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BS EN 13397EN 12266-1EN 558-1
PFA or PP-lined diaphragm valves for highly corrosive fluids, acids, alkalis, chlorides and semiconductor process service. PTFE diaphragm with elastomer backup pad.
| Size Range | 15mm–250mm (½"–10") |
| Pressure Rating | PN 5–10 |
| Design Standard | BS EN 13397 |
| Testing | EN 12266-1 |
| Face to Face | DIN EN 558-1 |
| Flange Options | ASME, BS or DIN drilling |
| Category | Diaphragm |
Key Features
Engineered for Performance
- PFA / PP body lining
- PTFE diaphragm
- No process-fluid contact with the metal body
- Sealed bonnet with travel stop
- Field-replaceable diaphragm and bonnet
- Manual, electric or pneumatic actuation
Need custom specifications? Our engineering team can help you find the right solution.
Material Options
Typical Materials of Construction
| Body | ASTM A395 ductile iron, ASTM A216 WCB, ASTM A351 CF8 or CF8M |
| Body lining | PFA or polypropylene |
| Diaphragm | PTFE |
| Backup pad | Neoprene, EPDM, Butyl or Viton |
| Bonnet & bolting | Cast-iron bonnet with ASTM A193 B7 / A194 2H connecting hardware |
Final material selection depends on pressure, temperature, media and service conditions.
Applications
Common Service Areas
- Highly corrosive fluids
- Acids and alkalis
- Chlorides
- Semiconductor processes
- Chemical processing
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Our engineering team works with you to specify, design, and deliver the exact valve solution your application demands.