Cut project downtime by up to 30% with precision-machined grooved end butterfly valves. Built for industrial, HVAC, fire protection, and water treatment systems.
✔ ISO 9001 • CE • UL/ FM compliant • 10+ years of export expertise
Every procurement manager knows that a valve failure doesn't just mean a replacement — it triggers downtime, safety risks, and budget overruns. Here are the most frequent pains we hear from buyers like you:
The bottom line: A cheap valve is the most expensive investment you can make. You need a partner who guarantees quality, delivery, and technical support — not just a product.
Founded in Northern China's valve-making hub, Ningjin Thriveon Valve Co., Ltd. has spent over a decade perfecting the grooved end butterfly valve. Our engineering team — with a combined 60+ years of experience — has designed a valve that solves the exact pain points above.
| Parameter | Detail |
|---|---|
| Size Range | DN50 – DN600 (2" – 24") |
| Pressure Rating | PN10 / PN16 / PN25 / Class 150 / Class 300 |
| End Connection | Grooved end (conforms to AWWA C606 / ISO 6182) |
| Body Material | Ductile Iron (GGG50) / Cast Iron (GG25) / Stainless Steel (CF8/CF8M) |
| Disc Material | Ductile Iron (EN-GJS-400) / SS304 / SS316 / SS316L / Duplex 2205 |
| Seat / Liner | EPDM (standard) / NBR / PTFE / Viton / Silicone — FDA grade available |
| Stem | SS416 / SS304 / SS316 — blow-out proof design |
| Coating | Epoxy powder (FDA, WRAS, NSF 61 compliant) — 250–350 μm thickness |
| Temperature Range | -20°C to +130°C (EPDM) / -20°C to +200°C (PTFE) |
| Operation | Lever / Gearbox / Pneumatic actuator / Electric actuator |
| Standards | ISO 9001, CE, UL/FM (on request), EN 593, AWWA C504 |
| Testing | 100% hydrostatic shell test (1.5x) + seat leakage test (0.1 MPa air) |
| Warranty | 24 months from date of shipment |
grooved butterfly valve grooved type butterfly valve grooved end valve
* Custom pressure ratings, materials, and end connections are available upon request.
Case example: A Texas chemical plant replaced their flanged valves with our grooved end butterfly valves and cut installation time by 40% — saving $28,000 in labor on a single line upgrade.
Full compliance documentation (certificates, test reports, material certs) provided with every order.
"We switched to Thriveon's grooved end butterfly valves for our fire protection line. The quality consistency is remarkable — zero rejects in 1,200 units. Lead times were 28 days, beating our previous supplier by 5 weeks. Their technical team helped us modify the groove depth to match our Victaulic couplings perfectly."
"I've been in water treatment for 18 years and have sourced valves from five countries. Thriveon offers the best price-to-performance ratio. Their EPDM seat longevity is outstanding — we tested it at 50,000 cycles with no leakage. The epoxy coating passed our NSF 61 test with zero issues."
"What sets Thriveon apart is their willingness to customize. We needed a duplex disc for a corrosive seawater application. They developed a prototype in 10 days and shipped the full order of 350 units in 30 days. The pricing was 22% lower than European alternatives."
"We initially hesitated about importing from China, but Thriveon's communication and transparency won us over. They provided third-party inspection reports, and the valves arrived exactly to spec. We've reduced our valve spend by 31% without compromising quality."

"The logistics support from Thriveon is exceptional. They optimized the container mix — grooved valves, flanged valves, and accessories — which saved us 15% on shipping. The documentation was flawless, and customs clearance took just 2 days."
A grooved end butterfly valve uses a grooved connection (conforming to AWWA C606) that mates with mechanical couplings such as Victaulic or Gruvlok. This eliminates the need for flanges or threaded ends, enabling faster installation — typically 60% faster than bolted flanges. It also reduces weight and provides flexible joint movement, ideal for fire protection, HVAC, and water systems.
Our valves are manufactured under ISO 9001:2015 certified facilities. For the US market, we can supply UL listed and FM approved versions (please specify at inquiry). All valves meet AWWA C504 and C606 standards. NSF 61 certification is available for potable water applications. CE marking (PED) is standard for European projects.
Our standard MOQ is 50 units for popular sizes (2"–8") and 20 units for larger diameters (10"–24"). However, we welcome trial orders of 10–20 pcs for new customers. Lead time: 25–35 days for standard orders. Express production (15–20 days) is available for urgent projects. We also hold stock for fast-moving sizes — inquire about our warehouse program.
Absolutely. We specialize in OEM/ODM. Common customizations include SS316/ duplex/ super duplex discs, PTFE/NBR seats, special epoxy colors (RAL), and modified groove dimensions to match non-standard couplings. Our engineering team will review your drawing or coupling sample and provide a solution within 48 hours.
Every single valve undergoes: (1) visual inspection for casting defects and coating uniformity, (2) dimensional check (groove depth, face-to-face, and bolt circle), (3) hydrostatic shell test at 1.5x rated pressure, (4) 100% seat leakage test (air at 0.1 MPa), and (5) torque verification. We provide a detailed inspection report with photos. Third-party inspection (SGS, BV, TUV) is welcome at your cost.
We accept T/T bank transfer (30% deposit, 70% against B/L copy), L/C at sight, and for trusted customers, D/P or net 30 days (subject to credit approval). Shipping: FOB Tianjin / Qingdao, CIF or DDP to major US and European ports. We consolidate shipments to reduce your freight — ask for a shipping comparison.
Yes. We offer up to 2 free samples for qualified buyers (you pay shipping). For custom prototypes, a small tooling fee applies, which is refundable upon mass order. We also support drop testing, cycle testing, and third-party validation — your satisfaction is our priority.
Get factory-direct pricing, certified quality, and delivery in as fast as 15 days.
Submit your RFQ and receive a detailed quotation with technical drawing within 24 hours.
⏳ Limited stock offer: free sample for first-time buyers (request before [date]) • 24-month warranty • 30-day money-back guarantee on standard products
© 2026 Ningjin Thriveon Valve Co., Ltd. All specifications subject to change without notice. Privacy policy available upon request. The information on this page is for general informational purposes only and does not constitute a binding offer.
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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