Zurn Wilkins 4" 350AST Double Check Valve Assembly | Stainless Steel Backflow Preventer with NRS Gate Valves.
Product Overview:
Engineered for mid-size commercial plumbing and irrigation systems, the Zurn Wilkins 4" 350AST DCVA ensures strong, code-compliant backflow prevention. With full-port NRS gate valves and a 304L stainless steel body, this backflow preventer delivers durability, easy maintenance, and outstanding flow performance.
Features & Benefits:
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Designed to prevent backflow contamination from non-health hazard sources
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Short lay-length saves space in crowded mechanical areas
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Lead-free and potable water certified
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Internal components serviceable without removing the valve
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Stainless construction increases resistance to harsh water environments
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Compatible with retrofit upgrades
Specifications:
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Size: 4"
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Body Material: 304L Stainless Steel
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Operating Pressure: 175 PSI
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Temperature Range: Up to 140°F
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Test Pressure: 350 PSI
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Connections: Grooved or Flanged
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Certifications: ASSE 1015, NSF 61/372, UL®, FM®, CSA®, IAPMO®, USC Approved
Installation Tips:
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Install above flood level and near a floor drain
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Provide sufficient clearance on both sides
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Horizontal or vertical configurations supported by code
FAQs:
Q: Can this unit handle industrial use?
Yes, it’s designed for commercial and light industrial applications.
Q: What type of maintenance does it require?
Routine testing and easy in-line service of internal check components.
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