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■NKZ61H NKZ64H焊接真空閘閥主要性能規(guī)范　Chief property and specification
■NKZ61H NKZ64H焊接真空閘閥試驗壓力 Test pressure

公稱通徑 DN/mm Nominal diameter	試驗壓力/MPa Seal test
公稱通徑 DN/mm Nominal diameter	殼體強度試驗 Sheli strength	上密封試驗 Back seal	密封試驗 Seal test
2.5	3 8	2 8	2 8
4 O	6 0	4 4	4 4
6 4	9.6	7.0	7.0
10.0	15.0	11.0	110

■試驗壓力 Test pressure

產(chǎn)品類型 Product type

適用介質(zhì) Applicable medium

適用溫度/℃ Applicable temperature

NKZ61H
NKZ64H
NKZ964H
NKZ961H

H-C型

水、蒸汽、空氣
Water,Stram.Air

≤425

NKZ61H
NKZ64H
NKZ964H
NKZ961H

Y-I型

水、蒸汽、空氣
Water,Stram.Air

≤550

■主要零件材料 Materials main parts

零件名稱
Part name

閥體、閥蓋
Body Bonnet

閥桿
Valve stem

閥板
Wedge gate

密封面
Sealing face

閥桿螺母
Yoke nut

填料
Packing

緊固件
Fastener

NKZ61H
NKZ64H
NKZ964H
NKZ961H

H-C型

WCB

2Gr13

H：合金鋼
H：alloy steel

鋁青銅
Al
bronze

膨脹復(fù)合石墨
Expanding
compound
graphite

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

NKZ61H
NKZ64H
NKZ964H
NKZ961H

Y-I型

鉻鉬鋼
Cr.Mo steel

20Cr1Mo1VA

鉻鉬鋼
Cr．Mo steel

Y：硬質(zhì)合金
Y：carbide alloy

鉻鉬鋼
Cr．Mo steel

■主要尺寸及重量 Main dimensions and weight

公稱通徑 DN/mm Nominal diameter	公稱壓力 DN/mm Nominal pressure	主要外形尺寸和連接尺寸/mm Main external and connecting dimensions						電動裝置 Electric dowice
公稱通徑 DN/mm Nominal diameter	公稱壓力 DN/mm Nominal pressure	L	H	D	Do	∝	W	電動裝置 Electric dowice
50	2.5	250	618	64	49	37°30’	562	DZW10
65		270	670	82	66	37°30’	562	DZW10
80		280	700	95	78	37°30’	562	DZW10
100		300	785	117	100	37°30’	607	DZW15
125		325	845	144	125	37°30’	607	DZW20I
150		350	990	172	151	37°30’	607	DZW20I
200		400	1080	223	201	37°30’	607	DZW30
250		450	1150	278	253	37°30’	607	DZW30
300		500	1415	330	303	37°30’	755	DZW45
350		550	1665	380	351	37°30’	755	DZW60
400		600	1815	432	398	37°30’	825	DZW90
450		650	1920	484	450	37°30’	825	DZW120
500		700	2080	535	498	37°30’	825	DZW120
600		800	2380	638	600	37°30’	925	DZW180
50	4 O	250	618	64	49	37°30’	562	DZW15
65		270	670	82	66	37°30’	562	DZW15
80		280	700	95	78	37°30’	607	DZW15
100		300	785	117	100	37°30’	607	DZW20I
125		325	845	144	125	37°30’	607	DZW20I
150		350	990	172	151	37°30’	607	DZW30
200		400	1080	223	199	37°30’	607	DZW30
250		450	1150	278	251	37°30’	755	DZW45
300		500	1415	330	301	37°30’	755	DZW60
350		550	1685	382	349	37°30’	825	DZW90I
400		600	1815	432	396	37°30’	825	DZWl20
50	6.4	250	625	64	49	37°30’	562	DZWlO
65		280	693	82	66	37°30’	562	DZWl5
80		310	712	95	76	37°30’	607	DZW20I
100		350	790	117	98	37°30’	607	DZW20I
125		400	855	150	128	37°30’	607	DZW30
150		450	1000	172	149	37°30’	607	DZW30
200		550	1185	223	197	37°30’	755	DZW45
250		650	1255	278	245	37°30’	755	DZW60
300		750	1445	330	293	37°30’	825	DZW90I
350		850	1715	382	341	37°30’	825	DZW120I
400		950	1985	432	386	37°30’	925	DZW180
50	10．O	250	625	64	49	37°30’	562	DZW1O
65		280	693	82	66	37°30’	562	DZW15
80		310	712	95	74	37°30’	607	DZW20I
100		350	790	117	97	37°30’	607	DZW30I
125		400	855	150	124	37°30’	607	DZW30
150		450	1000	172	144	37°30’	755	DZW45
200		550	1185	223	189	37°30’	755	DZW60
250		650	1255	278	235	37°30’	825	DZW90I
300		750	1445	330	281	37°30’	825	DZW120I
350		850	1715	382	333	37°30’	925	DZW180
400		950	1985	432	376	37°30’	925	DZW250