Eliminate cross-contamination risks in commercial plumbing, irrigation, and process water systems with ASSE 1015 compliant dual check valve backflow preventers engineered for longevity and zero maintenance. Built for procurement managers who demand code compliance without the premium markup.
Every year, facility managers and contractors lose thousands in fines, repairs, and liability claims due to subpar backflow protection. Here are the hidden costs you might be carrying right now:
In the US, AWWA and local codes require ASSE 1015 or 1016 listed devices. Non-compliant dual check valve backflow preventers can result in fines of $500–$10,000 per violation and even water service shut-off. Many budget imports lack proper certification.
Low-grade plastic or thin brass bodies crack under pressure surges. A single failure in a 4" line can flood a mechanical room — average repair cost: $8,500. Plus, the downtime disrupts operations.
Cheap backflow preventer assemblies need rebuild kits every 12–18 months. At $350–$900 per kit plus labor, the total cost of ownership quickly exceeds the initial "savings." You're not saving — you're deferring costs.
Importing from unknown suppliers means 8–12 week lead times and unpredictable quality. When you need 50 units for a school project or commercial retrofit, waiting 3 months is simply not acceptable.
A failed dual check backflow preventer in a hospital or food processing plant can introduce back-siphonage of non-potable water. The legal and reputational damage is incalculable. One lawsuit can wipe out years of profit.
Are you tired of being the "cheapest" bid that turns into the most expensive mistake?
↓ See How Thriveon Eliminates These RisksOur dual check valve backflow preventer is designed specifically for commercial and industrial applications where code compliance, low maintenance, and cost predictability are non-negotiable. Here's what sets it apart:
Every unit is independently certified for potable water systems. You get a compliance package that satisfies local inspectors across all 50 US states and Canada. No more last-minute substitutions or failed inspections.
Machined from dezincification-resistant (DZR) brass and 316 stainless steel springs. Handles pressures up to 250 PSI and temperatures to 210°F. Tested to 500,000 cycles for zero-leak performance — 3× the industry standard.
40% shorter body vs. competitive models means you can install in tight valve boxes or mechanical rooms without expensive repiping. Threaded (NPT) and flanged options available from ½" to 10".
No need to remove the valve body — simply unscrew the top cap and replace the dual check cartridge in under 10 minutes. Reduce maintenance labor by 70% compared to traditional backflow preventers.
By sourcing directly from Thriveon's ISO 9001 certified factory in Northern China, you eliminate 2–3 layers of markup. Same compliance, same quality, at a price that improves your project margin.
Standard orders ship in 14 working days. Air express available in 7 days for urgent projects. We stock raw materials for the most popular sizes (¾" to 3") to ensure you never wait for a critical delivery.
| Parameter | Specification |
|---|---|
| Model Series | TV-DCV-100 / TV-DCV-200 (Threaded) & TV-DCV-F300 (Flanged) |
| Size Range | ½" – 10" (15mm – 250mm) |
| End Connections | NPT Threaded (½" – 2") / ANSI B16.5 Class 150 Flanged (2½" – 10") |
| Body Material | Lead-Free DZR Brass (ASTM B124) / 316 Stainless Steel (optional) |
| Internal Components | 316 SS Springs, EPDM Seals, Noryl® Poppets |
| Max Working Pressure | 250 PSI (17.2 bar) |
| Max Working Temperature | 210°F (99°C) |
| Certifications | ASSE 1015, NSF/ANSI 61, CSA B64.5, ISO 9001, CE |
| Flow Capacity (Cv) | ½" – 12.5 | 1" – 22.0 | 2" – 85.0 | 4" – 340.0 |
| Test Ports | 2 NPT test cocks (standard on 2½" and above) |
| Warranty | 12 months (extended to 24 months for OEM partners) |
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Custom sizes, materials (bronze, ductile iron), and special coatings (epoxy, PTFE) available for OEM/ODM projects.
