SERVICE
Frequently Asked Questions
Technical Issue
What are the differences in application between Anchor/Frame and Helical Ribbon/Screw Agitators? Which is better for high-viscosity pastes?
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Technical Issue
How to choose between Gland Packing and Mechanical Seals? What are their respective temperature and pressure limits?
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Technical Issue
Is a running test mandatory after equipment assembly? What items are tested?
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Technical Issue
What is the pressure and temperature range for MTC Magnetic Drive Agitators? Why are they suitable for high leak-tightness requirements?
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Technical Issue
Are there requirements for shaft radial runout at the seal area? What are the consequences of exceeding limits?
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Technical Issue
What are the straightness requirements for agitator shafts? Do higher speeds demand tighter tolerances?
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Technical Issue
Should agitator shafts be solid or hollow? Do hollow shaft ends require seal welding?
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Technical Issue
Does the JC Type (Grid-Channel Steel) intermediate bearing have higher load capacity than the SL Type (Three-Tie-Rod)?
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Technical Issue
What are the advantages of "Double" Mechanical Seals over "Single" Seals? When are double seals mandatory?
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After-sales

The GREATWALL MIXERS After-Sales Support Team brings together experienced mixing technology specialists and senior engineers with deep technical expertise and extensive hands-on experience. We provide end-to-end service solutions to support your operations—from equipment installation and commissioning to ongoing maintenance and spare parts support.


Tailored to your specific operating requirements, we offer guidance for installation and commissioning, along with practical training for operators and maintenance personnel.


For critical wear components such as mechanical seals and bearings, GREATWALL MIXERS maintains dedicated supply channels to ensure fast parts availability—helping minimize downtime and keep your mixing processes running smoothly.

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