Diaphragm Valves - Diaphragm Materials
Common diaphragm materials and their main properties when used in diaphragm valves.
Sponsored Links
| Material | Size | Temperature | Applications | ||
|---|---|---|---|---|---|
| inches | mm | oF | oC | ||
| Butyl rubber | 0.6 - 14 | 15 - 350 | - 22 to 134 | - 30 to 90 | Acids and alkalies |
| Nitril rubber | 0.6 - 14 | 15 - 350 | 14 to 134 | -10 to 90 | Oils, fats and fuels |
| Neoprene | 0.6 - 14 | 15 - 350 | - 4 to 134 | - 20 to 90 | Oils, greases, air and radioactive fluids |
| Natural/synthetic rubber | 0.6 - 14 | 15 - 350 | - 40 to 134 | - 40 to 90 | Abrasives, brewing and dilute mineral acids |
| White natural rubber | 0.6 - 5 | 15 - 125 | - 31 to 134 | - 35 to 90 | Foods and pharmaceuticals |
| White butyl | 0.6 - 6 | 15 - 150 | - 22 to 212 | - 30 to 100 | Natural color, food, plastics and pharmaceuticals |
| Viton | 0.6 - 14 | 15 - 350 | 41 to 284 | 5 to 140 | Hydrocarbon acids, sulphture and chlorine applications |
| Hypalon | 0.6 - 14 | 15 - 350 | 32 to 134 | 0 to 90 | Acid and ozone resistant |
| Butyl rubber | 0.6 - 14 | 15 - 350 | - 4 to 248 | - 20 to 120 | Hot water and intermittent steam services, sugar refining |
Sponsored Links
Related Topics
-
Piping Systems
Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
Related Documents
-
Straight Through Diaphragm Valves - Flow Coefficients
Flow coefficients - Cv - and flow factors - Kv - for straight through diaphragm valves. -
Valve Selection Guide
Applications guide for selecting valves. -
Valves - Specific Services
In case of a specific service - the choose of a valve may be simplified by following an established practice. -
Weir Diaphragm Valves - Flow Coefficients and Flow Factors
Typical flow coefficients - Cv - and flow factors - Kv - for weir diaphragm valves.