Replaced 86 aging dual check valve assemblies across 12 campuses. Thriveon units passed inspection on the first attempt. Estimated 47% cost savings vs. the prior supplier. "The compact design saved us from digging up 28 valve boxes." — Facility Director
Installed in a meat processing facility's potable water lines. NSF/ANSI 61 compliance confirmed by third-party audit. Zero failures after 18 months of daily hot-water sanitization cycles at 180°F.
Supplied 340 units of ¾" and 1" dual check backflow preventers for a 45-story tower. Pressure tested at 200 PSI with zero leakage. On-time delivery in 6 weeks via air freight.
A dual check valve backflow preventer is a mechanical device that uses two independently operating check valve assemblies in series to prevent backflow (reverse flow) of non-potable water into the potable water supply. If the first check valve fails, the second provides backup protection. It is the most common backflow prevention device for low-to-medium hazard applications under ASSE 1015.
Typical applications include: commercial irrigation systems, residential lawn sprinklers, water softener connections, commercial kitchen equipment, and boiler feed lines. Most US states require ASSE 1015 listed devices for these applications. Check your local plumbing code — many jurisdictions have adopted the IPC or UPC which reference ASSE 1015.
Yes. We offer full OEM/ODM services: custom body materials (bronze, ductile iron, stainless steel), special end connections (grooved, flanged), unique cartridge designs, and private labeling. Minimum order quantities vary by size — contact us for a custom quote.
Standard production is 14 working days. Air freight (7 days door-to-door) costs approximately $120–$350 for small orders (up to 50 units of 1"). Sea freight (40 days) is the most economical for larger quantities — we can help you calculate landed cost. All shipments include full customs documentation.
Every dual check valve backflow preventer comes with a 12-month warranty against manufacturing defects. For OEM partners, we offer 24-month extended warranty. Our technical team is available via email (info@thriveonvalve.com), WhatsApp, and phone for installation support and troubleshooting.
Our direct-from-factory pricing is typically 30–50% lower than equivalent US-branded products (e.g., Watts, Zurn, Wilkins) for the same ASSE 1015 certification and material quality. You pay for the valve, not the brand overhead. We encourage customers to request a sample batch for side-by-side comparison.
We accept T/T bank transfer, L/C (letter of credit), and PayPal for smaller orders. We also offer credit terms for established OEM/OEM partners after a review period. All payments are processed with full invoicing and trade documentation.
Yes. We provide free samples for qualified buyers (you pay shipping). Request a sample via our contact page or email us at info@thriveonvalve.com. We recommend testing at least 3 units under your actual pressure and flow conditions.
Limited-time: Free sample program for first-time buyers. Request your quote today — we respond within 24 hours.
Or email us directly: info@thriveonvalve.com
"I was skeptical about sourcing backflow preventers from China, but Thriveon changed my mind. The ASSE certification is genuine — I verified it myself. We've installed over 200 units and the defect rate is below 0.5%. That's better than our previous US supplier."
— James R., Senior Plumbing Engineer, HOK New York ★★★★★
"The dual check valve assembly from Thriveon saved our project timeline. We needed a rush order of 60 units for a hospital expansion. They delivered in 10 days — air freight was well coordinated. The valves passed inspection without a single issue."
— Priya M., Project Manager, Turner Construction, California ★★★★★
"We buy dual check valve backflow preventers in bulk for our irrigation equipment line. Thriveon's pricing gave us a 22% margin improvement. Their OEM team is responsive and the custom packaging looks professional. Highly recommended for distributors."
— Carlos G., Supply Chain Manager, Ewing Irrigation & Landscape Supply ★★★★★⭐ Rated 4.9 / 5.0 based on 147 verified buyer reviews (as of Q1 2026) — Read more testimonials
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Call us on:
+86-311-86935302
+86-311-86935302
Email Us:
info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China 
Trusted by Engineering Firms, Contractors & Municipalities Across 30+ Countries
Full Compliance & Certification Package
Every shipment includes: ASSE 1015 listing, NSF/ANSI 61 certification, ISO 9001:2015 factory audit report, material test certificates (MTC), and pressure test records. We also provide CE, UKCA, and CCC upon request.
ISO 9001:2015 ASSE 1015 NSF/ANSI 61 CE / UKCA CSA B64.5 CCC (China)