Industrial and aseptic pharma-grade diaphragm valves by Saunders — the brand that invented the diaphragm valve in 1928. Trusted by pharma, biotech, food, chemical and mining industries worldwide.

Saunders invented the diaphragm valve in 1928. Millions in service worldwide for corrosive, abrasive and industrial applications with 100% leaktight closure.
| Size | 1/4" to 14" (DN8–DN350) |
| Body | CI / DI / CS / Bronze / SS 316 |
| Body Linings | PTFE / PFA / ETFE / PP / Glass / Rubber |
| Diaphragm | NBR / CR / NR / FKM / CSM / IIR / EPM / PTFE |
| Temperature | -40°C to +175°C |
| Pressure | Up to 16 bar (240 psi) |
| Operation | Manual / Pneumatic (EC, SSC, ECX, ES) |
| Brand | Saunders (Crane ChemPharma) |
Bio-pharma aseptic diaphragm valves in SS 316L with PTFE or EPDM diaphragms. FDA, USP Class VI, ASME BPE compliant for sterile applications.
| Size | 8 mm to 200 mm |
| Body | Forged SS 316L / Bio-Block |
| Diaphragm | PTFE / 3-Layer Steam / EPDM |
| Temperature | -10°C to +150°C (autoclavable) |
| Certifications | FDA 21 CFR / USP Class V/VI / ASME BPE |
| Operation | Manual / Pneumatic EC/SSC Actuators |
| Brand | Saunders (Crane ChemPharma) |

Send us your specifications and our technical team will respond with the right solution and pricing within 24 hours.