Yoke gate valve with gear drive - S 30 112(3)-502 PN 2,5

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

Shut-off valve for water, saturated and
superheated steam, non-aggressive liquids,
crude oil and oil products with temperatures
from -20° to 300°C. The gate valve is not
suitable for flow regulation. For service
pressures and temperatures:

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. The gate valve has a 1:3 spur gear drive. Stem is sealed with gland packing in bonnet. Gate valve for DN 200 and 250 and working overpressure higher than 1,00 Mpa can be provided with a bypass. 

Connecting and face-to-face dimensions Flange connection dimensions as per ČSN 131060, 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 DIN 3230.

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 used for transport of impure
media it is recommended to install the gate
valve with stem vertical and actuation

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