This Spares Kit includes (2) 25273 Viton® Diaphragms, (4) 160-G-302V Flapper Valve Assemblies. The replacement elastomer parts are for the Edson Double Diaphragm Pump 2500 Series, 25000 Series and the 25200 Series.
Viton® is a DuPont fluoroelastomer with good dynamic strength and excellent heat resistance (400°F/200°C). It is formulated to resist the effects of aromatic hydrocarbons and a variety of very aggressive fuels and chemicals. (Viton® is a registered trademark of E. I. DuPont.)
160-G-302 - Double Diaphragm Pump | Flapper Valve Part Breakdown - Data Sheet
2500, 25000, 25020, 25060 Spares Kit - How to replace Diaphragms & Valve Assemblies
25200, 25220-25260 Spares Kit - How to replace Diaphragms & Valve Assemblies