Nitrile Spares Kit, 114N-638-554, includes 1) 113N-0 Diaphragm, 1) 160-G-107 Check Valve, 1) 160-G-108 Check Valve and(2) 160-A-1200 Sealing Washers, the replacement elastomer part for an Edson models 554 and 638 bottom inlet one gallon per stroke manual pumps.
Nitrile is an elastomer with very good dynamic strength and is highly resistant to the effects of oils and general waste products.
EPDM Spares Kit, 114E-638-554, includes 1) 113E-0 Diaphragm, 1) 160-G-107 Check Valves, 1) 160-G-108 Check Valve and 2) 160-A-1200 Sealing Washers, the replacement elastomer part for an Edson models 554 and 638 bottom inlet one gallon per stroke manual pumps.
EPDM (Ethylene Propylene Diene Monomer) elastomer with outstanding dynamic strength and is designed to resist the effects of ozone, sunlight, oils and acid.
Viton Spares Kit, 114V-638-554, includes 1) 113V-0 Diaphragm, 1) 160-G-107V Check Valves, 1) 160-G-108V Check Valve and 2) 160-A-1200 Sealing Washers, the replacement elastomer part for an Edson models 554 and 638 bottom inlet one gallon per stroke 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
| Elastomer | Best Used For* |
| Nitrile | Foodstuffs |
| Fuels/Oils | |
| Wastewater | |
| Alcohols | |
| EPDM | Organic Acids |
| Alcohols | |
| Alkalis | |
| Inorganic Chemicals | |
| Organic Chemicals | |
| Bleach/Soap/Detergent | |
| High UV Resistance | |
| Viton | Inorganic Acids |
| Fuel/Oils | |
| Inorganic Chemicals | |
| Harsh Weather Conditions (Heat/Sunlight) | |
| *Please consult a chemical compatibility database for material-specific questions. | |
