Non Return Valve series RF 8686TK


Technical data
Sandwich construction for installation between flanges PN 10 / PS 4 - Ps 10. Backflow is reliably prevented due to the spring.

Body PTFE-carbon
Back-up ring 1.4301
Valve plate PTFE-carbon
Spring holder PTFE-carbon
Spring 1.4571 FEP-coated
Valve seat PTFE-carbon
Special materials upon request

Sizes DN 15 - DN 125
Pressure stages DN 15 - DN 100: PN 6 - PN 40, DN 125 - DN 150: PN 10/16
Working temperature -50 °C to +400 °C
Face-toface dimension DIN EN 558-1 line 49 (DIN 3202/K4)
Test DIN EN 12266-1

Product advantages
Low weight
Low noise  
Low pressure loss due to optimised opening cross section
Any mounting position possible
High reliability
Long service life

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