Comhla Cruinneog Iarainn Teilgthe
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Comhla Cruinneog Iarainn Teilgthe

Is comhla séalaithe éigeantach í comhla cruinne iarainn theilgthe, mar sin nuair a bhíonn an comhla dúnta, caithfear brú a chur ar an diosca chun iallach a chur ar an dromchla séalaithe gan sceitheadh. Nuair a théann an meán isteach sa chomhla faoi bhun an diosca, is í an fhriotaíocht a chaithfidh an fórsa oibriúcháin a shárú ná fórsa cuimilte gas agus pacáil na comhla agus an sá a ghineann brú an mheáin. Is mó an fórsa chun an chomhla a dhúnadh ná an fórsa chun an chomhla a oscailt, mar sin Iarann ​​Teilgthe Ba chóir go mbeadh trastomhas gas comhla na comhla cruinne mór, ar shlí eile lúbfaidh gas na comhla.

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Cur síos ar an Táirge

1. RéamhráIarann ​​teilgtheGlobeValve

Iarann ​​teilgtheglobevalve is a forced-sealing valve, so when the valve is closed, pressure must be applied to the disc to force the sealing surface to not leak. When the medium enters the valve from below the disc, the resistance that the operating force needs to overcome is the friction force of the valve stem and packing and the thrust generated by the pressure of the medium. The force to close the valve is greater than the force to open the valve, so Iarann ​​teilgtheThe diameter of the valve stem of the globevalve should be large, otherwise the valve stem will bend up failure.

Iarann ​​teilgtheGlobeValve

2. Parameters of Iarann ​​teilgtheGlobeValve

Cineál Comhla
Iarann ​​teilgtheglobevalve
DN
DN10~DN600
PN(MPaï¼ ‰
1.6~16Mpa
Raon Teochta Dearaidh
-15â „ƒï½ž200â„ ƒ
Cineál ceangail:
Flanged
Cineál actuator
Tiomáint láimhe, Achtúire Aeroibrithe, Hiodrálacha nó Leictreach
Meánach Infheidhme
Uisce, ola, gás, agus meán creimthe éagsúla


Páirteanna spártha
Ábhar
Diosca Clúdach Coirp
Cruach brionnaithe, Cruach teilgthe
Gas
Cruach brionnaithe, Cruach teilgthe
Pacáil
Graifít Solúbtha, Graifít Solúbtha Feabhsaithe, PTEE
Shéalaithe Shim
Graifít Flexiblo feabhsaithe, cruach stainse, PTFE
Aghaidh Séalaithe
13Cr,STL, PTFE, níolón, Le hábhar coirp

Iarann ​​teilgtheGlobeValve
Iarann ​​teilgtheGlobeValve


3. Advantages of Iarann ​​teilgtheglobevalve

1) The structure of the Iarann ​​teilgtheglobevalve is simpler than that of the gate valve, and it is more convenient to manufacture and maintain.
2) An dromchla séalaitheof Iarann ​​teilgtheglobevalve is not easy to wear and scratch, and the sealing performance is good. There is no relative sliding between the valve disc and the sealing surface of the valve body when opening and closing, so neither abrasion nor abrasion is serious. The sealing performance is good and the service life is long. .
3) When the Iarann ​​teilgtheglobevalve is opened and closed, the disc stroke is small, so the height of the shut-off valve is smaller than that of the gate valve, but the structure length is longer than that of the gate valve.
4) Iarann ​​teilgtheglobevalve has a large opening and closing moment, which is laborious and takes a long time.
5) The medium channel in the Iarann ​​teilgtheglobevalve is tortuous, the fluid resistance is large, and the power consumption is large.
6) When the nominal pressure of the medium flow direction of the Iarann ​​teilgtheglobevalve PN≤16MPa, the downstream flow is generally adopted, and the medium flows upward from the bottom of the valve flap; when the nominal pressure PN≥20MPa, the reverse flow is generally adopted, and the medium flows downward from the top of the valve flap. In order to increase the seal performance. When in use, the shut-off valve medium can only flow in one direction and cannot change the direction of flow.
7) The valve flap is often eroded when the Iarann ​​teilgtheglobevalve is fully opened.

Iarann ​​teilgtheGlobeValve
4. Ceisteanna Coitianta

Iarann ​​teilgtheGlobeValve

Iarann ​​teilgtheGlobeValve

Iarann ​​teilgtheGlobeValve

Iarann ​​teilgtheGlobeValve


Clibeanna te: Comhla Cruinneog Iarainn Teilgthe, Déantúsóirí, Soláthraithe, Monarcha, Saincheaptha, I Stoc, Bulc, Sampla Saor in Aisce, An tSín, Déanta sa tSín, Saor, Praghas Íseal, Praghas, Liosta Praghsanna, Meastachán, CE, Ardchaighdeán, Durable, Barántas Bliana

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