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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

Material description of the main part

Body	25, WCB	Cr5Mo
cap	25, WCB	Cr5Mo
Bracket	25, WCB	Cr5Mo
Disc	2Cr13, WCB	Cr5Mo
Valve stem	2Cr13	38CrMoAL, 25Cr2MoV
Seat	25,304	304
Seal ring	Expansion of flexible graphite
filler	Expansion of flexible graphite
Stem nut	ZCuA110Fe3

The main size and weight

DN (mm)	PN (MPa)	The main shape and connection dimensions (mm)
DN (mm)	PN (MPa)	L	H hand	D	Do	D1	L1	α	W
10	4.0	130	245	36	11	18.4	10		120
15		130	245	36	16	22.5	10		120
20		150	265	44	21	28.5	11		160
25		160	270	48	26	34.5	12		200
32		180	285	48	34			37.5 °	200
40		200	320	55	40			37.5 °	240
50		230	365	64	48			37.5 °	320
65		290	410	82	66			37.5 °	300
80		310	430	95	78			37.5 °	3000
100		35	470	117	100			37.5 °	350
125		400	500	143	126			37.5 °	350
150		480	533	167	150			37.5 °	400
10	6.4	130	245	36	10	18.4	10		120
15		130	245	36	15	22.5	10		120
20		150	265	44	20	28.5	11		160
25		160	270	48	25	34.5	12		200
32		180	280	48	33			37.5 °	200
40		200	320	55	39			37.5 °	240
50		230	365	64	48			37.5 °	320
65		290	410	82	65			37.5 °	320
80		310	430	95	76			37.5 °	360
100		350	470	117	98			37.5 °	400
125		480	500	143	123			37.5 °	400
150		480	533	167	148			37.5 °	500
10	10.0	130	245	36	10	18.4	10		120
15		130	245	36	14	22.5	10		120
20		150	265	44	20	28.5	11		160
25		160	270	48	25	34.5	12		200
32		180	285	48	32			37.5 °	200
40		200	320	55	38			37.5 °	240
50		230	355	64	48			37.5 °	320
65		290	410	82	63			37.5 °	320
80		310	430	95	74			37.5 °	360
100		350	470	117	97			37.5 °	400
125		400	500	143	123			37.5 °	400
150		480	533	167	148			37.5 °	500

The next：Power Station Globe Valve

The previous：Electric welding stop valve

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