ZURNZurn Double Check Backflow Preventers
ZURN Double Check Backflow Preventer: 350, 4 in Pipe Size, Flange x Flange, 37.63 in Overall Lg
The ZURN Double Check Backflow Preventer: 350 (MPN 4-350) is a 4-inch pipe size backflow preventer with flange x flange connections and an NRS gate valve shut-off valve type. This model features a 37.63-inch overall…
SKU 3G-OTH-439814
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerNo account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h
Not sure this is the right part? Get a recommendation.
Need installation or engineering help?
Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineerAsk a question
ZURN Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The ZURN Double Check Backflow Preventer: 350 (MPN 4-350) is a 4-inch pipe size backflow preventer with flange x flange connections and an NRS gate valve shut-off valve type. This model features a 37.63-inch overall length and is designed for industrial backflow prevention applications.
Used in
Common applications for ZURNCommercial restrooms — ZURN AquaVantage® automatic flush valves (ZER6000AV series) for water-efficient toilet flushing
Institutional kitchens — ZURN cast iron floor drains (ZN415 series) for heavy-duty drainage in food preparation areas
Industrial washdown areas — ZURN height-adjustable PVC floor drains (EZ1 series) for chemical-resistant drainage
Hospital patient rooms — ZURN dome strainers (P1910 series) for floor sink drainage in sanitary environments
Office building maintenance — ZURN chrome-plated brass P-traps (ZR365B-PC) for sink trap replacements
Urinal retrofit projects — ZURN ZTR sensor flush valve retrofit kits (ZTR6203 series) for upgrading manual urinal flush valves
ZURN Products
3G Electric supplies ZURN zurn double check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
