
VOC 4241CM-00
APPLICATION
The TECOFI resilient seat gate valve is intended for use in application such as: water supply and treatment, irrigation and sanitation
Fluids : water, waste water, sewage water, non-aggressive neutral liquids, etc.
GENERAL CHARACTERISTICS
-Range : from DN40 to DN400.
-Resilient seat gate valve for ON/OFF or control operation, with non-rising stem.
-PN10 and PN16 flange mounting (drilling of suitable flanges from DN200).
-Body and bonnet assembled by screws protected by a molded sealing gasket.
-Wedge in ductile iron covered with a thick layer of elastomer.
-Ribs on the wedge outer face to facilitate its guiding in the body.
-Upstream-downstream tightness : at the end of closing, the wedge is pressed onto the f lat bottom of the valve and thanks to its elasticity, perfectly matches its shape.
-Sealing of the upper part guarantees thanks to a system of O-rings placed next to each other and separated by small metal segments.
-Very economical use requiring no maintenance.
-Low pressure drop.
-Full bore at the end of opening.
-Without retention zone in the low part. Good corrosion resistance (epoxy coating inside and outside the body)
-Screws protected from external aggressions by wax plug.
-Change of stem seals possible under load.



































































































