The R-K TDD series diaphragm divertor air valve features a compact plastic valve especially designed for DI water and other high putiry applications. This valve is also known as an air operated 3 way valve.
No metal and elastomer contact with fluid
Virgin Teflon diaphragms and seals.
Equal flow on both ports (N/O and N/C)
Can handle high back pressure.
Low operating air pressure.
This direct acting full flow valve features top entry for easy in-line maintenance and minimum water hammer. It is also suitable for pollution control, wet processing stations, plating equipment and water treatment.
Available in two styles:
Type 1: Air to open, spring to close
Type 2: Air to open, air to close
Upstream Pressure Vacuum to 150 PSIG
Back Pressure Vacuum to 80 PSIG
Air actuating pressure 25 to 80 PSIG
Material ValveBody PVC Type 1, Grade 1
Polypropylene
PVDF
Teflon
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 1/2" to 1" Valve FNPT
All valves are fully ported
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.