Understanding 4 flanged check valve dimensions is critical for purchasing managers, technical directors, and operations managers who demand accuracy, durability, and seamless integration in industrial piping systems. At Ningjin Thriveon Valve Co., Ltd., we provide quality-assured, OEM/ODM flanged check valves with comprehensive dimension data to support your procurement decisions and ensure operational efficiency.
These pain points can significantly affect your plant's safety, efficiency, and budget. Knowing exact 4 flanged check valve dimensions helps you mitigate risks and improve procurement accuracy.
Request Detailed Dimension Guide →At Ningjin Thriveon Valve, our 4 flanged check valves are engineered with precision to meet international standards (ANSI B16.5, API 6D), ensuring seamless fit and superior performance. Key advantages include:
| Nominal Diameter (DN) | Flange Outer Diameter (mm) | Bolt Circle Diameter (mm) | Number of Bolt Holes | Face-to-Face Length (mm) | Pressure Class |
|---|---|---|---|---|---|
| 50 | 165 | 125 | 4 | 140 | 150# |
| 100 | 220 | 180 | 8 | 200 | 150# |
| 150 | 285 | 240 | 8 | 250 | 150# |
| 200 | 340 | 295 | 12 | 300 | 150# |
| 300 | 405 | 355 | 12 | 400 | 150# |
"Ningjin Thriveon's 4 flanged check valves met our stringent dimensional requirements, reducing installation errors by 35%. Their quick delivery and responsive service have been invaluable for our ongoing projects." – John M., Procurement Manager, Global Pipeline Services
Standard dimensions conform to ANSI B16.5 flange specifications, with nominal diameters ranging from DN50 to DN600, flange outer diameters from 165 mm to 405 mm, and face-to-face lengths between 140 mm to 400 mm depending on pressure class.
Yes, we offer OEM/ODM services allowing customization of flange drilling patterns, thickness, and overall valve dimensions to fit unique project requirements.
For standard dimension valves, our lead time is approximately 15 days. Customized orders may require 20-30 days depending on complexity.
Our valves carry ISO 9001 certification and comply with CE and RoHS standards. Materials are FDA-compliant where applicable.
We offer technical consultation, installation guidance, and a 12-month warranty on all flanged check valves. Our engineers are available for prompt support via email, phone, and WhatsApp.
Ensure your projects stay on schedule with Ningjin Thriveon’s certified 4 flanged check valves. Benefit from free samples and risk-free money-back guarantees for first-time buyers.

Emily R., Operations Manager, AquaPure Solutions
"The dimensional accuracy and build quality of Thriveon's flanged check valves have improved our plant uptime by 22%. Highly recommend for demanding applications."
Mark T., Technical Director, SteelTech Manufacturing
"Their OEM customization enabled us to streamline assembly processes. Thriveon’s valve dimensions perfectly matched our specs, saving labor hours."
Sara L., Supply Chain Manager, EcoChem Industries
"Fast delivery and detailed dimension data made ordering simple. Thriveon’s quality check valves met all regulatory standards for our chemical plants."
Michael Chen, Senior Valve Engineer at Ningjin Thriveon Valve Co., Ltd.
With over 15 years of experience in valve design and international trade, Michael specializes in industrial valve dimension standardization and global supply chain optimization. He leads technical consultations and product development to meet diverse client needs worldwide.
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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