ZURN 4-350ASTDA Reduced-Pressure Zone Backflow Detector
The ZURN 350ASTDA is a reduced-pressure zone backflow detector, part of the Zurn brand. This model features a 4-inch pipe size with flange connections and an OSY gate valve shut-off valve, constructed from stainless…
SKU 3G-OTH-440276
Also listed as: 4350ASTDA · 4 350ASTDA
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The ZURN 350ASTDA is a reduced-pressure zone backflow detector, part of the Zurn brand. This model features a 4-inch pipe size with flange connections and an OSY gate valve shut-off valve, constructed from stainless steel. It is identified by manufacturer part number 4-350ASTDA.
Frequently Asked Questions
What is the ZURN 350ASTDA backflow preventer used for?
The ZURN 350ASTDA is a reduced-pressure zone backflow detector used in commercial and industrial water systems to prevent contaminated water from flowing backward into the potable supply. It is commonly installed on fire sprinkler systems and high-hazard cross-connections where continuous water quality protection is required.
What are the specifications of the ZURN 4-350ASTDA?
The ZURN 4-350ASTDA has a 4-inch pipe size with flange connections and an OSY gate valve shut-off valve. It is constructed from stainless steel and is part of the Zurn reduced-pressure zone backflow detector series. The manufacturer part number is 4-350ASTDA.
Where to buy the ZURN 350ASTDA worldwide?
3G Electric supplies the ZURN 350ASTDA backflow preventer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team for availability and a quote tailored to your location and project requirements.
How to install a ZURN reduced-pressure zone backflow detector?
Install the ZURN 350ASTDA in a horizontal position with adequate clearance for testing and maintenance. Ensure the flange connections are properly aligned and gasketed. Always follow local plumbing codes and the manufacturer's instructions. After installation, test the device with a calibrated gauge to verify proper operation.
Used in
Common applications for ZURNZURN Products
3G Electric supplies ZURN zurn reduced-pressure zone backflow detectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- ZURN Double check backflow preventer with 6-inch pipe size and flange x flange connections. Features NRS gate valve shut-off and overall length of 43.5 inches. Used in commercial and industrial water systems to prevent reverse flow contamination in fire sprinkler, irrigation, and process water applications
- ZURN Double check backflow preventer with 10-inch pipe size, flange x flange connections, and NRS gate valve shut-offs. Overall length 55.75 inches. Used in commercial and industrial water systems to prevent reverse flow of contaminated water into potable supply, commonly installed in fire sprinkler, irrigation, and high-hazard plumbing applications