GB Gate Valve

The GB Gate Valve is engineered for reliable performance in industrial applications, including chemical, petrochemical, and power industries. Designed for high-pressure environments, it offers superior durability with customizable materials for harsh media like nitric acid and steam. Ideal for precise flow control.

Valve Size: DN40 – DN600
Pressure Rating: PN16-PN100
Body Material: WCB, WCC, LCB, LCC, CF8, CF3, CF8M, CF3M, WC6, WC9, C5, C6
Cover Material: WCB, WCC, LCB, LCC, CF8, CF3, CF8M, CF3M, WC6, WC9, C5, C6
Seal Material: 13Cr, STL, Hastelloy, Titanium Alloy, Zirconium
Stem Material: 20Cr13, F304, F316, F304L, F316L, 4140
Applicable Temperature: -29 to 425°C
Applicable Media: Nitric acid, acetic acid, water, oil, steam

Categories: All Products, Gate Valve

Download Catalogue

Product Technical Specifications

Valve Cross-Sectional View

Model	Z40W(H Y)
Design Standard	GB/T12234
Connection End Standard	JB/T 79.1, GB/T9124.1, HG/T20592
Face to Face Length	GB/T 12221
General Requirements for Steel Valves	GB/T 12224
Pressure Test Standard	GB/T 13927

Valve Cross-Sectional View

Main External and Connection Dimension

Unit: mm

Product Type	Nominal Diameter DN	PN1.6MPa									WT (Kg)
Product Type	Nominal Diameter DN	L	D	D1	D2	b	Z-Φd	H	H1	Do	WT (Kg)
Z41H-16C Z40H-16C Z41W-16P Z40W-16P Z41Y-16P Z40Y-16P Z41W-16R Z40W-16R Z41Y-16I Z40Y-16I KZ41Y-16C KZ40Y-16C Z540H-16C Z540Y-16P	40	200	145	110	85	16	4-Φ18	300	352	200	26.5
	50	250	160	125	100	16	4-Φ18	658	438	240	29
	65	265	180	145	120	18	4-Φ18	375	450	240	33
	80	280	195	160	135	20	8-Φ18	433	528	280	45
	100	300	215	180	155	20	8-Φ18	502	620	320	63
	125	325	245	210	185	22	8-Φ18	612	753	360	108
	150	350	280	240	210	24	8-Φ23	676	847	360	134
	200	400	335	295	265	26	12-Φ23	820	1039	400	192
	250	450	405	355	320	30	12-Φ25	969	1245	450	273
	300	500	460	410	375	30	12-Φ25	1142	1472	560	379
	350	550	520	470	435	34	16-Φ25	1280	1450	640	590
	400	600	580	525	485	36	16-Φ30	1452	1887	640	850
	450	650	640	585	545	40	20-Φ30	1541	2011	720	907
	500	700	705	650	608	44	20-Φ34	1676	2181	720	958
	600	800	840	770	718	48	20-Φ41	1874	2346	800	1112
	700	900	910	840	788	50	24-Φ41	2083	2517	800	1290
	800	1000	1020	950	898	52	24-Φ41	2400	2890	950	1485
	900	1100	1120	1050	998	54	28-Φ41	2950	3316	1000	1773
	1000	1200	1255	1170	1110	56	28-Φ48	3245	3600	1000	2160

Product Type	Nominal Diameter DN	PN2.5MPa									WT (Kg)
Product Type	Nominal Diameter DN	L	D	D1	D2	b	Z-Φd	H	H1	Do	WT (Kg)
Z41H-25 Z40H-25 Z41W-25P Z40W-25P Z41Y-25P Z40Y-25P Z41Y-25R Z40Y-25R Z41Y-25I Z40Y-25I KZ41Y-25 KZ40Y-25 Z540H-25 Z540Y-25P	40	200	145	110	85	18	4-Φ18	300	352	200	18
	50	250	160	125	100	20	4-Φ18	358	438	240	28
	65	265	180	145	120	22	8-Φ18	375	450	240	33
	80	280	195	160	135	22	8-Φ18	433	528	280	46
	100	300	230	190	160	24	8-Φ23	502	620	320	64
	125	325	270	220	188	28	8-Φ25	612	753	360	116
	150	350	300	250	218	30	8-Φ25	676	847	260	141
	200	400	360	310	278	34	12-Φ25	820	1039	400	213
	250	450	425	370	332	36	12-Φ30	969	1245	450	273
	300	500	485	430	390	40	16-Φ30	1142	1472	560	290
	350	550	550	490	448	44	16-Φ34	1280	1450	640	631
	400	600	610	550	505	48	16-Φ34	1452	1887	640	900
	450	650	660	600	555	50	20-Φ34	1541	2011	720	1013
	500	700	730	660	610	52	20-Φ41	1676	2181	720	1166
	600	800	840	770	718	56	20-Φ41	1874	2346	800	1258
	700	900	955	875	815	60	24-Φ48	2083	2517	800	1383
	800	1000	1070	990	930	64	24-Φ48	2400	2890	950	1596
	900	1100	1180	1090	1025	66	28-Φ54	2950	3316	1000	1865
	1000	1200	1305	1210	1140	68	28-Φ58	3245	3600	1000	2351

