Yoke gate valve with machined wedge guide
S 30 111(3)-516 PN 16

The gate valve can be operated by handwheel, chainwheel, electric
servomotor or from a stand.

Shut-off valve for water and other non-
aggressive liquids, steam and gases, for
service pressures and temperatures:

The gate valve is not suitable for flow regulation

Technical description
The yoke gate valve has a rising non-rotating
stem with its thread outside the valve
chamber. The stem nut is turned to raise or
lower the stem and solid wedge. Body and
wedge have stainless steel welded sealing
surfaces. Seats are screwed into the body.
Stem is sealed with gland packing in a bonnet.
Wedge guides are machined.

Connecting and face-to-face dimensions
Face-to-face dimension as per ČSN EN 558-1,
line 5, DIN 3202 F5.
Flange connection dimensions as per 13 1060,
DIN 2501 and 13 1061, DIN 2526. Basic
face-to-face and connecting dimensions are
shown in the table.

Body, bonnet, wedge carbon steel (42 2643.1)
Stem stainless steel (13 Cr)
Sealing surfaces weld deposit 13Cr
Gland packing asbestos-free graphite

The gate valve is tested per ČSN 13 3060,
pat 2, DIN 3230-3.

The gate valve can be installed in horizontal
or vertical piping. For electrically actuated
valves, the axis of electric motor must remain
horizontal. If the servomotor is installed with
vertical axis upwards, amount of oil fill must
be increased. If the valve is installed
horizontally, the actuator must be supported.

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