8 Inch Butterfly Valve: A Comprehensive Guide for Industrial Buyers & Sourcing Professionals
If you are an import manager, brand owner, wholesaler, or sourcing agent searching for a reliable 8 inch butterfly valve, you likely need clear answers on specifications, compliance, lead times, and manufacturer capability. This guide details how a powerful factory with stringent quality assurance and full OEM/ODM design support can meet high-volume procurement needs while leveraging China's efficient supply chain for high-speed delivery.
Common Procurement Pain Points for Industrial Valve Buyers
Sourcing valves like the 8 inch butterfly valve involves navigating several challenges that impact project timelines and bottom lines.
- Inconsistent Quality & Certification Gaps: Receiving valves that don't meet stated CE, FDA, or ISO 9001 standards, leading to compliance failures and safety risks.
- Unreliable Lead Times: Delays in production and shipping disrupt inventory and project schedules.
- Limited Customization & High MOQs: Inflexible suppliers who cannot support OEM/ODM branding or have prohibitively high minimum order quantities.
- Poor Technical & After-Sales Support: Lack of clear documentation, material traceability, and responsive service post-purchase.
These issues underscore the need for a partner that combines manufacturing scale with precise, buyer-centric processes.
Technical Specifications & Product Advantages of Our 8 Inch Butterfly Valves
Engineered for durability and performance, our 8 inch butterfly valves are designed to handle demanding applications in water treatment, chemical processing, HVAC, and general industrial services.
Core Design & Material Specifications
| Parameter | Specification | Application Note |
|---|---|---|
| Size (Nominal) | 8 Inch / DN200 | Standard ANSI/ASME B16.10 face-to-face dimensions. |
| Body Material | Ductile Iron, Cast Steel (WCB), Stainless Steel (CF8/CF8M) | Material choice depends on media (water, chemicals, steam) and pressure requirements. |
| Disc Material | Stainless Steel (304/316), Ductile Iron with Ni-plating | Ensures corrosion resistance and longevity. |
| Seat Material | EPDM, NBR, Viton (FKM) | Selected for temperature range and chemical compatibility. |
| Pressure Rating | PN10/PN16, Class 150 | Suitable for a wide range of municipal and industrial pressures. |
| Operation | Lever, Gearbox, Electric Actuator, Pneumatic Actuator | Allows for manual or automated system integration. |
Note: The above parameters are for reference. Final specifications for your OEM/ODM order will be confirmed in the technical agreement.
Compliance & Quality Assurance Framework
Our manufacturing processes are structured to meet international market access standards. Key certifications and practices include:
- ISO 9001:2015 Certified Quality Management System.
- Valves can be produced to comply with CE PED (Pressure Equipment Directive) requirements and FDA standards for relevant applications.
- Material certificates (3.1/3.2 per EN 10204) and full traceability available upon request.
- Rigorous testing, including shell tests, seat tests, and operational torque checks.
Manufacturing Capability & Commercial Terms for Bulk Buyers
Hebei Yuanda Trade Co., Ltd. (YD), founded in 2006, operates from a 5000 m² facility with extensive foundry partnerships. This scale directly benefits buyers through flexible terms.
Key Commercial Details
MOQ (Minimum Order Quantity): Flexible, starting from 50 pieces for standard 8 inch butterfly valves. Lower quantities may be available for trial orders or specific OEM projects.
Lead Time: Typically 30-45 days for standard orders after deposit confirmation. Expedited production is possible for urgent requirements.
Customization (OEM/ODM): Full support for custom disc designs, logos, packaging, seat materials, and actuator integration. Engineering drawings are reviewed collaboratively.
Packaging & Logistics: Standard export packaging (wooden cases/pallets). Shipping terms are FOB, CIF, or EXW per buyer's preference. We assist with documentation.
After-Sales: Technical data support, and a warranty covering material and workmanship defects. Spare parts (like seals) are available for order.
These terms are designed to provide predictability and control for your procurement cycle.
Feedback from Global Partners
Here is authentic feedback from professionals who have sourced valves through our network:
"We needed a custom 8 inch lug-style valve for a municipal water project in Texas. YD's engineering team worked closely with us on the material spec and provided all necessary CE documentation. The valves passed third-party inspection without issue. The communication was professional throughout."
– Michael R., Project Procurement Manager, US Water Infrastructure Firm
"As a wholesaler, consistent quality and on-time delivery are everything. We've ordered several containers of 6 inch and 8 inch butterfly valves from them over three years. The defect rate is remarkably low, and their logistics updates are timely. It's a reliable partnership for our inventory."
– Sarah L., Import Director, Industrial Valve Distributor, UK
"Our brand required white-label valves with specific packaging. Their ODM service handled everything from design to final carton printing. The pricing was competitive for the quality level, and they met a tight 35-day deadline. Excellent for branded sourcing."
– David K., Brand Owner, Flow Control Solutions, Australia
Next Steps for Your Procurement Inquiry
To proceed with a quotation or technical discussion for your 8 inch butterfly valve requirements:
- Provide Specifications: Share your needed material, pressure class, operation type, quantity, and any certification needs (CE, FDA).
- Request a Formal Quote: Contact us via email or WhatsApp for a detailed proforma invoice with FOB/CIF terms.
- Discuss Customization: For OEM/ODM projects, share your drawings or concept for a feasibility review.
Contact Hebei Yuanda Trade Co., Ltd.
Tel: +86-311-808-126-83 | WhatsApp: +8619333738338 (Ben) / +8619333736198 (Linda)
Email: info@ydcastings.com | Visit: Contact Page
Add: No.563 Xinhua Road, Shijiazhuang City, Hebei Province, P.R. China
Frequently Asked Questions (FAQ) About 8 Inch Butterfly Valves
Q: What is the typical lead time for an order of 200 pieces of 8 inch butterfly valves?
A: For a standard configuration order of 200 pieces, the typical production lead time is 30-45 days after deposit confirmation. This includes manufacturing, testing, and preparation for shipment. Expedited options may be available.
Q: Can you provide valves with CE marking for the European market?
A: Yes. Our valves can be manufactured and tested to comply with the Pressure Equipment Directive (PED) for CE marking. We provide the necessary documentation, including the Declaration of Conformity. Specific requirements should be discussed during the quotation stage.
Q: What is your MOQ, and do you accept sample orders?
A: Our standard MOQ starts at 50 pieces. For new partners or specific OEM/ODM development, we often accept sample or trial orders with lower quantities. Contact us to discuss your specific needs.
Q: What materials do you recommend for a valve handling chlorinated water?
A: For chlorinated water applications, a stainless steel (CF8/CF8M) body and disc with an EPDM seat is a common and robust combination offering good corrosion resistance and media compatibility. A detailed application review is recommended.
Q: What is included in your standard warranty?
A: Our standard warranty covers defects in materials and workmanship for a defined period (typically 12 months) from shipment under normal use and service conditions. It includes the repair or replacement of faulty components.
Article by James Foster
Senior Technical Advisor & Procurement Consultant
5 inch butterfly valve 2 inch butterfly valve 6 butterfly valve
With over 15 years in the global industrial valve and fluid control sector, James specializes in connecting international buyers with qualified manufacturing partners in Asia. He focuses on technical compliance, supply chain optimization, and risk mitigation for large-scale procurement projects.
