Cole-Parmer Datasheets for Diaphragm Valves

Diaphragm valves close by means of a flexible diaphragm attached to a compressor.
Diaphragm Valves: Learn more

Product Name Notes
• Designed for use in corrosive environments • Multi-turn handle gives you precise control • Position indicator shows exact location of valve • Self draining allows for little dead volume...
• Fluids are hermetically sealed from operating system • Zero dead volume • Autoclavable Choose from EPDM or PTFE wetted materials and sanitary or weld end connections. These compact, manually-operated...
• Fully drainable and easy to maintain! • Eliminate leaks—ideal for food or pharmaceutical processing • Compatible with Tri-Clamp<reg> connections for easy maintenance, change out, and orientation—no cutting or welding...
• Optimized valve body provides double the C<sub>V</sub> values • Two-color positition indicator on handwheel • Elimination of bolts removes corrosive weak points • Mount vertically or horizontally • PVC...
PFA Cv factor is 0.95 from port 1 to port 3; 0.90 from ports 1 or 3 to port 2.
PFA
Solenoid Electric Valves (actuated)