CHECK BALL VALVE (КОШ).
CHECK BALL VALVE (КОШ).
The КОШ 2 type ball valve is used for preventing the ejection or reverse movement of cement mortar. In addition, the use of a check valve helps to partially flushing out of well and clean annular space.
Standard sizes of valves that are manufactured: КОШ2.89, КОШ2.102, КОШ2.114, КОШ2.127.