJ NRS Rotating Disc Gate Valve, 30-48": dimensional drawing - materials list - w/ spur gear - w/ spur gear, parts list

Series 59 - FLG OS&Y Rotating Disc Gate Valve, 14-24": dimensional drawing - materials list

Series 59 - FLG OS&Y Rotating Disc Gate Valve, 30-48": dimensional drawing - materials list

Series 525 - FLG x MJ NRS Rotating Disc Gate Valve, 14-24": dimensional drawing - materials list

Series 525 - FLG x MJ NRS Rotating Disc Gate Valve, 30-48": dimensional drawing - materials list