The R-K UPA series ultra pure diaphragm air valve features a compact modled thermoplastic valve especiallly designed to be used in critical high purity applications.
Self-draining to prevent contamination and bacterial growth.
Teflon diaphragm standard in all valves.
Can handle high back pressure.
Low actuating air pressure.
No Metal or elastomer contact with the fluid.
Direct acting full flow and top entry for easy maintenance and minimum water hammer.
Available in Flare, Butt Fusion, or FNPT ends.
Ideal for DI water, bio-medical, pharmaceutical and other ultra-pure applications.
Type 1: air to open/spring to close
Type 2: air to open/air to open
Operating Pressure Range Vacuum to 150 PSIG
Air actuating pressure 25 to 80 PSIG
Material ValveBody Polypropylene
PVDF
PFA
Diaphragm Teflon
Temperature Range 0 F to 140 for PVC
0 F to 180 F for POLYPRO
0 F to 280 F for PVDF
0 F to 340 F for TEFLON
Valve ports Flare ends (PVDF & PFA)
Butt Fusion (PVDF & PFA)
FNPT (Polypropylene only)
All valves are fully ported
Mounting Method (2) 3/16" self tapping holes
Kalrez® and Viton® are registered trademarks of DuPont Dow Elastomers.
Order
Information
The chart below will specify R-K standard
valves regarding valve size, valve material, and seal material.
For special orders, please consult the factory for pricing
and delivery information.
