Open End Rotor
8 vanes are standard for this rotor, but it is also available in 6, 10 and 12 vanes.
EXPLORE IN THE 3D VIEWERInformation:
- Standard rotor configuration for most applications
- Number of Vanes: 6, 8, 10, 12
Materials of construction:
- mild steel
- stainless steel
- AR 400
May 30, 2017 by Greg Thompson
The ultimate guide to valve rotor types
Give your material some TLC and keep your rotors lasting long. Here's a guide on which rotor works best for your application.
Apr 22, 2022 by Megan Thompson
What is an NFPA compliant valve?
Find out if your rotary airlock valve is configured for optimal safety and NFPA compliance
Mar 13, 2024 by Brittany Dollimore
How to choose a rotor for your valve’s application
Does your rotary airlock valve need a standard rotor or something more specific? Find out which rotor type you should choose based on your dry bulk material.
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Quiz: What makes a rotary valve tick?
Can you name the key components of a rotary airlock valve? What about their functions? Our quiz will test your knowledge (and explain anything you might miss).
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Is my rotary valve NFPA compliant?
Learn the requirements for an NFPA compliant rotary airlock valve and find out why compliance is so important.
Apr 07, 2025 by Brittany Dollimore
Why keep spare valve parts on the shelf?
Stock extra rotary airlock valve parts on the shelf to reduce downtime, protect other important components, and keep your facility safe.
Aug 14, 2025 by Paul Bowman
Quiz: Do you know these valve spare parts?
What are the most critical parts of a rotary airlock valve, when do you need to replace them, and why? Test your knowledge with this quiz.
Aug 14, 2025 by Megan Thompson
My facility handles grain-based pet foods. Are there any rotary valves or features designed to mitigate the risk of dust explosions?
According to NFPA rules, a compliant rotary valve has metal tips on the rotor assembly, outboard bearings, and rotors with eight vanes or more.
Aug 18, 2025 by Megan Thompson
3 critical valve parts for NFPA compliance
Get to know the anatomy of an NFPA compliant rotary airlock valve and the parts required to keep your facility safe.