Description
The Fisher 2E791902202 is an OEM replacement diaphragm designed for use in Fisher size 30 actuators. Constructed from a durable NBR (Nitrile Butadiene Rubber) and Nylon composite, this diaphragm provides excellent resistance to oils, fuels, and a wide range of process fluids commonly encountered in HVAC and industrial control valve applications. It directly replaces Fisher part number 17E44, ensuring a precise, drop-in fit with no modifications required.
Key Features
- OEM Fisher replacement diaphragm — exact fit for size 30 actuators
- NBR/Nylon (Nitrile Butadiene Rubber / Nylon) composite construction
- Excellent resistance to oils, fuels, and common process media
- Direct replacement for Fisher part number 17E44
- Restores proper actuator sealing and performance
- Designed for reliable, long-service-life operation
Product Specifications
- Brand: Fisher
- SKU / Part Number: 2E791902202
- Cross-Reference Part Number: 17E44
- Diaphragm Size: 30
- Material: NBR/Nylon Composite
Application
This diaphragm is a critical wear component in Fisher pneumatic actuators used to control valve positioning in HVAC, building automation, and process control systems. Regular inspection and timely replacement of the diaphragm helps maintain actuator integrity, prevent leakage, and ensure consistent valve performance. Always verify actuator model compatibility before installation.
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