Dayton Diaphragm: Buna-N, 0.75 in For Pump Size, 0°F to 180°F
SKU 3G-OTH-85717
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Frequently Asked Questions
What is the DAYTON 771255 diaphragm used for?
The DAYTON 771255 is a replacement diaphragm for industrial pumps. It is designed for applications requiring a Buna-N material, handling fluid temperatures from 0°F to 180°F. Common uses include water treatment, chemical processing, and general fluid transfer where a reliable seal is needed.
What are the specifications of the DAYTON 771255 diaphragm?
The DAYTON 771255 diaphragm has a 0.75 inch size for pump compatibility, is made of Buna-N material, and operates in a temperature range of 0°F to 180°F. The manufacturer part number is 771255. It is a replacement part designed for specific pump models.
Where to buy the DAYTON 771255 diaphragm worldwide?
You can source the DAYTON 771255 diaphragm through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing.
How to install the DAYTON 771255 diaphragm?
To install the DAYTON 771255 diaphragm, first ensure the pump is depressurized and disconnected from power. Remove the pump head, replace the old diaphragm with the new Buna-N unit, and reassemble. Torque fasteners to manufacturer specifications. Always consult the pump manual for exact procedures.
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3G Electric supplies Dayton dayton replacement diaphragms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














