ZURNZurn Double Check Backflow Preventers
ZURN Double Check Backflow Preventer: 350AST
The ZURN 350AST is a 4-inch double check backflow preventer with flange x flange connections and NRS gate valve shut-off valves. This model, MPN 4-350AST, has an overall length of 34.88 inches.
SKU 3G-OTH-439830
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 350AST is a 4-inch double check backflow preventer with flange x flange connections and NRS gate valve shut-off valves. This model, MPN 4-350AST, has an overall length of 34.88 inches.
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.










