2 1/2 2000SS-DOSY

Item Number: 0692773
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$6,219.01
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 2 1/2 inch
  • Weight: 198.0 lb
  • Body Material: 300 Series stainless steel
  • Check Assembly Material: Noryl®
  • Maximum Operating Pressure: 175 PSI
  • Lead Content: <0.25% by weight
  • Installation: Horizontal or Vertical (ASSE Only)
  • Features: Low head loss cam-check assembly
  • Features: Integrated OSY supervisory switch

Description

This 2 1/2 inch AMES Series 2000SS Double Check Valve Assembly is a lead free backflow preventer designed for non-health hazard installations. It prevents polluted water from reversing into potable water systems due to backsiphonage or backpressure. Featuring a lightweight 300 Series stainless steel body and Noryl check assembly, it offers superior corrosion resistance and durability. The compact design and short lay length are ideal for retrofits. It operates at a maximum working pressure of 175 PSI and includes OSY shutoffs with an integrated supervisory switch for tamper detection. Easy to maintain with a single top access cover.

Help Me Connect

The AMES 2000SS Double Check Valve Assembly features flanged connections for secure installation into your piping system. Ensure compatibility with mating flanges by checking the AWWA Class D flange dimension standard.

The assembly includes domestic outside stem and yoke (OSY) resilient seated gate valves at both the inlet and outlet, which facilitate isolation for maintenance or testing.

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Additional Details

The AMES Series 2000SS Double Check Valve Assembly is a 2 1/2 inch lead free backflow preventer designed to prevent the reverse flow of polluted water from entering the potable water supply. It is suitable for continuous pressure service and protection at cross-connections identified as non-health hazards, where approved by the local authority having jurisdiction.

Design & Construction

  • Features a compact modular design with a stainless steel housing and sleeve for durability and reduced weight.
  • Equipped with tri-link check valves, two independently operated torsion spring check assemblies, and domestic outside stem and yoke resilient seated gate valves.
  • The Cam-Check Assembly provides low head loss for efficient water flow.
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

Ease of Installation & Maintenance

  • Short lay length and compact construction make it ideal for retrofit installations and smaller enclosures.
  • Features a single top access cover with a two-bolt grooved style coupling for easy maintenance without special tools.
  • Approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly (ASSE Only).

Safety & Compliance

  • Includes an integrated supervisory switch as an option on each gate valve of the OS&Y model, designed to send a tamper signal if the valve is closed or the switch is removed.

Important: You are required to thoroughly read all installation instructions and product safety information before beginning the installation of this product. Inquire with governing authorities for local installation requirements.

Specifications

General

  • Size: 2 1/2 inch
  • Body Material: 300 Series stainless steel
  • All Internal Metal Parts Material: 300 Series stainless steel
  • Check Assembly Material: Noryl®
  • Lead Content: Less than 0.25% by weight (wetted surface)
  • Maximum Working Pressure: 175 psi (12.06 bar)
  • Temperature Range: 33°F - 110°F (5°C - 43°C)
  • Installation Position: Horizontal or Vertical "flow up" (ASSE Only)
  • Check Valve Design: Two independently operated spring loaded cam-check valves with stainless steel spring and cam-arm
  • Shutoff Valves: Domestic Outside Stem and Yoke (OSY) resilient seated gate valves
  • Test Cocks: Four ball valve type
  • Flange Dimension: AWWA Class D

Dimensions & Weight

  • Overall Length (A): 37 in (965 mm)
  • Centerline to OSY Top (C OSY): 16 3/8 in (416 mm)
  • Pipe Centerline to Bottom (D): 3 1/2 in (89 mm)
  • Total Length (L): 22 in (559 mm)
  • Width of Assembly (S): 7 in (178 mm)
  • Weight (With Gates): 145 lb (66 kg)

Certificates & Approvals

  • AWWA C510-92
  • CSA B64.5
  • ASSE 1015
  • cULus
  • FM Approved (OSY Only)
  • UL Certified (TS-OSY)

FAQs

What is the primary purpose of the AMES Series 2000SS Double Check Valve Assembly?

This assembly is designed to prevent the reverse flow of polluted water from entering the potable water supply. It is specifically intended for non-health hazard installations to protect against backsiphonage and backpressure.

What materials are used in the construction of this backflow preventer?

The main valve body and all internal metal parts are constructed from 300 Series stainless steel, providing long-term corrosion protection. The check assembly components are made from Noryl.

What is the maximum operating pressure and temperature range for this device?

The AMES Series 2000SS is rated for a maximum working pressure of 175 psi (12.06 bar). It can operate within a temperature range of 33°F to 110°F (5°C to 43°C).

Is this 2 1/2 inch backflow preventer suitable for vertical installation?

Yes, this assembly is approved for installation in both horizontal and vertical "flow up" positions, according to ASSE standards. Always ensure the flow arrow on the assembly matches the direction of water flow.

Does this backflow preventer meet lead-free requirements?

Yes, the wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight, complying with lead-free standards.

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