Zurn 6-350ASTDA 6 in. Ductile Iron Flanged 350 psi Backflow Preventer is engineered to provide reliable protection against backflow in both residential and commercial applications. This robust unit features a high-quality 304L stainless steel body and access covers that significantly reduce corrosion exposure, ensuring long-lasting performance even in challenging environments. Designed for versatility, the backflow preventer is compliant with both horizontal and vertical installation, making it an ideal choice for compact spaces. Its short lay-length simplifies installation, allowing for efficient setup without compromising on security. The metered bypass system detects leaks and unauthorized water use, effectively minimizing maintenance and repair costs over time. The Zurn 6-350ASTDA also meets various industry standards, including ASSE® Listing 1048 and AWWA Compliance C510 and C550, ensuring it adheres to rigorous safety and performance benchmarks. It is FM® Approved and UL® Classified, reflecting its reliability for critical applications such as fire protection, potable water, and waterworks. Further enhancing its appeal, this backflow preventer is lead-free law compliant and certified, in line with NSF 61 standards, ensuring the safety of drinking water. With a maximum pressure rating of 350 psi and a compact design measuring 43-1/2 inches in length and 30-1/4 inches in height, it is built to handle demanding conditions while remaining user-friendly. Zurn's commitment to quality and innovation shines through in the 6-350ASTDA, making it a trusted choice for professionals seeking dependable and efficient plumbing solutions.
C-UL® Classified
FM® Approved
Short lay-length ensures easy installation in compact spaces
Metered bypass detects leaks and unauthorized water use for reduced maintenance and repair costs
High quality 304L grade stainless steel body and access covers reduces corrosion exposure
Compliant with horizontal and vertical installation
Lead-free law compliant
ASSE® Listed 1048
AWWA Compliant C510 (with gates only), and C550
UL® Classified
Attributes
ANSI: ANSI 61, ANSI B16.42
ASSE Standards: ASSE 1048
ASTM: ASTM A-276
AWWA: AWWA C-510, AWWA C-550
CSA Certified: CSA B64.5
Collection: Model 350ASTDA
End Connection 1: Flanged
End Connection 2: Flanged
End Connections: Flanged
FM Approved: Yes
Height: 30-1/4 in
IAPMO Listed: Yes
Installation Type: Horizontal, Vertical
Lead Law Compliance Level: Lead Law Compliant and Certified
Lead Law Compliant: Yes
Length: 43-1/2 in
Material: Stainless Steel, Ductile Iron, Plastic, Rubber
Material Type: 300, 304L, Buna-N, Noryl®, EPDM
Minimum Temperature: 33
NSF: NSF 61
NSF Certified: Yes
Number of Handles: Two Handle
Pressure - High: 175
Pressure - Maximum: 350 psi
Proposition 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Recommended Valve Application: Fire Protection, 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: 612052112435
Upc: 612052112435
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: Noryl
Valve Size: 6 in
Valve Stem: Outside
Valve Type: Double Check Detector Assembly
Weight: 352 lb
Width: 20-1/2 in
