NKZ61H Welding vacuum gate valve

· Welded vacuum gate valve - Test pressure test pressure

Nominalpressure PN/ MPaNominalpressure	test pressure /MPa Seal test
Nominalpressure PN/ MPaNominalpressure	Shell strength test Shellslrenght test	Upper Seal test Back Seal test	Seat test for seal test
2.5	3.8	2.8	2.8
4.O	6.0	4.4	4.4
6.4	9.6	70	7.O
1O.O	15O	11.O	11.O

· Welded vacuum gate valve - range Applicable

Product type Productcalssification	Applicable medium	Applicable temperature /ºC Applicable temperature
NKZ61HNKZ64H H-C type NKZ964H H-C type NKZ961H	Water, Steam, Air Water, steam, air	425 or less
NKZ61HNKZ64H Y-I NKZ964H Y-I NKZ961H	Water, Steam, Air Water, steam, air	550 or less

· Welded vacuum gate valve - Materials for main parts

Part name of the parts	Body, cap Body Bonnet	stem Valve stem	Ram Wedge gate	Sealing face	Stem nut Valve Yoke nut	Stuffing Parking	Fastener
NKZ61HNKZ64H H-C type NKZ964H H-C type NKZ961H	WCB	2Crl3	25	H: alloysteel	Aluminum bronze : Albronze	Composite graphite Expandingcompoundgraphite expansion	High quality carbon steel high-gradecarbon Steel
NKZ61HNKZ64H Y-I type NKZ964H Y-I type NKZ961H	Chromium molybdenum steel Cr.Mo Steel	20CrlMo1VA	Chromium molybdenum steel Cr.Mo Steel	Y: carbide alloy	Aluminum bronze : Albronze	Composite graphite Expandingcompoundgraphite expansion	Chromium molybdenum steel Cr.Mo steel

· Welded vacuum gate valves - Main dimensions and weight

Nominal diameter DN / mmNominaldiamecer	Nominalpressure PN/ MPaNominalpressure	Main external andconnecting dimensions /mmMain external andconnecting dimensions						Weight /kgWeight
Nominal diameter DN / mmNominaldiamecer	Nominalpressure PN/ MPaNominalpressure	L	H	D	D0	∝	W	Weight /kgWeight
50	2.5	250	345	64	49	37o30'	250	24
65		270	395	82	66	37o30'	250	36
80		280	425	95	78	37o30'	300	52
100		300	51O	117	100	37o30'	300	67
125		325	570	144	125	37o30'	350	95
150		350	725	172	151	37o30'	350	135
200		400	820	223	201	37o30'	400	210
250		450	890	278	253	37o30'	450	300
300		500	1070	330	303	37o30'	550	395
350		550	1320	382	351	37o30'	650	530
400		600	1450	432	398	37o30'	750	685
450		650	1560	484	450	37o30'	750	906
500		seven hundred	1720	535	498	37o30'	850	1130
600		809	1880	638	600	37o30'	900	1387
seven hundred		900	2083	738	seven hundred	37o30'	950	1894
800		1OOO	2590	840	800	37o30'	1000	2621
50	4.0	250	345	64	48	37o30'	300	30
65		270	395	82	66	37o30'	300	42
80		280	425	95	78	37o30'	350	57
100		300	51O	117	1OO	37o30'	350	75
125		325	570	144	125	37o30'	400	105
150		350	725	172	151	37o30'	400	150
200		400	820	223	199	37o30'	450	232
250		450	890	278	251	37o30'	550	330
300		500	1070	330	301	37o30'	650	430
350		550	1320	382	349	37o30'	750	570
400		600	1450	432	396	37o30'	850	730
50	6.4	250	350	64	48	37o30'	300	34
65		280	405	82	65	37o30'	300	48
80		310	435	95	76	37o30'	350	65
100		350	515	117	98	37o30'	400	81
125		400	580	150	128	37o30'	400	112
150		450	735	172	149	37o30'	450	161
200		550	835	223	197	37o30'	550	255
250		650	905	278	245	37o30'	650	390
300		750	1080	330	293	37o30'	750	515
350		850	1340	382	341	37o30'	800	695
400		950	1460	432	386	37o30'	900	885
50	1O.0	250	350	64	48	37o30'	300	37
65		280	405	82	63	37o30'	300	52
80		310	435	95	74	37o30'	350	70
100		350	515	117	97	37o30'	400	86
125		400	580	150	124	37o30'	400	118
150		450	735	172	144	37o30'	450	168
200		550	835	223	189	37o30'	550	263
250		650	905	278	235	37o30'	650	405
300		750	1080	330	281	37o30'	750	536
350		850	1340	382	333	37o30'	850	732
400		950	1460	432	376	37o30'	950	947

