Diaphragm - Viton - Size 18 (113V-18)

Made of Viton® this is a replacement diaphragm for Edson Models 220 Power Pumps and Models 217, 254,256 and 258 Manual Pumps. 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.)  

 Replacement Diaphragms & Valve Assemblies - Data Sheet