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BR/EPDM Resilient seated gate valve with cap. |
Our resilient seated gate valves serve to stop or give complete passage to a fluid, they open and close the circuit using a rubberized wedge that gradually closes vertically until it conforms to the inside of the valve body. They are bidirectional and integral passage so they offer minimal load loss.
They are full bore and are installed in pipelines as isolation valves. Do not use them as control or regulation valves. To close we will make a rotating movement of the steering wheel clockwise and counterclockwise to open. As these are internal spindle valves, operation is carried out by means of a threaded spindle that does not go up or down, it only rotates and moves a rubberized wedge up or down along with a spindle nut that is housed in its upper part.
They are used when a small head loss and total pitch are needed. When it is completely open, it does not usually present an obstruction to the passage of the fluid, which gives a low pressure loss.
As they are completely open, the design allows the use of devices to clean the inside of the pipes. The manually operated valve, since its operation is slow, will also avoid the effects of water hammer.
They have the inside of the body with a flat bottom that allows the free passage of impurities through the valve, this does not occur in metal closing gates. The rubberized closing wedge traps and absorbs impurities as the valve closes, and removes them when the valve opens, returning the rubber wedge to its original shape. This ensures a tight airtight seal.