Note: Type PN2.5(25) valve is allowed as PN1.0(10), PN1.6(16) pressure stage selection

· Welded vacuum gate valve - Main dimensions

Nominal diameter DN / mmNominaldiamecer	Nominalpressure PN/ MPaNominalpressure	Main external andconnecting dimensions /mmMain external andconnecting dimensions						Electricdevice Electricdevice
Nominal diameter DN / mmNominaldiamecer	Nominalpressure PN/ MPaNominalpressure	L	H	D	D0	∝	W	Electricdevice Electricdevice
50	2.5	250	618	64	49	37o30'	562	DZWlO
65		270	670	82	66	37o30'	562	DZWlO
80		280	seven hundred	95	78	37o30'	562	DZWlO
100		300	785	117	100	37o30'	607	DZWl5
125		325	845	144	125	37o30'	607	DZW20l
150		350	990	172	151	37o30'	607	DZW20l
200		400	1080	223	201	37o30'	607	DZW30
250		450	1150	278	253	37o30'	607	DZW30
300		500	1415	330	303	37o30'	755	DZW45
350		550	1665	382	351	37o30'	755	DZW60
400		600	1815	432	398	37o30'	825	DZW90
450		650	1920	484	450	37o30'	825	DZWl20
500		seven hundred	2080	535	498	37o30'	825	DZWl20
600		800	2380	638	600	37o30'	925	DZWl80
50	4.0	250	618	64	49	37o30'	562	DZWl5
65		270	670	82	66	37o30'	562	DZWl5
80		280	seven hundred	95	78	37o30'	607	DZWl5
1OO		300	785	117	100	37o30'	607	DZW20l
125		325	845	144	125	37o30'	607	DZW20l
150		350	990	172	151	37o30'	607	DZW30
200		400	1080	223	199	37o30'	607	DZW30
250		450	1150	278	251	37o30'	755	DZW45
300		500	1415	330	301	37o30'	755	DZW60
350		550	1685	382	349	37o30'	825	DZW90l
400		600	1815	432	396	37o30'	825	DZW20
50	6.4	250	625	64	49	37o30'	562	DZWlO
65		280	693	82	66	37o30'	562	DZWl5
80		31O	712	95	76	37o30'	607	DZW20l
1OO		350	790	117	98	37o30'	607	DZW20l
125		400	855	150	128	37o30'	607	DZW30
150		450	1OOO	172	149	37o30'	607	DZW30
200		550	1185	223	197	37o30'	755	DZW45
250		650	1255	278	245	37o30'	755	DZW60
300		750	1445	330	293	37o30'	825	DZW90l
350		850	1715	382	341	37o30'	825	DZWl20l
400		950	1985	432	386	37o30'	925	DZWl80
50	1O.O	250	625	64	49	37o30'	562	DZWlO
65		280	693	82	66	37o30'	562	DZWl5
80		31O	712	95	74	37o30'	607	DZW20l
1OO		350	790	117	97	37o30'	607	DZW30l
125		400	855	150	124	37o30'	607	DZW30
150		450	1000	172	144	37o30'	755	DZW45
200		550	1185	223	189	37o30'	755	DZW60
250		650	1255	278	235	37o30'	825	DZW90l
300		750	1445	330	281	37o30'	825	DZWl20l
350		850	1715	382	333	37o30'	925	DZWl80
400		950	1985	432	376	37o30'	925	DZW250

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NKZ61H Welding vacuum gate valve

Chief property and specification. Chief property and specification

· Welded vacuum gate valve - Test pressure test pressure

· Welded vacuum gate valve - range Applicable

· Welded vacuum gate valve - Materials for main parts

· Welded vacuum gate valves - Main dimensions and weight

· Welded vacuum gate valve - Main dimensions