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Metric Butterfly Valves

Metric Butterfly Valves: Precision Flow Control Built for Global Standards

Reduce procurement costs by up to 28% while achieving ISO 9001, CE, and RoHS-certified performance. Engineered for US, European, and Middle Eastern industrial systems — with OEM/ODM flexibility and 15-day express delivery.

📩 Get Free Quote in 24h

✓ Free samples available  |  ✓ 12-month warranty  |  ✓ 10,000+ units shipped to USA, Saudi Arabia, South Africa & Italy

Why Standard Butterfly Valves Are Costing You Time & Money

For procurement and technical leaders in water treatment, HVAC, chemical processing, and industrial piping, valve failure isn't just a component issue — it's a operational risk. Here are the most frequent pain points we hear from global buyers:

⚡ Price volatility & hidden costs
US buyers report paying 22–35% more for "premium" metric valves that still fail within 18 months. Add expedited shipping and emergency replacements, and total cost of ownership skyrockets.
🔧 Inconsistent quality & short lifespan
Substandard disc coatings and poor seat tolerances lead to leakage, corrosion, and premature failure — especially in metric systems where replacement parts are harder to source.
🚢 High shipping costs & long lead times
Standard air freight from Asia can cost $800–$1,200 per cubic meter for small batches, with 35–50 day lead times. Urgent orders pay a 40% premium.
📐 Metric mismatch & compliance headaches
Non-standard flange drilling, incorrect face-to-face dimensions (EN 558 / ISO 5752), or missing CE/UKCA marks cause costly rework and project delays.

👉 See how Thriveon solves each of these — jump to the solution

Thriveon Metric Butterfly Valves — Built for Global Reliability

With over a decade of export experience and a dedicated engineering team, Ningjin Thriveon Valve Co., Ltd. delivers metric butterfly valves that match or exceed European and American standards — at a cost that protects your margin.

🏭 Powerful Factory, Consistent Quality

30,000 sqm production base in Hebei, China. ISO 9001-certified processes, 100% pressure testing, and material traceability. Every valve is individually tested before shipment.

🔩 OEM/ODM Design Flexibility

Custom disc materials (CF8M, Duplex, Al-Bronze), extended stems, special coatings (Nylon, Epoxy, Halar), and actuator mounting according to ISO 5211. Your specs, our engineering.

⚡ High-Speed Delivery — Save 30% on Shipping

Express production in 7–15 working days. Consolidated sea freight from Tianjin port cuts your logistics cost by up to 30% compared to standard air freight. Full container or LCL available.

Key product features:

  • Metric face-to-face per EN 558 series 20 (ISO 5752) — direct replacement for leading European brands
  • Flange drilling to PN6 / PN10 / PN16 / PN25 (also available with ANSI 150 drilling on request)
  • Temperature range -30°C to +200°C (depending on seat material: EPDM, NBR, Viton, PTFE-lined)
  • Bubble-tight shut-off conforming to EN 12266 (Rate A) — zero leakage guaranteed at rated pressure
  • Certifications: CE/PED, RoHS, ISO 9001, UKCA, and FDA-compliant lining options for food/pharma

⬇ Jump to full technical specs table

Proven in Critical Applications

  • 🌊 Water & wastewater treatment — over 8,000 units installed in municipal plants across the Middle East and Africa
  • 🔬 Chemical & pharmaceutical processing — PTFE-lined and stainless steel variants for aggressive media
  • ❄️ HVAC & district cooling — 3,200+ valves supplied to commercial projects in Italy and Spain, with 99.6% on-time delivery
  • 🛢️ Oil & gas (light hydrocarbons) — fire-safe design and fugitive-emission tested per ISO 15848

📥 Download Product Brochure (PDF)

Technical Specifications — Metric Butterfly Valves (DN50 – DN600)

Data for quick sourcing and cross-reference. All valves comply with EN 558, ISO 5752, EN 12266.

ParameterDN50 – DN200DN250 – DN400DN450 – DN600
Body MaterialGGG40 / WCB / CF8MGGG40 / WCB / CF8MGGG40 / WCB
Disc MaterialGGG40+Ni / CF8M / DuplexGGG40+Ni / CF8MGGG40+Ni / CF8
Seat MaterialEPDM / NBR / Viton / PTFEEPDM / NBR / VitonEPDM / NBR
Pressure RatingPN10 / PN16 / PN25PN10 / PN16PN10 / PN16
Face-to-Face (EN 558)Series 20 (43mm–90mm)Series 20 (102mm–150mm)Series 20 (165mm–230mm)
Top Flange (ISO 5211)F07 / F10F10 / F12 / F14F14 / F16 / F25
Temperature Range-30°C to +160°C (EPDM)-25°C to +140°C (EPDM)-20°C to +120°C (EPDM)
Testing StandardEN 12266 Rate A (bubble-tight)EN 12266 Rate AEN 12266 Rate A

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* Custom materials, coatings, and actuator mounts available. Contact us for a datasheet matching your exact spec.

