Zurn 4-375AOSY 4 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer delivers reliable protection against backflow in water supply systems, ensuring safe and efficient operation. Designed with multiple valve options, this unit simplifies installation for various applications, making it a go-to choice for both residential and commercial needs. The complete epoxy coating, applied inside and outside of the valve body, significantly reduces the risk of corrosion while also deterring theft, ensuring longevity and performance. With a maximum pressure rating of 175 psi, this backflow preventer is built to withstand demanding conditions. It utilizes Zurn Wilkins' low head loss compound check for superior performance, maintaining water pressure while preventing contamination. This model is UL® and C-UL® classified, providing assurance of its safety and quality standards. It complies with lead law regulations and is NSF certified, making it a responsible choice for health-conscious projects. The valve features an inline body style constructed from durable ductile iron, with stainless steel valve seats that enhance durability and functionality. Installation flexibility is key, as the Zurn 4-375AOSY can be installed in both horizontal and vertical orientations. For further customization, online specification tools and monitoring systems provide valuable performance data. With a height of 32-1/2 inches, a length of 41-3/10 inches, and a width of 21-1/2 inches, this substantial unit weighs 311 lbs, making it a robust addition to any plumbing system. Choose the Zurn 4-375AOSY for a backflow preventer that combines innovative design, proven durability, and ease of installation, ensuring peace of mind for your water management solutions.
4 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer
ANSI: ANSI B16.42
ASSE Standards: ASSE 1013
AWWA: AWWA C-511
CSA Certified: CSA
Coating: Epoxy
Collection: 375A
End Connection 1: Flanged
End Connection 2: Flanged
End Connections: Flanged
FM Approved: Yes
Height: 32-1/2 in
IAPMO Listed: Yes
Installation Type: Horizontal, Vertical
Lead Law Compliance Level: Lead Law Compliant and Certified
Lead Law Compliant: Yes
Length: 41-3/10 in
Material: Ductile Iron
Maximum Temperature: 140
Minimum Temperature: 33
NSF Certified: Yes
Number of Handles: Two Handle
Pressure - Maximum: 175 psi
Pressure Class: 150#
Proposition 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Recommended Valve Application: Water
Restrictions: This item is classified by UPS as oversized and must ship via LTL freight - additional charges apply.
UL Listed: Yes
Upc: 612052080970
Valve Body Material: Ductile Iron
Valve Body Style: Inline
Valve Seat Material: Stainless Steel
Valve Size: 4 in
Valve Stem: Outside
Valve Type: Reduced Pressure Principle Assembly
Weight: 311 lb
Width: 21-1/2 in
