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Description
Zurn Wilkins 3-350ABG 3" Double Check Valve Assembly (DCVA) Supervised Grooved Butterfly Valves Lead-FreeZurn Wilkins 3 350ABG 3" Double Check Valve Assembly (DCVA) Backflow Preventer with Supervised Buttery Valves, Grooved Connection, Lead Free Engineering Specification: The Double Check Backflow Prevention Assembly shall be certified to NSF ANSI 372, ASSE Listed 1015, and supplied with supervised grooved butterfly valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536 Grade 4), the seat ring and check valve shall be
Zurn Wilkins 3-350ABG 3" Double Check Valve Assembly (DCVA) Backflow Preventer with Supervised Buttery Valves, Grooved Connection, Lead-Free Engineering Specification: The Double Check Backflow Prevention Assembly shall be certified to NSF/ANSI 372, ASSE® Listed 1015, and supplied with supervised grooved butterfly valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536 Grade 4), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks shall be accessible for maintenance without removing the device from the line. The Double Check Backflow Prevention Assembly shall be a ZURN WILKINS Model 350ABG.
Features & Benefits:
| Short lay length makes replacement easier | Compound Check® yields very low headloss |
| Available in flanged, grooved, or grooved X flanged | Low-lead law compliant |
Application:
Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 350A shall provide protection where a potential health hazard does not exist. Ideal for use where Lead-Free* valves are required.
Standards Compliance (Horizontal & Vertical):
- ASSE® Listed 1015
- AWWA Compliant C510 (with gates only), and C550
- IAPMO® Listed
- Certified to NSF/ANSI 372* by IAPMO R&T
- CSA® Certified
- UL® Classified
- C-UL® Classified
- FM® Approved
- NYC MEA 220-04-M Vol 2 (2 1/2" - 8")
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
- NSF® Listed-Standard 61, Annex G* *(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
Materials:
- Main valve body Ductile Iron ASTM A 536 Grade 4
- Access covers Ductile Iron ASTM A 536 Grade 4
- Coatings FDA Approved electrostatic epoxy finish
- Internals Stainless steel, 300 Series NORYL™, NSF Listed
- Fasteners & springs Stainless Steel, 300 Series Seal ring EPDM (FDA approved)
- O-ring Buna Nitrile (FDA approved)
Features:
- Sizes: 2 1/2", 3", 4", 6", 8", 10"
- Maximum working water pressure 175 PSI
- Maximum working water temperature 140˚F
- Hydrostatic test pressure 350 PSI
- End connections
- (Grooved for steel pipe) AWWA C606
- (Flanged) ANSI B16.1 Class 125
Typical Installation:
Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) and a maximum of 30" (762mm) above adequate drains with sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy