Discover detailed 8 inch butterfly valve dimensions tailored for your industrial needs. At Ningjin Thriveon Valve Co., Ltd., we deliver precise valve sizing backed by quality assurance, OEM/ODM customization, and high-speed delivery. Whether you manage procurement or oversee operations, accurate valve dimensions ensure optimal fit, performance, and ROI. Get your free quote in 24h to streamline your supply chain now.
These pain points disrupt your operations, affecting ROI and supplier trust. Learn how our 8 inch butterfly valve dimensions solve these issues next.
Download our detailed 8 inch butterfly valve dimension brochure now.
| Dimension | Value (mm) | Description |
|---|---|---|
| Nominal Diameter (DN) | 200 | Standard nominal pipe size for 8 inch valve |
| Face-to-Face Length | 54 | Distance between valve flanges according to API 609 |
| Flange Diameter | 280 | Outer diameter of valve flange compatible with ANSI B16.5 Class 150 |
| Number of Bolt Holes | 8 | Standard bolt hole count for flange connection |
| Bolt Hole Diameter | 22 | Diameter of each bolt hole |
| Disc Diameter | 210 | Diameter of the butterfly valve disc |
| Shaft Diameter | 30 | Diameter of the valve stem/shaft |
Contact us to discuss your specific dimension and application needs.
"Switching to Ningjin Thriveon’s 8 inch butterfly valves cut our maintenance downtime by 37%, thanks to exact dimension matching and superior build quality." – Michael R., Operations Manager, US Water Corp.
"Their OEM customization ensured our pipeline upgrades fit seamlessly, saving us thousands in retrofit costs." – Sarah L., Technical Director, Gulf Petrochemicals
Our products comply fully with CE, ISO 9001, RoHS, and API standards, guaranteeing quality and regulatory adherence globally.
Standard dimensions follow ANSI B16.5 flange specifications, with a nominal diameter (DN) of 200mm, flange diameter approximately 280mm, face-to-face length about 54mm, and 8 bolt holes of 22mm diameter. Custom sizes are available upon request.
Yes, Ningjin Thriveon offers full OEM/ODM customization including dimension modifications to fit your project specifications, supported by our experienced engineering team.
Standard valves are available for shipment within 15-20 working days. Customized orders may require 25-30 working days, depending on dimension complexity.
We accept T/T (wire transfer), L/C at sight, and PayPal for smaller orders. Our sales team can provide detailed invoicing and payment terms tailored to your needs.
We provide technical support including dimension verification, installation guidance, and replacement parts. Our team responds within 24 hours to resolve any dimension-related concerns.

Don’t let dimension mismatches delay your project or increase costs. Take advantage of our limited-time offer: free sample available for qualified buyers and money-back guarantee on dimension accuracy.
Or contact us via email or WhatsApp for immediate assistance.
David H., Supply Chain Manager, California
"The precision of the 8 inch butterfly valve dimensions from Thriveon saved us significant rework time on our pipeline installation."
Linda K., Technical Director, Texas
"Their detailed technical specs and fast response helped us finalize our valve selection confidently and within budget."
Mark S., Operations Manager, Florida
"Ningjin Thriveon’s dimension accuracy and quality assurance made them our go-to supplier for butterfly valves."
John M. Thompson
John is a Senior Technical Engineer at Ningjin Thriveon Valve Co., Ltd., with over 15 years of experience in valve design and international industrial supply. His expertise lies in developing custom valve solutions and ensuring compliance with global dimension standards to optimize performance and client ROI.
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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