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Industrial Hydrant & Valve Applications

3"-24" Resilient Wedge NRS Gate Valve with Indicator Plate

The AMERICAN Series 2500 Ductile Iron 250 psig AWWA Resilient Wedge Gate Valve is available with an indicator plate. The plate is designed to accommodate the installation of an indicator post. The valve is designed for use in drinking water, sewage and fire protection systems as well as irrigation and backflow control systems. The Series 2500 Resilient Wedge Gate Valve is furnished in configurations that are UL Listed and FM Approved as well as Certified to NSF/ANSI/CAN 61 and NSF/ANSI/CAN 372, which demonstrates compliance to the U.S. Safe Drinking Water Act (SDWA).

Triple O-ring Stem Seals

Sealing the lubrication chamber is a series of three O-ring stem seals. The O-rings help to isolate the lubrication chamber.

Thrust Washers

Two thrust washers are used. One is located above, and one is located below the thrust collar. These thrust washers provide easy operation.

Ductile Iron Construction

The ductile iron body, bonnet and wedge provide strength and a pressure rating that meets or exceeds the requirements of AWWA C515. The tensile strength of ductile iron is more than twice that of cast iron. This added strength makes the Series 2500 more durable and rated at 250 psig. This strength and higher pressure rating is provided in a compact, lightweight and easy-to-handle ductile iron valve.

Fusion-Bonded Epoxy

The Series 2500 valve is epoxy coated on the interior and the exterior. The fusion-bonded epoxy coating is applied prior to assembly. The bolt holes and body-to-bonnet flange surfaces are fully epoxy coated.

Pressure-Energized Bonnet Gaskets

The body-to-bonnet seals incorporate pressure-energized o-rings which reduces the need for excessive bolt loading required by designs that use flat gaskets. The gaskets are typically reusable, which reduces downtime during any needed repair.

The Series 2500 Ductile Iron Resilient Wedge Gate Valve with Indicator Plate has these standard features:

  • UL Listed and FM Approved, as applicable

  • 250 psig ANSI/AWWA pressure rating

  • 4” - 24” valves are available in configurations which are UL Listed and FM Approved with a 250 psig rated working pressure. 

  • Complies with ANSI/AWWA C515

  • Certified to NSF/ANSI/CAN 61 and NSF/ANSI/CAN 372

  • Fusion-bonded epoxy coating complies with ANSI/AWWA C550

  • Fully rubber-encapsulated wedge

  • Triple O-ring stem seals

  • Thrust washers

  • Valves have a smooth, larger-than-nominal waterway

  • 100% leak-tight closure

  • Valves have an all ductile iron body



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Specifications

Valves 3"-24" in size shall be of a resilient wedge design and be provided with an indicator plate. The mounting dimensions on the plate shall comply with UL Standard 789 and exhibit a 10 ½” bolt circle. The valve shall have a cold water rated working pressure of 250 psig. All cast ferrous components shall be ductile iron and shall be manufactured in compliance with the latest edition of ANSI/AWWA C515. The valve shall also be UL Listed and FM Approved in applicable configurations. The valve design shall be lightweight, easy to handle, and constructed with wall thickness per Table 2 of ANSI/AWWA C515. Heavy wall and/or cast gray-iron bodies are not acceptable. The valve shall have a smooth and oversize waterway and have the marking “D.I.” or “Ductile Iron” cast on the body. The valve wedge shall be constructed of ductile iron and provided with protective wedge guide covers in sizes 4"-24". All wedges 3" and smaller shall be constructed of bronze. All wedges shall be encapsulated with EPDM rubber. The valve shall be provided with a 2” square wrench nut. The valve shall be Certified to NSF 61-G, or NSF 372, as applicable.

Valve stems shall be sealed by three O-rings. Two of the O-rings shall reside above the thrust collar. The upper two O-rings shall be replaceable under full working pressure and with the valve in the full open position. O-rings set in a cartridge shall not be allowed. The valve shall also be equipped with thrust washers above and below the stem thrust collar for reduction of operating torque.

All exterior valve body bolting shall be Type 304 stainless steel and shall be provided with hexagonal heads, with dimensions conforming to ANSI B18.2.1. Metric size and/or socket head cap screws or bolts, are not allowed. The operating nut shall be 2" square and shall be constructed of ductile iron fitted to a square tapered stem to help ensure even valve operating input torque. All body gaskets shall be of the pressure energized O-ring style design.

All internal and external ferrous surfaces of the valve body and bonnet shall have a fusion-bonded epoxy coating, complying with ANSI/AWWA C550. The coating shall be electro-statically applied prior to assembly.

All valves shall be the AMERICAN Series 2500 Resilient Wedge Gate Valve.

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