Electric Ventilation Butterfly Valve

Products > Metallurgical valve > Electric Ventilation Butterfly Valve

Electric Ventilation Butterfly Valve

Model: D941W
Nominal diameter: DN50 ~ 2000mm
Nominal pressure: PN0.05 ~ 0.6MPa
Applicable temperature: ≤ 650 ℃
Design and manufacture of standards: GB / T 12238-1989; JB / T8692-1998
Applicable medium: gas, dust gas , flue gas and other
Drive forms: manual, worm gear, gas drive, electric drive
shared:

First, the product details

1, ventilation butterfly valve design, reasonable, unique structure, light weight, quick opening and closing. 
2, butterfly valve torque is small, easy to operate, labor-saving smart. 
3, the use of adaptive materials to meet the low, medium and high temperature of different media and corrosive media. 
4, there is no connecting rod, bolts, etc., reliable, long service life, not affected by the media flow.
 

Second, the standard
Design of ventilation butterfly valve design and manufacturing standards: GB / T 12238-1989; JB / T8692-1998 
Structure length standards: GB / T 12221-2005 
Flange standards: GB / T 9115.1 
Pressure temperature rating: GB / T 12224- 2005 
Test test standard: GB / T 13927-2008
 

Third, the main technical parameters

Nominal diameterDN (mm)50 ~ 2000
Nominal pressurePN (MPa)0.050.250.6
Test pressure Ps (MPa)Strength test0.0750.3750.9
Seal test≤ 1.5% leakage
Suitable mediaGas, dust gas, flue gas and so on
Drive formManual, worm gear drive, gas drive, electric drive


 Fourth, the ventilation valve parts materials and conditions

Part Namematerial
BodyCast steel, stainless steel, chrome nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials
Butterfly plateCast steel, stainless steel, chrome nickel molybdenum titanium steel, chromium molybdenum titanium steel and other special materials
Sealing ringSame as valve body
Valve stemCarbon steel, 2Crl3, stainless steel, chromium nickel molybdenum titanium steel
fillerFlexible graphite


 Fifth, the selection of butterfly valve sealing materials and temperature

Material varietyCarbon steelLow temperature carbon steelalloy steelAustenitic stainless steelChrome-molybdenum steel
CodeWCBLCBWC6 or WC9C5 or C12Chromium Cr-18 type, 304,31 612CrMoV
Resistance to the highest temperature425 ° C345 ° C595 ° C650 ° C600 ° C560 ° C
Resistance to the lowest temperature-29 ° C-46 ° C-29 ° C-29 ° C-196 ° C-40 ℃
Suitable for working temperature≤ 25 ℃≤345 ℃≤595 ℃≤ 650 ℃≤600 ℃≤560 ℃



 Sixth, the connection size

Nominal diameterStructure length 
(standard value)
Dimensions 
(reference value)
Connection size (standard value)Reference weight 
(kg)
0.05MPa, 0.25MPa0.6MPa
mminchLHH1DD1D2ZdDD1D2Zd
10041201052192101701444-182101701444-1820
12551201202342402001748-182402001748-1825
15061201322472652251998-182652251998-1829
20081401604033202802548-183202802548-1847
2501014018743337533530912-1837533530912-1867
3001217022046544039536312-2244039536312-2278
3501417024553949044541312-2249044541312-2296
4001619027054354049546316-2254049546316-22130
4501819029757159555051816-2259555051816-22142
5002019032264464560056820-2264560056820-22191
6002421037770175570566720-2675570566720-26230
7002821043075386081077224-2686081077224-26250
8003221048780797592087824-3097592087824-30320
900362505379731075102097824-301075102097824-30410
100040250587102311751120107828-3011751120107828-30510
120048250687115313751320128032-3014051340129532-33720
140056300760181015751520148036-3016301560151036-361270
160064300895181517901730169040-3018301760171040-361730
180072300995192019901930189044-3020451970191844-392750
2000803001095202521902130209048-3022652180212548-423050

Ventilation butterfly valve temperature is subject to the selection of the valve body, the nominal pressure ≤ 1.0MPa, generally applicable to industry, metallurgy, environmental protection, chemical industry, building materials, power plants, glass and other industries in the ventilation, environmental engineering dust or hot air gas pipeline , As a gas medium to regulate the flow or cut off the pipeline control device. Ventilation butterfly valve in the pipeline should be installed horizontally.
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