Engineered lug-style butterfly valves for dead-end service. Compliance with ASME B16.34 & API 609. Factory-direct pricing eliminates supply chain waste.
Get Free Technical Quote & Sample →✓ Free sample for qualified projects | ✓ 24/7 Engineering Support
Overpaying for standard valves, dealing with inconsistent quality, or staring at 30-week lead times? These aren't just inconveniences—they erode your bottom line and plant reliability.
⚡ Overpaying by 30-50%? Are you locked into premium pricing for "Brand X" while factory-direct alternatives offer identical ASME compliance and performance? Our U type butterfly valve delivers the same technical specifications at a fraction of the cost.
⚡ Unplanned Shutdowns? Industry data shows valve failure accounts for up to 15% of unplanned industrial outages. Inconsistent casting quality, poor coating adhesion, and seat leakage in standard wafer valves put your operations at risk.
⚡ Supply Chain Headaches? Global logistics volatility extends lead times beyond acceptable limits. Can your maintenance schedule afford waiting 20+ weeks for a standard lug valve? Our high-speed delivery model guarantees 15-25 day dispatch.
Ningjin Thriveon Valve Co., Ltd. combines decades of manufacturing expertise with a modern, quality-focused supply chain. Our U Type (Lug Style) butterfly valves are engineered to meet the toughest demands of the water, HVAC, and industrial processing sectors.
We are a primary manufacturer in Northern China's valve valley, not a trading company. By eliminating intermediaries, we offer U type butterfly valves at 30-40% lower acquisition costs compared to equivalent American or European brands, without compromising on material traceability or standards compliance.
Every valve undergoes rigorous inspection: 100% shell and seat pressure testing per API 598, material verification (MTR), and dimensional checks. Our Ductile Iron and Stainless Steel bodies feature fusion-bonded epoxy coating for superior corrosion resistance.
Our experienced engineers (10+ years) can match your exact specifications: special trims (Hastelloy, Duplex, Monel), extended stems, custom drilling patterns per ASME B16.5, and specialty coatings. We treat your requirements as a standard, not an exception.
We maintain extensive raw material and semi-finished body stock. Standard lead time for U type butterfly valves is 15-25 days. We offer FOB, CIF, and DDP terms to simplify your procurement process.
Our U Type Butterfly Valve is designed for dead-end service at full rated pressure. Below are the standard specifications:
| Parameter | Specification |
|---|---|
| Size Range | 2" to 48" (DN50 to DN1200) |
| Pressure Rating | Class 150 / Class 300 (PN10/PN16/PN25 available) |
| Design Standard | API 609 Category A / ASME B16.34 |
| Face-to-Face | ASME B16.10 |
| Flange Drilling | ASME B16.5 (Class 150 / 300) |
| Test Standard | API 598 |
| Body Materials | Ductile Iron (ASTM A536), WCB (ASTM A216), CF8M (ASTM A351), Aluminum Bronze |
| Disc Materials | Ductile Iron Ni-Plated, CF8M, Duplex SS, Aluminum Bronze |
| Seat Materials | PTFE, RTFE, Nylon, Viton, EPDM |
| Stem Materials | SS410, SS17-4PH, SS316 |
| Operation | Lever Handle, Gearbox, Electric Actuator, Pneumatic Actuator |
| Certifications | ISO 9001:2015, CE/PED, UKCA, API 609 (Compliant) |
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Application Scenarios: Dead-End Service / Isolation, HVAC Chilled Water & Hot Water, Wastewater Treatment, Fire Fighting Systems, Industrial Process Cooling.
Our commitment to quality and delivery has made us a preferred partner for EPC firms and plant operators across the United States, Canada, Europe, and the Middle East.

"We switched to Thriveon's U type valves for our Texas cooling water project. The quality is comparable to the major US brands, but the cost savings allowed us to fund additional scope. Lead times were exactly as promised."
"The OEM customization capability is outstanding. They worked with our engineering team to produce a special stem and disc combo for an actuator retrofit. Highly responsive technical support."
Stop overpaying and risking downtime. Get factory-direct pricing, superior quality, and reliable lead times. Our engineering team is ready to support your next project.
Contact us now:
📧 info@thriveonvalve.com | 📞 +86-311-86935302
🏢 South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei, China
* Free samples are subject to project qualification and approval.
"We evaluated multiple Asian suppliers for our Class 150 U type valve requirements. Thriveon stood out for their quality documentation and prompt communication. The valves matched our spec perfectly and the price point was unbeatable. We've now approved them as a standard supplier."
"The OEM process was seamless. We needed a specific coating and extended stem for a seawater application. Their engineering team provided a detailed drawing within 48 hours. The final product was exactly as requested. Great partner for custom solutions."
"Consistency is key in our industry. Batch after batch, Thriveon's U type valves deliver the same quality. The fire-safe design and bubble-tight shutoff give us confidence in critical isolation services. Highly recommend for API 609 applications."
"We were struggling with the high prices of European suppliers. Thriveon provided a direct alternative with CE certification and full traceability. Delivery was faster than our previous supplier. Excellent value and service."
"The level of technical support is rare to find. They helped us select the correct seat material for a high-cycling HVAC application. The valves have been running perfectly for over 18 months. A trustworthy manufacturing partner."
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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