Påføringsmedium og arbeidsforhold for sommerfuglventil

2021-05-27

Sommerfuglventilbrukes hovedsakelig for flytende, gass lavtrykk rørledning med stor diameter. Det er egnet for anledninger der trykktapskravet ikke er høyt, strømningsreguleringen er nødvendig, og kravene til åpning og lukking er raske; Generelt er temperaturen under 300 â „ƒ og trykket er under 40 kg). Mediet brukes vanligvis til vann og gass, og mediumbehovet er ikke høyt. Granulært medium kan også brukes.

1) Media somsommerfuglventilkan transportere og kontrollere er vann, kondensat, sirkulerende vann, kloakk, sjøvann, luft, gass, flytende naturgass, tørt pulver, oppslemming, fruktoppslemming og blanding med suspenderte faste stoffer.
2) Vanligvis kreves regulering av kontroll- og gjørmemedium i struping, kort strukturlengde og rask åpnings- og lukehastighet (1/4 omdreining). Lavtrykksavskjæring (lav trykkforskjell),sommerfuglventiler anbefalt.
3) Sommerfuglventil can be used in double position adjustment, necking channel, low noise, cavitation and gasification, a small amount of leakage to the atmosphere and abrasive medium.
4) When the sommerfuglventil is used under special working conditions, such as throttling regulation, strict sealing requirement, severe wear and low temperature (cryogenic), the special sommerfuglventil with special designed metal sealing belt regulating device, tri eccentric or Bi eccentric, shall be used.
5) Soft seal eccentric sommerfuglventil is suitable for bidirectional opening and closing and adjustment of ventilation and dust removal pipeline, and is widely used in gas pipeline and water channel of metallurgy, light industry, electric power and petrochemical system.
6) Metal to metal wire sealed double eccentric sommerfuglventil is suitable for urban heating, gas supply, water supply and other gas, oil, acid and alkali pipelines, as a regulating and throttling device.
7) Metal to metal face sealed triple eccentric sommerfuglventil is not only used as program control valve of large PSA gas separation unit, but also widely used in petroleum, petrochemical, chemical, metallurgical, electric power and other fields. It is a good substitute for gate valve and stop valve.

MST sommerfuglventil is suitable for fresh water, sewage, sea water, salt water, steam, natural gas, food, medicine, oil, various acid and alkali and other pipelines which require complete sealing, zero leakage in gas test, high service lie and working temperature from - 10 ℃ to 150 ℃.

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