| Valve Type ID | c9f50c29-20ed-463d-aeb1-9f454d20ac8f |
|---|---|
| Size Range | DN400-DN3200 |
| Pressure Rating | PN4.0-PN16.0 |
| Temperature Range | 20°C to 200°C |
| Body Material | ceramic |
| Trim Material | PTFE |
| Seal Material | FKM |
| Stem Material | duplex steel |
| End Connection | welded |
| Standard | ISO |
| Operation Method | electro-hydraulic |
| Flow Coefficient (Cv) | 1424.75 |
| Leak Rate | micro leakage |
| Applicable Media | slurry |
| Applications | slurry |
| Industry Tags | petrochemical |
| Test Pressure | 65 |
| Design Pressure | 16 |
| Design Standard | ISO |
| Design Temperature | 200 |
| Body Material Grade | CF8 |
| Weight (kg) | 1350 |
Diaphragm valves use a flexible diaphragm to isolate the flow path from the actuator, making them well suited to corrosive, abrasive, or high-purity (e.g., pharmaceutical, biotech) services. Selection considers diaphragm material (PTFE, EPDM, etc.), body lining, and weir vs. straight-through pattern.
Q: What is a diaphragm valve used for?
A: Diaphragm valves are used for corrosive, abrasive, or hygienic services where the process fluid must not contact the actuator mechanism.
Q: What diaphragm materials are common?
A: Common diaphragm materials include PTFE, EPDM, and butyl, selected for chemical compatibility with the process fluid.
Guidance reflects general engineering practice for diaphragm valves; confirm against the project specification and applicable standards before procurement.
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