Description
Zurn Wilkins 6″ 375ASTBG RPZ Backflow Preventer | Stainless Steel & Butterfly Valves.
Product Overview:
The Zurn Wilkins 6″ 375ASTBG RPZ Backflow Preventer provides large-capacity protection for potable water systems in high-flow applications. With a stainless steel body and supervised butterfly valves, this RPZ model offers code-compliant, lead-free backflow protection for industrial buildings, hospitals, and large campuses.
Features & Benefits:
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High-capacity RPZ with two check valves and relief valve
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Compact form allows installation in tight vaults
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Stainless steel body resists chemicals and corrosion
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NSF/ANSI 372 lead-free compliant for potable water
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Grooved butterfly valves with supervision/tamper monitoring
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In-line service without disconnecting system
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Suitable for high-pressure installations
Specifications:
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Size: 6″
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Material: 304L Stainless Steel
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Max Pressure: 175 PSI
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Test Pressure: 350 PSI
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Temperature Range: up to 140°F
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Ends: Grooved or Flanged
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Certifications: ASSE 1013, NSF 61/372, FM®, UL®, CSA®, IAPMO®
Installation Tips:
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Install with ample clearance above grade and beside drains
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Allow side access to test cocks and butterfly handles
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Ensure butterfly valves are properly supervised if required by code
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Always pressure test after installation
FAQs:
Q: Is this unit approved for fire systems?
A: Yes, it’s often used for combined domestic and fire protection water services.
Q: How do I access the internal components?
A: Remove the top cover to access check modules and the relief valve for in-line maintenance.
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