NKZ41H vacuum gate valve

Part name Part name	Body, cap Body Bonnet	Stem STEM	Ram Wedge gate	Sealing face	Stem nut Yokenut	Stuffing Parking	Fastener
NKZ44HNKZ41H-C type NKZ944H-C type NKZ941H	WCB	2Crl3	25	H: alloy steel	Aluminum bronze Albronze	Composite graphite ExpandingcomDoundgraphite expansion	High quality carbon steel high-gradecarbon Steel
NKZ44NKZ41Y-I NKZ944-I NKZ941	Chromium molybdenum steel Cr.Mo Steel	20CrlMo1VA 38CrMoAlA	Chromium molybdenum steel Cr.Mo Steel	Y: carbide alloy	Aluminum bronze Albronze	Composite graphite ExpandingcomDoundgraphite expansion	Chromium molybdenum steel Cr.Mo steel

Vacuum flange gate valve main dimensions and weight

Main dimensions and weight

Nominaldiameter DN/ mmNominaldiameter	Nominalpressure PN/ MPaNominalpressure	Main form factor dimensions and connecting dimensions /mmMain extemal and connecting dimensions									Valveweight /kgValveweight	Attached flange dimensions /mmAdditional flange'sdimensions
Nominaldiameter DN/ mmNominaldiameter	Nominalpressure PN/ MPaNominalpressure	L	H	D	D1	D2	b	f	z-d	W	Valveweight /kgValveweight	h	D0	Dn
50	1.O	250	345	160	125	1OO	16	3	4 to 18	250	28	45	49	58
65		270	395	180	145	120	18	3	4 to 18	250	40	48	64	75
80		280	425	195	160	135	20	3	4 to 18	300	55	50	78	97
100		300	51O	215	180	155	20	3	8 to 18	300	72	52	96	110
125		325	570	245	21O	185	22	3	8 to 18	350	106	60	120	136
150		350	725	280	240	21O	24	3	8 to 18	350	146	60	145	163
200		400	820	335	295	265	26	3	8 to 18	400	220	62	202	223
250		450	890	390	350	320	28	3	12-23	400	315	62	225	278
300		500	1070	440	400	368	28	3	12-23	450	398	65	303	330
350		550	1320	500	460	428	30	4	16-23	550	530	65	351	382
400		600	1450	565	515	482	32	4	16 to 25	550	690	65	398	432
450		650	1560	615	565	532	32	4	20-25	600	870	70	460	485
500		seven hundred	1720	670	620	585	34	4	20-25	650	1080	78	500	535
600		800	1880	780	725	685	36	5	20-30	seven hundred	1350	90	600	636
seven hundred		900	2085	895	840	800	40	5	24 to 30	750	1950	90	690	726
800		1OOO	2590	101O	950	905	44	5	24 and 34	800	2500	106	790	826
50	1.6	250	345	160	125	1OO	16	3	4 to 18	250	28	48	49	58
65		270	395	180	145	120	18	3	4 to 18	250	40	50	64	75
80		280	425	195	160	135	20	3	8 to 18	300	58	52	78	91
100		300	51O	215	180	155	20	3	8 to 18	300	75	52	96	110
125		325	570	245	21O	185	22	3	8 to 18	350	110	60	120	136
150		350	725	280	240	21O	24	3	8-23	350	150	60	145	163
200		400	820	335	295	265	26	3	12-23	400	223	62	201	223
250		450	890	405	355	320	30	3	12-25	450	326	68	253	278
300		500	1070	460	41O	375	30	3	12-25	550	432	70	303	330
350		550	1320	520	470	435	34	4	16 to 25	600	572	78	351	382
400		600	1450	580	525	485	36	4	16 and 30	650	740	90	398	432
450		650	1560	640	585	545	40	4	20-30	seven hundred	955	95	450	485
500		seven hundred	1720	705	650	608	44	4	20-34	750	1195	98	500	535
600		800	1880	840	770	718	48	5	20-41	800	1455	105	600	636
seven hundred		900	2085	g1O	840	788	50	5	24-41	850	211O	11O	690	726
800		1OOO	2590	1020	950	898	52	5	24-41	950	2630	115	790	826

Nominaldiameter DN/ mmNominaldiameter	Nominalpressure PN/ MPaNominalpressure	Main size and the connection size/mmMainexternalandconnectingdimensions shape									Valveweight /kgValveweight	Attached flange dimensions /mmAdditional flange's dimensions
Nominaldiameter DN/ mmNominaldiameter	Nominalpressure PN/ MPaNominalpressure	L	H	D	D1	D2	b	f	Z-d	W	Valveweight /kgValveweight	h	DO	Dn
50	25	250	345	160	125	100	20	3	4 to 18	250	30	48	49	64
65		270	395	180	145	120	22	3	8 to 18	250	43	52	66	82
80		280	425	195	160	135	22	3	8 to 18	300	60	55	78	95
1OO		300	510	230	190	160	24	3	8-23	300	79	62	100	117
125		325	570	270	220	188	28	3	8-25	350	114	68	125	144
150		350	725	300	250	218	30	3	8-25	350	157	72	151	172
200		400	820	360	310	278	34	3	12-25	400	243	60	201	223
250		450	890	425	370	332	36	3	12-30	450	345	85	253	278
300		500	1070	483	430	390	40	4	16 and 30	550	455	92	303	330
350		550	1320	550	4g0	448	44	4	16 and 34	650	615	98	351	382
400			1450	610	550	505	48	4	16 and 34	seven hundred	7g4	115	398	432
450		650	1560	660	600	555	50	4	20-34	750	1018	115	450	483
500		seven hundred	1720	730	660	61O	52	4	20-41	800	1250	120	498	535
600		800	1880	840	770	718	56	5	20-41	850	1528	130	598	636
seven hundred		900	2085	955	875	815	60	5	24-48	900	2265	140	688	726
800		1000	2590	1070	990	930	64	5	24-48	1000	2847	150	788	826

Nominal diameter DN/ mmNominaldi8m8ter	Nominalpressure PN/ MPaNominalpressure	Main external and connecting dimensions /mmMain external and connecting dimensions											Valveweight /kgValveweight	mmAdditional flange's dimensions /mmAdditional flange's dimensions
Nominal diameter DN/ mmNominaldi8m8ter	Nominalpressure PN/ MPaNominalpressure	L	H	D	D1	D2	b	f	D6	f2	z-d	W	Valveweight /kgValveweight	h	DO	Dn
50	4.O	250	345	160	125	100	20	3	88	4	4 to 18	300	35	48	48	64
65		270	395	180	145	120	22	3	11O	4	8 to 18	300	49	52	66	82
80		280	425	195	160	135	22	3	121	4	8 to 18	350	65	58	78	95
100		300	510	230	190	160	24	3	150	4.5	8-23	350	87	68	100	117
125		325	570	270	220	188	28	3	176	4.5	8-25	400	124	68	125	144
150		350	725	300	250	218	30	3	204	4.5	8-25	400	172	72	151	172
200		400	820	375	320	282	38	3	260	4.5	12-30	450	275	88	19g	223
250		450	890	445	385	345	42	3	313	4.5	12-34	550	392	102	251	278
300		500	1070	51O	450	408	46	4	364	4.5	16 and 34	650	515	116	301	330
350		550	1320	570	510	465	52	4	422	5	16 and 34	750	684	120	34g	382
400		600	1450	655	585	535	58	4	474	5	16-41	850	902	142	396	432

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