Armstrong International A9330 Diaphragm for Humid Models 91-94 - A9330
The Armstrong International A9330 Diaphragm is essential for maintaining the performance of humidifiers models 91, 92, 93, and 94. It ensures optimal functionality and long-lasting durability in your humidification system.
This diaphragm is specifically engineered to meet rigorous industry standards, providing reliable operation and compatibility with your existing equipment.
- Designed for precise fit and function in specified humidifier models.
- Manufactured from high-quality materials to withstand consistent use.
- Easy to install, ensuring minimal downtime during replacement.
Specifications
| Compatibility |
Models Humid 91, 92, 93, 94 |
| Material |
High-grade synthetic |
| Item Weight |
2 pounds |
What our Experts Think
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OEM Compatibility: Designed specifically for Armstrong steam humidifiers Models 91–94, ensuring precise fit and reliable operation.
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Critical Function: Controls steam flow and pressure within the humidifier, preventing leaks and maintaining consistent humidity output.
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Durable Construction: Built to withstand the pressures and conditions typical of Armstrong 9000-series humidifiers.
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Easy Maintenance: Replacing the diaphragm restores proper operation without needing a full humidifier replacement, saving cost and downtime.
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Maintenance-Recommended: Frequently replaced during routine service to ensure long-term system reliability.
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Readily Available: Common replacement part stocked by HVAC suppliers for quick repair.
Q&A
Q: What is the Armstrong A9330?
A: A replacement diaphragm for Armstrong 9000-series steam humidifiers, specifically models 91, 92, 93, and 94.
Q: What function does this diaphragm serve?
A: It regulates the valve/control in the humidifier, ensuring proper steam modulation and flow.
Q: Is this an OEM part?
A: Yes, it is a genuine Armstrong replacement manufactured to OEM specifications.
Q: Why would I need to replace this diaphragm?
A: Over time, the diaphragm can wear or weaken, leading to poor valve control, leaks, or reduced humidifier performance.
Q: Is there a maintenance or installation guide for this part?
A: Yes, Armstrong provides instructions for servicing and replacing internal components in the humidifier.
Maintenance Tips
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Inspect the diaphragm regularly for signs of wear, cracking, or hardening.
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Depressurize and isolate the steam circuit before removing the valve for service.
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Clean the valve seat and surrounding area to ensure a proper seal with the new diaphragm.
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Install the diaphragm correctly, ensuring any retaining washers or springs are oriented per manufacturer specifications.
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Adjust the pneumatic operator or valve mechanism so it opens and closes smoothly without leaks.
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Drain steam traps and clean strainers during maintenance to reduce fouling and pressure surges.
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Record replacement dates and adjustments in a maintenance log to track diaphragm life.
