Patent ID: 8925580
Filing Date: 2015-01-06
Classification: F16K,Y10T

Abstract:
1. A valve arrangement for a blind flange valve, the blind flange valve including two discs that are adapted to seal in an upstream direction and a downstream direction, respectively, and the two discs can be pulled into a closed chamber for full flow through the blind flange valve, said valve arrangement comprising: an actuatable first valve, a base of a blind flange valve being in fluid communication with an inlet of the actuateable first valve; an actuatable second valve, an outlet of the actuateable first valve being in fluid communication with an inlet of the actuatable second valve; and a fluid chamber in fluid communication with the outlet of the actuatable first valve and the inlet of the actuatable second valve, wherein the outlet of the actuatable second valve can be drained out, and the actuateable first and second valves can be actuated by a signal or signals from at least one sensor.