ard metal seated gate valves awwa c500 - clow · pdf fileard metal seated gate valves awwa...
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ARD Metal Seated Gate Valves AWWA C500 Rotating Disc Gate Valves
American R/D Series 50 Rotating Disc gate valves are a time proven product. This design has been manufactured and in service
since 1908. These valves meet all requirements of AWWA C500, latest revision, and applicable ANSI, ASTM, and other industry
standards. American R/D has more metal seated gate valve manufacturing and engineering experience than anyone in the industry.
3” - 54” valves are rated at 250 psi and hydrostatically tested to 500 psi –ductile iron construction. Sizes 60” - 108” rated at 100 psi
and tested at 200 psi
Rugged, full body thickness- more iron better resistance to corrosion
Selection of coatings — internally and externally — NSF-61 approved — meets AWWA C550, protects interior and exterior
All working parts are perfectly plain with no pockets to collect sediment or prevent free and easy movement
Internal parts cannot be assembled incorrectly or become disengaged while in service
Revolving discs, which seat in different positions each time the valve is operated, ensure maximum life in the most exacting
conditions
Extra-wide disc and body seat ring faces provide a large seating area
Bypass valve equalizes pressure to ensure less stress on the discs when opening/closing the valve
Series 52 = Non Rising Stem FLANGED
Series 55 = Non Rising Stem MECHANICAL JOINT
o Series 525 = Non Rising Stem MECHANICAL JOINT by FLANGED
Series 59 = Outside Screw & Yoke FLANGED
o Solid Wedge Gate Valves
American R/D 100 Line Solid Wedge valves meet all requirements of AWWA C500, latest revision, and applicable ANSI, ASTM,
and other industry standards.
Valves available in NRS or OS&Y style
Adjustable packing gland with non-asbestos packing
Heavy duty full body wall thickness made in ductile iron
Available with flanged ends, MJ ends, grooved ends, or any combination
Full flow waterway
Selection of coatings — internally and externally — NSF-61 approved — meets AWWA C550, protects interior and exterior
Full guides engage with body guide to maintain parts in position: Valves 16" and larger use bronze wedge and body guides
Extra wide wedge and body seat ring faces provide a large seating area
Solid one piece tapered wedge assures excellent performance and prevents clogging
Corrosion resistant one piece stem made of high strength stainless steel
Close fitting stem to wedge engagement maintains component alignment
Bypass valve equalizes pressure to ensure less stress on the discs when opening/closing the valve
Series 100 = Non Rising Stem FLANGED or MECHANICAL JOINT
Series D100 = Non Rising Stem FLANGED or MECHANICAL JOINT with HandWheel
Series 105 = Outside Screw & Yoke FLANGED
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