Dayton Diaphragm: Buna-N, 1 in For Pump Size, 0°F to 180°F
SKU 3G-OTH-85751
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Frequently Asked Questions
What is the DAYTON 771259 diaphragm used for?
The DAYTON 771259 is a Buna-N replacement diaphragm designed for industrial pumps. It is used to separate fluids from the pump mechanism, ensuring reliable operation in applications requiring a temperature range of 0°F to 180°F. This diaphragm is suitable for water, oil, and chemical transfer systems.
What are the specifications of the DAYTON 771259 diaphragm?
The DAYTON 771259 diaphragm has a 1-inch size for pump compatibility, is made of Buna-N material, and operates from 0°F to 180°F. The manufacturer part number is 771259. It is a replacement part for Dayton pumps, ensuring proper sealing and fluid handling in industrial environments.
Where to buy the DAYTON 771259 diaphragm worldwide?
You can source the DAYTON 771259 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 reliable sourcing for this replacement diaphragm.
How to install the DAYTON 771259 diaphragm?
To install the DAYTON 771259 diaphragm, first depressurize the pump and remove the pump head. Replace the old diaphragm with the new Buna-N unit, ensuring proper alignment with the pump shaft. Reassemble the head and tighten fasteners to manufacturer torque specs. Always follow pump-specific guidelines for safe operation.
Used in
Common applications for DaytonDayton Products
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.














