PRODUCTS > Butterfly valve > Fire signal butterfly valve

                  Fire signal butterfly valve

                  Product model: XD371X
                  Nominal pressure: 1.0/1.6/2.5Mpa
                  Nominal diameter: DN50-400mm
                  Operating temperature: -10℃-80℃
                  Applicable medium: water, oil and gas

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                  [Essential information]

                         Special fire signal butterfly valve is the introduction of foreign advanced technology and middle type butterfly valve developed by BWSX, in line with the advantages of simple structure, reliable sealing, easy opening, long service life and convenient maintenance of special fire signal valve clip. It is widely used in water supply and drainage, building, fire fighting systems, all kinds of pipes, especially in fire lines.


                  [Valve structure drawing]


                  Main parts of fire signal butterfly valve:

                  No.
                  Part name
                  Material
                  No.
                  Part name
                  Material
                  1
                  valve body
                  Ductile iron, cast steel
                  7
                  Seal ring
                  NBR.EPDM
                  2
                  Valve shaft
                  SUS410/SUS316
                  8
                  Circular gasket
                  SUS316/brass
                  3
                  Disc
                  Ductile iron, stainless steel
                  9
                  Ring opening
                  SUS316/brass
                  4
                  valve seat
                  EPDM,PTEE
                  10
                  Ring
                  Spring steel
                  6
                  bushing
                  Bronze, PTFE




                  [Standard parameter]

                  Design standardGB/T12238-2008
                  Structural lengthGB/T12221-2005
                  Connection standardJB/T 79.1-1994
                  Pressure testGB/T13927-2008


                  [Adaptive condition]
                         Now widely used in petroleum, chemical industry, gas equipment, nuclear power equipment, water treatment, air conditioning, iron and steel metallurgy, industrial furnace, canned equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio pharmaceutical, food machinery, textile, papermaking and other industries, is the preferred product construction the construction of national defense science and technology.


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