Dayton Diaphragm: Santoprene, 0.5 in_0.375 in For Pump Size, 0°F to 180°F
SKU 3G-OTH-85911
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Frequently Asked Questions
What is the DAYTON 771972 diaphragm used for?
The DAYTON 771972 Santoprene diaphragm is a replacement part for industrial pumps, handling fluids from 0°F to 180°F. It fits pump sizes 0.5 in to 0.375 in, making it suitable for transfer, metering, and process applications across machining, chemical, and material handling systems.
What are the specifications of the DAYTON 771972 diaphragm?
The DAYTON 771972 diaphragm is made of Santoprene, rated for 0°F to 180°F, and fits pump sizes 0.5 in to 0.375 in. The manufacturer part number is 771972. It is a replacement diaphragm designed for industrial pump systems requiring flexible, durable sealing.
Where to buy the DAYTON 771972 diaphragm worldwide?
3G Electric supplies the DAYTON 771972 Santoprene diaphragm worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this replacement pump diaphragm.
How to install the DAYTON 771972 diaphragm?
To install the DAYTON 771972 diaphragm, first depressurize and drain the pump. Remove the pump head and old diaphragm, clean the mating surfaces, then align the new Santoprene diaphragm with the pump shaft. Reassemble and torque fasteners to manufacturer specifications before testing.
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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.














