Uchaguzi wa mfano wa cryogenic Cryogenic
Aina ya joto : Kulingana na mahitaji maalum ya joto ya chini, chagua mfano wa valve ambao unaweza kuzoea kiwango cha joto. Valves za kudhibiti cryogenic kawaida zinahitaji kuweza kuhimili joto la chini sana, kwa hivyo valves zilizotengenezwa na vifaa maalum zinahitaji kuchaguliwa.
Aina ya Valve : Kulingana na hali maalum ya maombi na mahitaji ya kudhibiti, chagua aina inayofaa ya valve, kama vile valve ya ulimwengu, kudhibiti valve, valve ya mpira, nk Aina tofauti za valves zina sifa tofauti za kudhibiti na safu za matumizi.
Njia ya Udhibiti : Chagua valve ya kudhibiti nyumatiki kulingana na mahitaji halisi, ambayo inaweza kuwa kaimu moja (udhibiti wa njia moja) au kaimu mara mbili (udhibiti mzuri na hasi). Kulingana na mahitaji ya mfumo wa kudhibiti, chagua hali inayofaa ya kudhibiti.
Unaweza kuzingatia mambo yaliyo hapo juu, unaweza kuchagua mfano mzuri wa kudhibiti cryogenic. Kampuni yetu pia ina bidhaa zingine: valve ya kudhibiti umeme, valve ya mpira wa nyumatiki, valve ya mpira wa umeme, valve ya kipepeo ya nyumatiki , nk, karibu kushauriana.

Valve mwili
Type |
straight cage type ball valve |
Nominal diameter |
DN15-400mm |
Nominal pressure |
PN16, 40, 64; ANSI150, 300, 600 |
Connection form: |
Flange type |
Body material: |
WCB, CF8, CF8M, etc |
Valve cover form: |
-40~-196℃ extended type |
Gland form: |
bolt pressing type |
Packing: |
flexible graphite, PTFE Valve inner assembly |
Spool type: |
pressure balance spool |
Adjustment characteristics: |
equal percentage, linear |
Internal materials: |
304, 304 surfacing STL, 316, 316 surfacing STL, 316L, etc |
Utaratibu wa Utendaji
Model: |
Film type |
Film material: |
ethylene propylene rubber sandwiched nylon |
Spring range: |
20-100KPa, 40-200KPa, 80-240KPa |
Gas supply pressure: |
140KPa, 160KPa, 280KPa, 400KPa |
Air source connector: |
Rc1/4, Rc3/8 |
Ambient temperature: |
-30 ~ +70℃ |
Action form: |
gas open (reaction), gas close (positive action) |
Note: |
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①This type of large diameter or high pressure difference regulating valve can also be equipped with straight stroke piston actuators. |
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②If the ambient temperature is lower than -30°C, please contact the western technical personnel. |
Mali
Leakage amount: |
Metal valve seat: Complies with ANSI B16.104 Level IV |
Non-metallic valve seat: |
conforms to ANSI B 16.104 Class VI |
Accessories (as required): |
Position, filter pressure reducing valve, hand wheel mechanism, limit switch, solenoid valve, valve position transmitter, gas control valve, speed regulator, holding valve, etc. |
