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VENTILATION BUTTERFLY VALVE

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VENTILATION BUTTERFLY VALVE

VENTILATION BUTTERFLY VALVE
CategoriesFLANGE BUTTERFLY VALVE
AlbumView larger image
BrandVALAN
Update Time2021-04-11
Detail Information

Application of ventilation butterfly valve d341w

Ventilation butterfly valve is a kind of non airtight butterfly valve, which is widely used in building materials, metallurgy, mining, electric power and other production industries. It is suitable for pipes with medium temperature ≤ 425 ℃ and nominal pressure of 0.1MPa to regulate medium flow by ventilation.

Execution standard of ventilation butterfly valve d341w

Design and manufactureFlange connectionStructural lengthTest and inspection
JB/T8692GB/T9113、JB/T79、HG/T20529、EN1092-1、ASME B16.5/B16.47GB/T12221GB/T13927、JB/T9092

Main technical parameters of ventilation butterfly valve d341w

Nominal diameterDN(mm)50~2000
Nominal pressurePN(mm)0.250.6
Test pressure(MPa)strength test0.3750.9
Sealing test0.2750.66
Applicable mediaGas, dust gas, flue gas
Driving formManual, worm gear drive, pneumatic drive, electric drive

Material of main parts of ventilation butterfly valve d341w

Part nameMaterial Science
Valve plateCast steel, stainless steel, chromium nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials
DiscCast steel, alloy steel, chromium nickel molybdenum titanium steel and other special materials
seal ringCast steel, stainless steel, chromium nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials
Stem20cr13, stainless steel, Cr Ni Mo Ti steel 20cr13
fillerFluoroplastics, flexible graphite

Material selection and applicable temperature of ventilation butterfly valve d341w

Material varietycarbon steelLow temperature carbon steelAlloy steelaustenitic stainless steelChromium molybdenum steel
Code nameWCBLCBWC6/WC9C5/C12铬Cr-18型304、31612CrMoV
Maximum temperature resistance425℃345℃595℃650℃600℃560℃
Minimum temperature resistance-29℃-46℃-29℃-29℃-196℃-40℃
Applicable operating temperature≤425℃≤345℃≤595℃≤650℃≤600℃≤560℃

Design drawing of ventilation butterfly valve d341w

通风蝶阀图纸

Main external connection dimensions of pn0.25mpa-pn0.6mpa ventilation butterfly valve d341w

Nominal diameterStandard value of structure lengthOverall dimension (reference value)Connection size (standard value)
0.25MPa0.6MPa
mminchesLHH0ABDD1D2Z-dDD1D2Z-d
50210870286125193140110884-14140110884-14
65112803061251931601301084-141601301084-14
803114953341251931901501244-181901501244-18
10041201053541251932101701444-182101701444-18
12551201203841251932402001748-182402001748-18
15061201324091251932652251998-182652251998-18
20081401605931651833202802548-183202802548-18
2501014018765016528337533530912-1837533530912-18
3001217022071516528344039536312-2244039536312-22
3501417024581417533549044541312-2249044541312-22
4001619027086317533454049546316-2254049546312-22
4501819029791817533459555051816-2259555051816-22
50020190322101621042564560056820-2264560056820-22
60024210377112821042575570566720-2675570566720-26
70028210430123321042586081072224-2689081077224-26
80032210487134421042597592087824-3097592087824-30
9003625053715603206201075102097824-301075102097824-30
100040250587166032062011751120107828-3011751120107828-30
120048250687189032062013751320128032-3014051340129532-33
140056300760267057571415751520148036-3016301560151036-36
160064300895281057571417901730169040-3018301760171040-36
180072300995202057571419901930189044-3020451970191844-39
2000803001095322065681021902130209048-3022652180212548-42
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Valan is a professional supplier and manufacturer of valves over 20 years, and sale & factory management team with more than 10 years experiences. So we could not only supply valves, but also provide valve type selection and other technical support on valves. Distributing pipes , pipes parts and pumps ... ...more>