Working principle of Besa full opening safety valve 249 in Italy

Working principle of Besa full opening safety valve 249 in Italy

BESA's main product lines:

139 threaded connection safety valve

240F threaded connection safety valve

249 threaded connection safety valve

130 flange connected safety valve

240 flange connected safety valve

250 flange connected safety valve

260 flange connected safety valve

280 flange connected safety valve

290 flange connected safety valve

Working principle of Besa full opening safety valve 249 in Italy

Italian BESA safety valve, 8) Open safety valve，，When the safety valve is opened for discharge，The medium is not introduced into the pipeline or container ，And it is directly discharged into the atmosphere from above the valve disc .This type of safety valve is suitable for non polluting environments Dyeing medium.

9) Pilot operated safety valve .The pilot operated safety valve consists of a main valve andComposed of a pilot valve .The main valve is The real safety valve ，The function of the pilot valve is to sense the pressure in the pressure system and open and close the main valve .The main valve includes a valve body And a closing component and a driving mechanism .The drive mechanism can be integrated with the valve body ，It can also be placed outside the valve body .The main valve is still functional Composed of a direct acting safety valve and a driving mechanism .Pilot operated safety valves can also be designed to operate normally As a control valve under certain conditions ，And used as a safety valve under abnormal operating conditions ，

Furthermore ，From the external structure of the safety valve, it can also be divided into safety valves with and without wrenches 、With and without heat sinks safety valve 、There are several types of safety valves, including corrugated pipes and non corrugated pipes .Safety valve with wrench in emergency situations ，Can be manually released press； The safety valve with heat sink is suitable for medium temperature in 300℃ The above occasions； There are corrugated pipesThe safety valve is suitable for corrosive environments In situations where the medium or back pressure fluctuates greatly.