Dayton Diaphragm: Buna-N, 3 in For Pump Size, 0°F to 180°F
SKU 3G-OTH-85880
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the DAYTON 771704 diaphragm used for?
The DAYTON 771704 is a replacement diaphragm for industrial pumps. It is made of Buna-N material, rated for 0°F to 180°F, and sized 3 inches. Common applications include fluid handling, chemical transfer, and water treatment systems where a reliable seal is required.
What are the specifications of the DAYTON 771704 diaphragm?
The DAYTON 771704 diaphragm has a Buna-N construction, 3-inch size for pump compatibility, and a temperature range of 0°F to 180°F. The manufacturer part number is 771704. It is designed as a direct replacement for Dayton pump models requiring this specific diaphragm.
Where to buy the DAYTON 771704 diaphragm worldwide?
3G Electric supplies the DAYTON 771704 diaphragm worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this Dayton replacement part globally.
How to install the DAYTON 771704 diaphragm?
To install the DAYTON 771704 diaphragm, first depressurize and drain the pump. Remove the pump housing, replace the old diaphragm with the new Buna-N unit, ensuring proper alignment. Reassemble the housing and torque fasteners to manufacturer specifications. Test for leaks before returning to service.
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.















