2-1/2" Double Check Assembly With OSY Valve For Fire Protection

2-1/2" Double Check Assembly With OSY Valve For Fire Protection

R 50,554.00
Sale price  R 50,554.00 Regular price  R 55,613.00
Skip to product information
2-1/2" Double Check Assembly With OSY Valve For Fire Protection

2-1/2" Double Check Assembly With OSY Valve For Fire Protection

R 50,554.00
Sale price  R 50,554.00 Regular price  R 55,613.00

Shipping calculated at checkout

The 2-1/2" Double Check Assembly with OSY Valve is engineered for commercial and industrial fire sprinkler systems and municipal fire mains to protect potable water from backflow contamination. This unit installs inline to provide a dependable physical barrier against cross-connection risks in demanding mechanical environments.

Designed to satisfy strict life safety mandates, this assembly meets NFPA 13 and NFPA 25 requirements for fire sprinkler system installation and inspection. The integrated OS&Y (Outside Screw and Yoke) valve provides manual isolation capabilities and a clear visual position indicator so facility managers can instantly verify valve status and maintain regulatory code compliance during routine testing.

Key Features & Construction

  • Stainless Steel Assembly Body: The C200 assembly housing is stainless steel.
  • Stainless Steel Internals: 300-series springs and fasteners endure fluctuating water conditions without degrading.
  • Reversible EPDM Check Valves: Elastomer discs ensure reliable sealing and simplify ongoing maintenance routines.
  • OS&Y Shutoff Valve: Provides manual isolation and clear visual position indication during routine testing.
  • Flexible Installation: Installs in either horizontal or vertical flow orientations using standard NRS or flanged connections.

Technical Specifications & Compliance Table

Specification Detail
Manufacturer / Brand Ames Backflows
Model / Series Number / SIN 2-1/2" Double Check Assembly with OSY Valve
Connection / Thread Size & Type 2-1/2" (Standard NRS or Flanged Connections)
Pressure Rating (WWP) 175 PSI
K-Factor N/A
Temperature Rating / Response Type 33°F to 140°F
Material / Body Construction Stainless Steel Assembly Body, 300-Series Stainless Steel Springs & Fasteners, EPDM Check Valves, Brass Stem
Agency Listings & Approvals UL Listed to UL 1469, FM Approved, ASSE 1015 Compliant
Applicable NFPA Standards NFPA 13, NFPA 25

Contractors must verify local Authority Having Jurisdiction (AHJ) guidelines and review manufacturer cut sheets prior to job site installation. Note that this assembly is sold as Non-Refundable and Non-Cancellable.

Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)

If you qualify for sales tax exemption, please submit your exemption details and supporting documents. Our team will review your request, and once approved, your account will be updated to receive tax-exempt checkout on eligible purchases.

Request for Tax Exemption

If you can't find the product you're looking for, send a quote request below.

Request a Quote

Return policy

Non-Cancellable / Non-Refundable Item

YOU MAY ALSO LIKE