Hard-sealed gate valve

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Valve Encyclopedia

Category:

Gate valve

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Product Inquiry

Product Description

Product Implementation Standard

Design Specifications	Structural length	Connection flange	Testing and Inspection	Pressure · Temperature	Product identification
GB/T12234	GB/T12221	GB/T9124	GB/T26480	GB/T12224	GB/T12220

Test pressure

Nominal pressure PN (MPa)	Housing	Test pressure (MPa)		Top seal
Nominal pressure PN (MPa)	Housing	Sealed (liquid)	Sealed (air)	Top seal
1.6	2.4	1.8	0.6	1.8
2.5	3.8	2.8	0.6	2.8
4.0	6.0	4.4	0.6	4.4
6.4	9.6	7.04	0.6	7.04
10.0	15.0	11.0	0.6	11.0
16.0	24.0	18.0	0.6	18.0

Applicable Media and Applicable Temperature

Housing material	Applicable medium	Applicable temperature ℃
Carbon Steel (Type C)	Water, steam, oil products	-29-425
Chromium-nickel-titanium steel (Type P)	Nitrate class	≤200
Chromium-Nickel-Molybdenum-Titanium Steel (Type R)	Acetic acid class	≤200
Chromium-molybdenum steel (Type I)	Water, steam, oil products	≤550

Main component materials

Valve body, valve cover	Valve disc, valve seat	Valve stem	Valve stem nut	Filler	Handwheel
Carbon steel	High-quality carbon steel + hard alloy or stainless steel	Chromium stainless steel	Manganese brass	Flexible graphite	Malleable cast iron
Chromium-nickel-titanium steel	Stainless steel, stainless steel + cemented carbide	Chromium-nickel-titanium stainless steel	Manganese brass	PTFE	Malleable cast iron
Chromium-nickel-molybdenum-titanium steel	Stainless steel, stainless steel + cemented carbide	Chromium-nickel-molybdenum-titanium stainless steel	Manganese brass	PTFE	Malleable cast iron
Chrome-molybdenum steel + hard alloy	Chromium-molybdenum steel	Chromium-molybdenum-vanadium steel	Aluminum bronze	Flexible graphite	WCB

Main external dimensions and connection dimensions: mm

Nominal diameter DN	L	D	D1	D2	b	f	Z-d	H	H¹	D0
Z40H-16 / Z41Y-16 / Z40Y-16P / Z41Y-16P / Z40Y-16R / Z41Y-16R / Z40W-16P / Z41W-16P / Z40W-16R / Z41W-16R / Z40Y-16I / Z41Y-16I / (KZ41Y)
15	130	95	65	46	14	2	4-14	220	240	120
20	150	105	75	56	16	2	4-14	255	284	140
25	160	115	85	65	16	2	4-14	275	303	160
32	180	140	100	76	18	2	4-18	280	321	180
40	200	150	110	84	18	2	4-18	300	352	200
50	250	165	125	99	20	2	4-18	358	438	240
65	270	185	145	118	20	2	4-18	375	450	240
80	280	200	160	132	20	2	8-18	438	528	280
100	300	220	180	156	22	2	8-18	502	620	320
125	325	250	210	184	22	2	8-18	612	753	360
150	350	285	240	211	24	2	8-23	676	847	360
200	400	340	295	266	24	2	12-22	820	1039	400
250	450	405	355	319	26	2	12-26	969	1245	450
300	500	460	410	370	28	2	12-26	1142	1472	560
350	550	520	470	429	30	2	16-26	1280	1450	640
400	600	580	525	480	32	2	16-30	1452	1887	640
450	650	640	585	548	40	2	20-30	1541	2011	720
500	700	715	650	609	44	2	20-33	1676	2181	720
600	800	840	770	720	48	2	20-36	1874	2346	800
Z40H-25 / Z41Y-25 / Z40Y-25P / Z41Y-25P / Z40Y-25R / Z41Y-25R / Z40W-25P / Z41W-25P / Z40W-25R / Z41W-25R / Z40Y-25I / Z41Y-25I / (KZ41Y)
15	130	95	65	46	14	2	4-14	220	240	120
20	150	105	75	56	16	2	4-14	255	284	140
25	160	115	85	65	16	2	4-14	275	303	160
32	180	140	100	76	18	2	4-18	280	321	180
40	200	150	110	84	18	2	4-18	300	352	200
50	250	165	125	99	20	2	4-18	358	438	240
65	270	185	145	118	22	2	8-18	375	450	240
80	280	200	160	132	24	2	8-18	433	528	280
100	300	235	190	156	24	2	8-22	502	620	320
125	325	270	220	184	26	2	8-26	612	753	360
150	350	300	250	211	28	2	8-26	676	847	360
200	400	360	310	274	30	2	12-26	820	1039	400
250	450	425	370	330	32	2	12-30	696	1245	450
300	500	485	430	389	34	2	16-30	1142	1472	560
350	550	555	490	448	38	2	16-33	1280	1450	640
400	600	620	550	503	40	2	16-36	1452	1887	640
450	650	670	600	548	46	2	20-36	1541	2011	720
500	700	730	660	609	48	2	20-36	1676	2181	720
600	800	845	770	720	48	2	20-39	1874	2346	800

