Zurn Wilkins 6" 375AST RPZ Backflow Preventer | Stainless Steel, NRS Gate Valves.
Product Overview:
The Zurn Wilkins 6" 375AST RPZ Backflow Preventer is built to protect large-scale potable water systems from serious contamination risks. Designed for industrial, municipal, and campus applications, this assembly combines high-volume flow capacity with reliable backflow prevention in a rugged stainless steel housing.
Features & Benefits:
-
Designed for high-demand systems with health hazard concerns
-
RPZ assembly with dual checks and a relief valve
-
Stainless steel body with corrosion-resistant internals
-
Full-port NRS gate valves for maximum system flow
-
Lead-free certification ensures potable water compliance
-
Simple in-line service access
-
Ideal for fire protection, HVAC, and city supply lines
Specifications:
-
Size: 6"
-
Body Material: 304L Stainless Steel
-
Working Pressure: 175 PSI
-
Test Pressure: 350 PSI
-
Max Temp: 140°F
-
End Connections: Grooved / Flanged
-
Certifications: ASSE 1013, UL®, FM®, CSA®, NSF 61 & 372
Installation Tips:
-
Install 12–30" above finished grade
-
Ensure drainage for relief valve discharge
-
Maintain clear space around test ports and valve bodies
-
Use proper anchoring and support for heavy lines
-
Comply with fire, plumbing, and water utility regulations
FAQs:
Q: Can this RPZ assembly handle continuous high flow?
A: Yes, the full-port design and relief valve are built for industrial-grade flow conditions.
Q: How often should I test this valve?
A: Most jurisdictions require annual testing; follow your local backflow program.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.