The Ames Maxim M200N 10 inch Double Check Valve Backflow Preventer Assembly prevents non-toxic pollutants from contaminating potable water supplies. Designed for non-health hazard applications, this 10-inch assembly features a compact 304 stainless steel body, non-rising stem (NRS) resilient seated gate valves, and patented Tri-Link check modules for minimal pressure loss. It operates up to 175 PSI, is 70% lighter than traditional designs, and is serviceable without special tools, making maintenance straightforward. Approved for horizontal, vertical, or N pattern installations, its wetted surfaces are lead-free (less than 0.25%). Item number 0191017.
Help Me Connect
This Maxim M200N Double Check Valve Assembly features groove end connections for integral pipeline adjustment and flexible installation. It is approved for installation in horizontal, vertical, or N pattern orientations, allowing adaptability to various piping layouts. The non-rising stem (NRS) gate valves are designed for reliable shutoff.
The Ames Maxim M200N 10 inch Lead Free Double Check Valve Backflow Preventer Assembly is designed to prevent the reverse flow of pollutants from entering the potable water supply system. It is ideal for protection at cross-connections identified as non-health hazards, such as on high flow fire systems and from other contaminants found at the service line entrance.
Features & Benefits
Extremely Compact Design: Offers a smaller footprint compared to traditional designs.
Lightweight Construction: Approximately 70% lighter than traditional models for easier handling and installation.
Durable Materials: Features 304 (Schedule 40) Stainless Steel Housing & Sleeve for long-lasting performance.
Tri-Link Check Modules: Patented design provides the lowest pressure loss and ensures drip-tight closure against reverse flow.
Easy Serviceability: Designed for unmatched ease of maintenance with a single housing, sleeve access port, and no special tools required.
Integral Pipeline Adjustment: Groove fittings allow for flexible pipeline adjustments.
Reversible Check Discs: Includes replaceable Silicone or EPDM elastomer discs for extended life.
Lead Free Construction: Wetted surfaces contain less than 0.25% lead by weight, meeting strict lead-free requirements.
Installation Configurations
Approved for horizontal, vertical, or N pattern installations.
Check Valves: Two Independent Tri-Link Check Modules
Test Cocks: Four, Lead Free Bronze Body
Elastomers: EPDM, Silicone, Buna 'N'
Check Discs: Reversible Silicone or EPDM
Pins & Fasteners: 300 Series Stainless Steel
Springs: Stainless Steel
Maximum Working Pressure: 175 PSI (12.06 bar)
Temperature Range: 33°F - 110°F (0.5°C – 43°C)
Lead Content: Wetted surface contains less than 0.25% lead by weight
Certificates & Approvals
Approved By: Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
Standard: AWWA C510-97
Certification: ASSE 1015
Certification: CSA B64.5
Certification: NSF/ANSI 61-G
FAQs
What is the primary purpose of the Maxim M200N Double Check Valve Assembly?
The primary purpose is to prevent the backflow of pollutants, which are objectionable but not toxic, from entering the potable water supply system. It is designed for non-health hazard applications.
What type of shutoff valves does this assembly use?
This assembly uses non-rising stem (NRS) resilient seated gate valves, which are designed for reliable and consistent operation.
Can this backflow preventer be installed in any orientation?
Yes, the Maxim M200N is approved for installation in horizontal, vertical, or N pattern configurations, providing flexibility for various piping layouts.
What is the maximum operating pressure and temperature for this device?
This assembly has a maximum working pressure of 175 PSI (12.06 bar) and operates within a temperature range of 33°F to 110°F (0.5°C to 43°C).
Is this product considered "lead-free"?
Yes, the wetted surface of this product, which contacts consumable water, contains less than 0.25% of lead by weight, meeting lead-free requirements.
