Zurn 3-375ASTOSY 3" Stainless Steel Flanged 350 psi Backflow PreventerZurn 3-375ASTOSY 3 in. Stainless Steel Flanged 350 psi Backflow Preventer is engineered for durability and reliable performance in a variety of applications. With CSA® certification and IAPMO® listing, this backflow preventer meets rigorous safety and quality standards. Its stainless steel body not only ensures resistance to corrosion but also maintains structural integrity in demanding environments. Designed for versatility, this backflow preventer features flanged, grooved, or grooved x flanged end connections, allowing for seamless installation in compact spaces. The short lay-length reduces installation time and costs, making it an excellent choice for both residential and commercial projects. With a patented Compound Check, users can expect improved flow characteristics and dependable performance even in lower-pressure systems. This model is compliant with ASSE® 1013 and AWWA standards, including C511 and C550, ensuring that it is suitable for potable water and waterworks applications. The backflow preventer operates efficiently across a temperature range from 33°F to 140°F and a maximum pressure of 175 psi, making it adaptable for various conditions. Key specifications include a height of 26-3/4 inches, a length of 24-63/100 inches, and a weight of 137 lbs. The valve features a full port opening and is equipped with a hand wheel operator for easy manual control. Additionally, it is lead law compliant and NSF certified, providing peace of mind regarding safety and environmental standards. Whether you’re a builder, contractor, or knowledgeable homeowner, the Zurn 3-375ASTOSY backflow preventer ensures a reliable solution for maintaining the integrity of your plumbing systems.
3 in. Stainless Steel Flanged 350 psi Backflow Preventer
CSA® Certified
IAPMO® Listed
Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
Flanged, grooved, or grooved x flanged end connections provide versatile installation
Short lay-length offers reduces installation time and costs in compact spaces
Patented Compound Check offers reliable performance, improved flow characteristics, and installation in lower-pressure systems
Stainless steel body protects against corrosion
ASSE® Listed 1013
AWWA Compliant C511 (with gates only), and C550
FM® Approved
Attributes
ANSI: ANSI 61
ASME: ASME B16.42
ASSE Standards: ASSE 1013
AWWA: AWWA C-511, AWWA C-550
Coating: Electrostatic Epoxy
Collection: Model 375AST
End Connection 1: Flanged
End Connection 2: Flanged
End Connections: Flanged
FM Approved: Yes
Height: 26-3/4 in
IAPMO Listed: Yes
Installation Type: Horizontal
Lead Law Compliance Level: Lead Law Compliant and Certified
Lead Law Compliant: Yes
Length: 24-63/100 in
Material: Stainless Steel
Material Type: 300, 304L, Buna-N, Noryl®, EPDM
Maximum Temperature: 140
Minimum Temperature: 33
NSF: NSF 61
NSF Certified: Yes
Number of Handles: Two Handle
Pressure - High: 175
Pressure - Maximum: 175 psi
Pressure Class: 150#
Proposition 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Recommended Valve Application: Potable Water, Waterworks
Restrictions: This item is classified by UPS as oversized and must ship via LTL freight - additional charges apply.
Temperature Range: Up to 140 Deg F
UL Listed: Yes
Upc: 612052112312
Valve Body Material: 304L Stainless Steel
Valve Body Style: Inline
Valve Disc Material: EPDM
Valve Operator: Hand Wheel
Valve Port Opening: Full Port
Valve Seat Material: Stainless Steel
Valve Size: 3 in
Valve Stem: Outside
Valve Type: Reduced Pressure Zone Assembly
Weight: 137 lb
Width: 11-3/4 in