Nominal diameter	L	D	D1	D2	D6	b	f	f2	Z-d	H	H1	D0
DN	L	D	D1	D2	D6	b	f	f2	Z-d	H	H1	D0
Z40H-40 / Z41Y-40 / Z40Y-40P / Z41Y-40P / Z40Y-40R / Z41Y-40R / Z40W-40P / Z41W-40P / Z40W-40R / Z41W-40R / Z41Y-40I / Z41Y-40I / (KZ41Y)
20	150	105	75	56	51	16	2	4	4-14	256	285	140
25	160	115	85	65	58	16	2	4	4-14	275	305	160
32	180	140	100	76	66	18	2	4	4-18	287	322	180
40	200	150	110	84	76	18	3	4	4-18	323	369	200
50	250	165	125	99	88	20	3	4	4-18	372	440	280
65	280	185	145	118	110	22	3	4	8-18	395	473	280
80	310	200	160	132	121	24	3	4	8-18	457	552	320
100	350	235	190	156	150	24	3	4.5	8-22	552	671	360
125	400	270	220	184	176	26	3	4.5	8-26	634	726	400
150	450	300	250	211	204	28	3	4.5	8-26	708	883	400
200	550	375	320	284	260	34	3	4.5	12-30	858	1086	450
250	650	450	385	345	313	38	3	4.5	12-33	1015	1298	560
300	750	515	450	409	364	42	4	4.5	16-33	1203	1535	640
350	850	580	510	465	422	46	4	5	16-36	1341	1678	640
400	950	660	585	535	474	50	4	5	16-39	1492	1903	720
Z40H-64 / Z41Y-64 / Z40Y-64P / Z41Y-64P / Z40Y-64R / Z41Y-64R / Z40W-64P / Z41W-64P / Z40W-64R / Z41W-64R / Z40Y-64I / Z41Y-64I / (KZ41Y)
20	190	130	90	56	51	20	2	4	4-18	258	288	180
25	210	140	100	65	58	24	2	4	4-18	310	341	200
32	230	155	110	76	66	24	2	4	4-22	320	353	200
40	240	170	125	84	76	26	2	4	4-22	360	389	240
50	250	180	135	99	88	26	2	4	4-22	372	448	280
65	280	205	160	118	110	26	2	4	8-22	395	475	280
80	310	215	170	132	121	28	2	4	8-22	458	553	320
100	350	250	200	156	150	30	2	4.5	8-26	553	679	360
125	400	295	240	184	176	34	2	4.5	8-30	638	779	400
150	450	345	280	211	204	36	2	4.5	8-33	718	893	450
200	550	415	345	284	260	42	2	4.5	12-36	873	1100	560
250	650	470	400	345	313	46	2	4.5	12-36	1053	1332	640
300	750	530	460	409	364	52	2	4.5	16-36	1203	1535	640
Z40H-100 / Z41Y-100 / Z40Y-100P / Z41Y-100P / Z40Y-100R / Z41Y-100R / Z40W-100P / Z41W-100P / Z40W-100R / Z41W-100R / Z40Y-100I / Z41Y-100I / (KZ41Y)
25	210	140	100	65	58	24	2	4	4-18	310	341	200
32	230	155	110	76	66	24	2	4	4-22	320	353	240
40	240	170	125	84	76	26	2	4	4-22	360	389	280
50	250	195	145	99	88	28	2	4	4-26	490	558	360
65	280	220	170	118	110	30	2	4	8-26	540	622	400
80	310	230	180	132	121	32	2	4	8-26	573	671	400
100	350	265	210	156	150	36	2	4.5	8-30	575	671	400
125	400	315	250	184	176	40	2	4.5	8-33	744	892	560
150	450	355	290	211	204	44	2	4.5	12-33	800	972	560
200	550	430	360	284	260	52	2	4.5	12-36	800	972	560
250	650	505	430	345	313	60	2	4.5	12-39	1050	1305	640
300	750	585	500	409	364	68	2	4.5	16-42	1208	1506	640
Z40H-160 / Z41Y-160 / Z40Y-160P / Z41Y-160P / Z40Y-160R / Z41Y-160R / Z40W-160P / Z41W-160P / Z40W-160R / Z41W-160R / Z40Y-160I / Z41Y-160I / (KZ41Y)
15	170	105	75	45	40	26	2	4	4-14	230	250	200
20	190	130	90	56	51	30	2	4	4-18	260	288	200
25	210	140	100	65	58	32	2	4	4-18	280	310	280
32	230	155	110	76	66	34	2	4	4-22	312	350	320
40	240	170	125	84	76	36	2	4	4-22	350	395	320
50	300	195	145	99	88	38	2	4	8-26	515	612	360
65	340	220	170	118	110	42	2	4	8-26	260	677	360
80	390	230	180	132	121	46	2	4	8-26	585	686	400
100	450	265	210	156	150	52	2	4.5	8-30	631	751	450
125	525	315	250	184	176	56	2	4.5	8-33	723	868	560
150	600	355	290	211	204	62	2	4.5	12-33	820	997	640
200	750	430	360	284	250	66	2	4.5	12-36	990	1224	720

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