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NKJ61Y真空截止閥性能規(guī)范：

產(chǎn)品類型 Product type	殼體強度試驗/MPa Sheli strangth test	上密封試驗/MPa Back seal test	密封試驗/MPa Seal test	適用介質(zhì) Applicable medium	適用溫度/℃ Applicable temperature
NKJ61H-40	6.O	4.4	4.4	水、蒸汽、空氣 Water、Steam、Air	≤425
NKJ61H-64	96	7.O	7.O
NKJ61H-100	15.O	11.0	11.O
NKJ61Y-40l	6.O	4.4	4.4	水、蒸汽、空氣 Water、Steam、Air	≤550
NKJ61Y-64l	9.6	7.0	7.O
NKJ61Y-1OOI	15.O	11.O	11.O

零件名稱
Part name

閥體、閥蓋 Body Bonnet

閥桿
Valve Stem

閥瓣 Disc

密封面
Sealing face

閥桿螺母
Yokenut

填料
Packing

緊固件
Fasteher

NKJ61H-C型

25或WCB

鉻不銹鋼
Crstain
mless
teel

鉻不銹鋼
Crstain
mless
steel

H：合金鋼
H：alloy steel

鋁青銅
AI
bronze

膨脹復(fù)合石墨
Expanding
compound
graphlte

優(yōu)質(zhì)碳鋼
High-grade
carbon
steel

NKJ61Y-l型

鉻鉬鋼
Cr.Mo steel

20CrlM01vA 或38CrMoAlA

12CrlMo 1VA

Y：硬質(zhì)合金
Y:oarbide alloy

鉻鉬鋼
Cr.Mo steel

·真空隔離截止閥

公稱通徑 DN/mm Nominal diameter	公稱壓力 PN/MPa Nominal pressure	主要外形尺寸和連接尺寸/mm Main extemal and connectingd mensions
公稱通徑 DN/mm Nominal diameter	公稱壓力 PN/MPa Nominal pressure	L	H	D	D0	D1	L1	α	W
1O	4.0	130	245	36	11	18.4	1O	-	120
15		130	245	36	16	22.5	1O	-	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^o30’	200
40		200	320	55	40	-	-	37^o30’	240
50		230	365	64	48	-	-	37^o30’	320
65		290	41O	82	66	-	-	37^o30’	300
80		31O	430	95	78	-	-	37^o30’	300
100		350	470	117	1OO	-	-	37^o30’	350
125		400	500	143	126	-	-	37^o30’	350
150		480	533	167	150	-	-	37^o30’	400
1O	6.4	130	245	36	1O	18.4	1O	-	120
15		130	245	36	15	22.5	1O	-	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^o30’	200
40		200	320	55	39	-	-	37^o30’	240
50		230	365	64	48	-	-	37^o30’	320
65		290	41O	82	65	-	-	37^o30’	320
80		31O	430	95	76	-	-	37^o30’	360
100		350	470	117	98	-	-	37^o30’	400
125		480	500	143	123	-	-	37^o30’	400
150		480	533	167	148	-	-	37^o30’	500
1O	10.O	130	245	36	1O	18.4	1O	-	120
15		130	245	36	14	22.5	1O	-	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^o30’	200
40		200	320	55	38	-	-	37^o30’	240
50		230	355	64	48	-	-	37^o30’	320
65		290	41O	82	63	-	-	37^o30’	320
80		31O	430	95	74	-	-	37^o30’	360
1OO		350	470	117	97	-	-	37^o30’	400
125		400	500	143	123	-	-	37^o30’	400
150		480	533	167	148	-	-	37^o30’	500