This 8 inch Maxim M200 lead free double check valve backflow preventer assembly prevents non-potable water from entering the potable water supply due to backsiphonage or backpressure. Ideal for continuous pressure service in non-health hazard applications, it features a 304 stainless steel housing, patented Tri-Link checks for low pressure loss, and domestic OSY resilient seated gate valves. It is approved for horizontal or vertical installation and designed for ease of serviceability without special tools. The unit is 70% lighter than traditional designs and maintains less than 0.25% lead content. It meets ASSE 1015, AWWA C510-97, CSA B64.5, UL, FM, and NSF/ANSI 61-G standards.
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Connections
This assembly features groove end connections for integral pipeline adjustment.
It is designed for installation into a system with 8 inch grooved piping.
This Maxim™ 8 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and/or backpressure.
It is ideal for continuous pressure service and protection at cross-connections identified as non-health hazards and from other non-toxic contaminants found at the service line entrance.
Foundation for Cross-Connection Control and Hydraulic Research (FCCCHR-USC) Approved
FAQs
What is the primary purpose of the Maxim M200 double check valve assembly?
This assembly is designed to prevent the reverse flow of non-potable water into the potable water supply system due to backsiphonage or backpressure in non-health hazard applications. It ensures water safety by protecting against contaminants that are objectionable but not toxic.
What are the key materials used in this backflow preventer?
The housing and sleeve are constructed from 304 (Schedule 40) stainless steel. It also features EPDM, Silicone, and Buna 'N' elastomers, with Noryl® and stainless steel Tri-Link Checks.
What type of shutoff valves are included with this model?
This Maxim M200 model is equipped with domestic outside stem and yoke (OSY) resilient seated gate valves, which provide reliable shutoff capability.
What are the installation requirements for this assembly?
The backflow preventer is approved for horizontal, vertical, or N-pattern installations. Always install in accordance with the direction of the flow arrow on the assembly and consult local governing authorities.
What certifications and approvals does this backflow preventer have?
This assembly is ASSE 1015, AWWA C510-97, CSA B64.5, UL Listed, FM Approved, and NSF/ANSI 61-G Certified. It is also approved by the Foundation for Cross-Connection Control and Hydraulic Research at USC.
