Non-Return Valves

Non Return Valve
The Guth non-return valve has been designed
to prevent reverse flow of fluids in pipe systems
in all process applications.
The design of the seal chamber is similar to
the sealing principle of the aseptic standard
DIN 11864 (see explanation on next page).
Thus, the risk of getting product behind the
seal is minimized. Thanks to the hygienic design
of the seal and the special inner surface design
the valve can be cleaned easily and effectively.
This makes the valve particularly suitable for
all process applications with higher hygienic
requirements like in the food & beverages or
the pharmaceutical industry.
The Guth non-return valve is available in
AISI 304 (1.4301) and AISI 316L (1.4404)
stainless steel.
Non return valves

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