Product Type	Nominal Diameter DN	PN4.0MPa										WT (Kg)
Product Type	Nominal Diameter DN	L	D	D1	D2	Ds	b	Z-Φd	H	H1	Do	WT (Kg)
Z41H-40 Z40H-40 Z41Y-40P Z40Y-40P Z41Y-40R Z40Y-40R Z41Y-40I Z40Y-40I KZ41Y-40 KZ40Y-40 Z540H-40 Z540Y-40P	40	200	145	110	85	76	18	4-Φ18	323	369	200	29
	50	250	160	125	100	88	20	4-Φ18	372	440	280	36
	65	280	180	145	120	110	22	8-Φ18	305	473	280	39
	80	310	195	160	135	121	22	8-Φ18	457	552	320	52
	100	350	230	190	160	150	24	8-Φ23	552	671	360	80
	125	400	270	220	188	176	28	8-Φ25	634	726	400	127
	150	450	300	250	218	204	30	8-Φ25	708	883	400	154
	200	550	375	320	282	260	38	12-Φ30	858	1086	450	263
	250	650	445	385	345	313	42	16-Φ34	1015	1298	460	368
	300	750	510	450	408	364	46	16-Φ34	1203	1535	640	547
	350	850	570	510	465	422	52	16-Φ34	1341	1678	640	679
	400	950	665	585	535	474	58	20-Φ41	1492	1903	720	953
	450	1050	680	610	560	524	60	20-Φ41	1583	2215	800	1253
	500	1150	755	670	612	576	62	20-Φ41	1792	2580	950	1589
	600	1350	890	795	730	678	62	20-Φ41	2035	2916	950	1903

Product Type	Nominal Diameter DN	PN6.4MPa										WT (Kg)
Product Type	Nominal Diameter DN	L	D	D1	D2	D6	b	Z-Φd	H	H1	Do	WT (Kg)
Z41H-64 Z40H-64 Z41Y-64P Z40Y-64P Z41Y-64R Z40Y-64R Z41Y-64I Z40Y-64I KZ41Y-64 KZ40Y-64 Z540H-64 Z540Y-64P	40	240	165	125	125	125	29	4-Φ23	360	389	389	29
	50	250	175	135	105	88	26	4-Φ23	372	448	448	34
	65	280	200	180	130	110	28	8-Φ23	395	475	280	43
	80	310	210	170	140	121	30	8-Φ23	458	553	320	60
	100	350	230	190	160	150	32	8-Φ25	553	649	360	89
	125	400	270	220	188	176	36	8-Φ30	638	779	400	140
	150	450	340	280	240	204	38	8-Φ34	718	893	450	207
	200	550	405	345	300	260	44	12-Φ34	873	1100	560	325
	250	650	470	400	352	313	48	12-Φ41	1053	1332	840	467
	300	750	530	460	412	364	54	16-Φ41	1203	1535	640	590
	350	850	595	525	475	422	60	16-Φ41	1394	1863	720	681
	400	950	670	585	535	474	66	16-Φ48	1645	2070	800	972
	450	1050	670	630	570	524	70	20-Φ48	1903	2381	800	1269
	500	1150	800	705	640	576	70	20-Φ54	2285	2600	950	1606
	600	1350	890	795	730	678	76	20-Φ58	2601	3010	950	2123

Product Type	Nominal Diameter DN	PN10.0MPa										WT (Kg)
Product Type	Nominal Diameter DN	L	D	D1	D2	De	b	Z-Φd	H	H1	Do	WT (Kg)
Z41H-100 Z40H-100 Z41Y-100P Z40Y-100P Z41Y-100R Z40Y-100R Z41Y-100I Z40Y-100I KZ41Y-100 KZ40Y-100 Z540H-100 Z540Y-100P	40	240	165	125	95	76	26	4-Φ23	360	389	280	51
	50	250	195	145	112	88	28	4-Φ23	490	558	360	60
	65	280	220	170	138	110	32	8-Φ25	540	622	400	70
	80	310	230	180	148	121	34	8-Φ25	573	671	400	89
	100	350	265	210	172	150	38	8-Φ30	575	671	400	130
	125	400	310	250	210	176	42	8-Φ34	744	892	560	223
	150	450	350	290	250	204	46	12-Φ34	800	972	560	295
	200	550	430	360	312	260	54	12-Φ41	800	972	560	559
	250	650	500	430	382	313	60	12-Φ41	1050	1305	640	640
	300	750	585	500	442	364	70	16-Φ48	1208	1506	640	730
	350	850	655	560	498	422	76	16-Φ54	1410	1915	720	850
	400	950	715	620	558	474	80	16-Φ54	1655	2304	720	975

Looking for reliable valves without the long lead times?

YKY helps you cut costs and speed up projects with fully certified, customizable valves—backed by expert support and fast delivery to 30+ countries.
Start with your specs—we’ll handle design, testing, and delivery.

CONTACT US

Share your specs, flow media, and system type—
we’ll match a valve that fits.

GB Gate Valve

Product Technical Specifications

Valve Cross-Sectional View

Valve Cross-Sectional View

Main External and Connection Dimension

Unit: mm

Looking for reliable valves without the long lead times?

CONTACT US

Get a Free Quote

Get a Free Quote

Download Catalog