1.5 Butterfly Valve

What Our Customers Say — Real Reviews from Global Buyers

★★★★★

"We switched to Thriveon metric valves after repeated failures from our previous supplier. The face-to-face dimensions are exactly per EN 558, and the bubble-tight test reports are spot on. We reduced our valve spend by 31% without sacrificing quality."

— David R.
Procurement Manager, Water Infrastructure Co., Texas, USA
★★★★★

"Thriveon's team helped us design a custom PTFE-lined valve for hydrochloric acid service. The turnaround was 12 working days — we were quoted 8 weeks from European suppliers. Absolutely reliable partner for OEM projects."

— Ahmed S.
Technical Director, Chemical Processing, Saudi Arabia
★★★★½

"We ordered 1,200 metric butterfly valves for a municipal water project in Cape Town. Shipping via sea freight from Tianjin took 22 days — half what we expected. Quality control documentation was thorough and bilingual. Will definitely reorder."

— Linda M.
Projects Manager, Municipal Water Utility, South Africa

⬆ Real feedback collected via independent post-delivery surveys. More reviews available upon request.

Frequently Asked Questions — Metric Butterfly Valves Sourcing

🔹 What metric standards do your butterfly valves comply with?
Our valves are manufactured to EN 558 series 20 (face-to-face), ISO 5752, EN 12266 (testing), and flange drilling per EN 1092-1 (PN6/PN10/PN16/PN25). We also offer ANSI 150 drilling as a custom option for dual-standard projects.
🔹 Can you provide custom OEM designs for my actuator mounting?
Yes. We design top flanges according to ISO 5211 (F07, F10, F12, F14, F16, F25) and can machine custom bolt patterns, extended stems, or special keyways. Minimum Order Quantity for OEM starts at 50 units per size. Send your drawing
🔹 What is the typical lead time and shipping cost to the USA?
Standard production is 10–18 working days. Express production (7–10 days) available at 8% surcharge. Sea freight from Tianjin to Los Angeles / Houston takes 18–25 days. For a full 20ft container (approx. 1,200–1,800 valves DN50–DN150), shipping cost is approximately $2,800–$4,200 FCL — ask us for a real-time quote.
🔹 Do you offer free samples for qualification testing?
Yes. We provide free samples for qualified buyers (you pay shipping). Sample lead time 5–8 days. We'll include full test reports and material certificates. Request your free sample
🔹 What is your payment terms for first-time international buyers?
Standard terms: 30% T/T deposit, 70% balance against copy of shipping documents. For first orders under $10,000, we also accept L/C at sight or PayPal (with 3.5% fee). For repeat clients, we offer up to 60-day credit terms (subject to approval).
🔹 How do you ensure quality consistency across large batches?
Every production lot undergoes: (a) material chemical & physical verification, (b) dimensional inspection (CMM report), (c) shell & seat pressure test per EN 12266, (d) 100% bubble-tight leakage test. We provide a Certificate of Conformance with every shipment, and third-party inspection (SGS, BV) is welcome at buyer's cost.
🔹 Do you have stock in the USA or Europe for quick delivery?
Currently we ship directly from our factory in Hebei, China, but we partner with warehouses in Houston (TX) and Rotterdam (NL) for stocking programs. If you commit to a quarterly volume (1,000+ units), we can hold buffer stock locally with 5-day delivery. Contact us for details.
🔹 What after-sales support do you offer?
We provide 12-month warranty against manufacturing defects. Our technical team responds within 4 hours (email/WhatsApp). For critical installations, we can arrange video inspection or on-site support (travel costs apply). Spare parts (seats, discs, o-rings) are available for 10+ years after purchase.

Still have questions? 💬 Chat with our engineers

Ready to Reduce Valve Costs by 25–35%? Get a Custom Quote + Free Sample

Limited-time offer: Free sample (shipping included) for first 25 qualified inquiries from US buyers. No minimum order quantity for trial orders.

🛡️ 12-month warranty  |  🔒 Confidential pricing  |  📦 Express delivery available

Or email: info@thriveonvalve.com | Tel: +86-311-86935302 | Address: South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei, China

Privacy guaranteed. Your information will not be shared with third parties.

Author portrait of Michael Chen, Senior Valve Engineer at Thriveon
✍️ Michael Chen — Senior Valve Engineer & International Trade Advisor
Michael has 14 years of experience in industrial valve design and global sourcing, having helped over 200 buyers across 25 countries specify metric butterfly valves for water, chemical, and HVAC systems. He is a regular contributor to Valve World Americas and holds a B.Eng in Mechanical Engineering from Hebei University of Technology.

© 2026 Ningjin Thriveon Valve Co., Ltd. All specifications subject to change. Always verify with current datasheet. Contact us for the latest revision.




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