Vacuum valve

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Vacuum valve

Model: DKJ41H-25
Nominal diameter: DN15 ~ 150mm
Nominal pressure: PN4.0 ~ 10.0MPa The
main material: 25, WCB, Cr5Mo
Design and manufacture: GB / T12235, API
Flange size: JB / T79, GB / T9113
Pressure and temperature: ASME B1 6.34, GB / T9131
Structure length: GB / T12221
Butt weld connection size: ASME B1 6.25, GB / T12224
Inspection and test: GB / T13927, JB / T9092
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Material description of the main part

Body25, WCBCr5Mo
cap25, WCBCr5Mo
Bracket25, WCBCr5Mo
Disc2Cr13, WCBCr5Mo
Valve stem2Cr1338CrMoAL, 25Cr2MoV
Seat25,304304
Seal ringExpansion of flexible graphite
fillerExpansion of flexible graphite
Stem nutZCuA110Fe3

 

The main size and weight

DN (mm)PN (MPa)The main shape and connection dimensions (mm)
LH handDDoD1L1αW
104.0130245361118.410 120
15130245361622.510 120
20150265442128.511 160
25160270482634.512 200
321802854834  37.5 °200
402003205540  37.5 °240
502303656448  37.5 °320
652904108266  37.5 °300
803104309578  37.5 °3000
10035470117100  37.5 °350
125400500143126  37.5 °350
150480533167150  37.5 °400
106.4130245361018.410 120
15130245361522.510 120
20150265442028.511 160
25160270482534.512 200
321802804833  37.5 °200
402003205539  37.5 °240
502303656448  37.5 °320
652904108265  37.5 °320
803104309576  37.5 °360
10035047011798  37.5 °400
125480500143123  37.5 °400
150480533167148  37.5 °500
1010.0130245361018.410 120
15130245361422.510 120
20150265442028.511 160
25160270482534.512 200
321802854832  37.5 °200
402003205538  37.5 °240
502303556448  37.5 °320
652904108263  37.5 °320
803104309574  37.5 °360
10035047011797  37.5 °400
125400500143123  37.5 °400
150480533167148  37.5 °500