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FUNCTION
Shut off any drinking and untreated water circulation.
FULL BORE
. No air-lock zone in the lower part of the casing.
. Little duct loss only.
. No acccumulation of foreign matter under the wedge.
WATERTIGHTNESS
. Complete when the valve is closed: elastomeric section of the wedge is compressed.
. A seal, removable under pressure, ensures external
wate tightness and prevents ingress of foreign matters. |
ANTICORROSION
PROTECTION
. Casing and cover in ductile graphite iron with inner and outer coating in oven-polymerized epoxy powder:
minimum thickness 150 µm.
. Casing and cover fixing screw heads are recessed and plastic coated for protection.
. Moulded elastomeric wedge.
. Stainless steel valve screw.
. Interchangeable brass activating nut.
. Bronze screw bearing.
ACTUATION
. Low actuating torque. |
