Sulfur resistant gate valve

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Product introduction

Product description

Compact structure, reasonable design, good valve rigidity, smooth channel and small flow resistance coefficient. The sealing surface is made of stainless steel and cemented carbide, with long service life, flexible graphite packing, reliable sealing, light and flexible operation, split driving mode, electric, pneumatic, gear power transmission, structural type, elastic wedge single ram, rigid wedge single ram and double ram, which are widely applicable to petrochemical, thermal power plants and other oil products, The steam pipeline is used as the opening and closing device to connect or cut off the medium in the pipeline

Main performance specifications

Test pressure
Nominal pressure PN(MPA）	housing	Experimental pressure（MPA）
Nominal pressure PN(MPA）	housing	Sealing fluid	Seal gas	Upper 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	7.0	0.6	7.0
10.0	15.0	11.0	0.6	11.0
16.0	24.0	18.0	0.6	18.0

Scope of application
Shell material	Applicable media	Applicable temperature（℃）
Carbon steel (type C)	Water，steam, oil	≤425
	Nitric acid	≤200
	Acetic acid	≤200
	Water，steam, oil	≤550

Material of main parts
Valve body bonnet	Valve plate seat	Valve stem	Stem nut	filler	handwheel
carbon steel	High quality carbon steel, cemented carbide or stainless steel	Chrome stainless steel	Aluminum bronze	Graphite asbestos packing	malleable iron
Chromium nickel titanium steel	Stainless steel and cemented carbide	Chromium nickel titanium stainless steel	Aluminum bronze	Impregnated polytetrafluoroethylene	malleable iron
Chromium nickel molybdenum titanium steel	Stainless steel and cemented carbide	Chromium molybdenum titanium stainless steel	Aluminum bronze	Asbestos packing	malleable iron
Chromium molybdenum steel	Alloy steel and cemented carbide	Cr Mo al steel	Aluminum bronze	Flexible graphite	malleable iron

Sulfur resistant gate valve

Main overall dimensions

Nominal diameter	Main overall dimensions and connection dimensions (MM)
Nominal diameter	L	D	D1	D2	D6	B	F	F2	Z-D	H	H1	D0	weight（KG）
	KZ40H KZ41Y_40	KZ40 KZ41 Y-40P	KZ40 KZ41 Y-40R	KZ40 KZ41 W-40P	KZ40 KZ41 Y-40P					KZ40 Y
20	150	105	75	55	51	16	2	4	4-14	256	285	140	8
25	160	115	85	65	58	16	2	4	4-14	275	305	160	9.3
32	180	135	100	78	66	18	2	4	4-18	287	322	180	12
40	200	145	110	85	76	18	3	4	4-18	323	369	200	16.5
50	250	160	125	100	88	20	3	4	4-18	372	440	280	29
65	280	180	145	120	110	22	3	4	8-18	395	473	280	39
80	310	195	160	135	121	22	3	4	8-18	457	552	320	52
100	350	230	190	160	150	24	3	4.5	8-23	552	671	360	80
125	400	270	220	188	150	28	3	4.5	8-25	634	726	400	127
150	450	300	250	218	176	30	3	4.5	8-25	708	883	400	154
200	550	375	320	282	204	38	3	4.5	12-30	858	1086	450	263
250	650	445	385	345	260	42	3	4.5	12-34	1015	1298	560	368
300	750	510	450	408	313	46	4	4.5	16-34	1203	1535	640	547
350	850	570	510	465	364	52	4	5	16-34	1314	1678	640	679
400	950	660	585	535	422	58	4	5	16-41	1492	1903	720	953

	KZ40H KZ41Y_64	KZ40 KZ41 Y-64P	KZ40 KZ41 Y-64R	KZ40 KZ41 W-64P	KZ40 KZ41 W-64P	K40 K41 Y-64I				KZ41 Y
20	190	125	90	68	51	40	2	4	4-18	258	288	180	8
25	210	135	100	78	58	22	2	4	4-18	310	341	200	12
32	230	150	110	82	66	24	2	4	4-φ23	320	353	200	25
40	240	165	125	95	76	24	3	4	4-φ23	360	389	240	29
50	250	175	135	105	88	26	3	4	4-φ23	372	448	280	34
65	280	20	160	130	110	28	3	4	8-φ23	395	475	280	43
80	310	210	170	140	121	30	3	4	8-φ23	458	553	320	60
100	350	250	200	168	150	32	3	4.5	8-φ25	553	679	360	89
125	400	295	240	202	176	36	3	4.5	8-φ30	638	779	400	140
150	450	340	280	240	204	38	3	4.5	8-φ34	718	893	450	207
200	550	405	345	300	260	44	3	4.5	12-φ34	873	1100	560	325
250	650	470	400	352	313	48	3	4.5	12-φ41	1053	1332	640	467
300	750	530	460	412	364	54	4	4.5	16-φ41	1203	1535	640	590

	KZ40H KZ41Y_100	KZ40 KZ41 Y-100P	KZ40 KZ41 Y-100R	KZ40 KZ41 W-100P	KZ40 KZ41 W-100P	K40 K41 Y-100I				KZ41 Y
25	210	135	100	78	58	24	2	4	4-18	310	341	200	12
32	230	150	110	82	66	24	2	4	4-18	320	535	240	20
40	240	160	125	95	76	26	3	4	4.23	360	389	280	51
50	250	195	145	112	88	28	3	4	4-23	490	558	360	60
65	280	220	170	138	110	32	3	4	8-25	540	622	400	70
80	310	230	180	148	121	34	3	4	8-25	573	671	400	89
100	350	265	210	172	150	38	3	4.5	8-30	575	671	400	130
125	400	310	250	210	176	42	3	4.5	8-34	744	892	560	223
150	450	350	290	250	204	46	3	4.5	12-34	800	972	560	295
200	550	430	360	312	260	54	3	4.5	12-41	800	972	640	559
250	650	500	430	382	313	60	3	4.5	12-41	1050	1305	640	640
300	750	585	500	442	364	70	4	4.5	16-48	1208	1506	640	730

	KZ40H KZ41Y_160	KZ40 KZ41 Y-160P	KZ40 KZ41 Y-160R	KZ40 KZ41 W-160R	KZ40 KZ41 W-160P	K40 K41 Y-160I				KZ41 Y
15	170	110	75	52	40	24	2	4	4-18	230	250	200	8
20	190	130	90	62	51	26	2	4	4-23	260	288	200	9
25	210	140	100	72	58	28	2	4	4-23	280	310	280	13
32	230	165	115	82	66	30	2	4	4-25	312	350	320	20
40	240	175	125	92	76	32	3	4	4-25	350	395	320	32
50	300	215	165	132	88	36	3	4	4-27	512	612	360	73
65	340	245	190	152	110	44	3	4	8-25	560	677	360	110
80	390	260	205	168	121	46	3	4	8-30	585	686	400	141
100	450	300	240	200	150	48	3	4.5	8-30	631	751	450	185
125	525	355	285	238	176	60	3	4.5	8-41	723	868	560	320
150	600	390	318	270	204	66	3	4.5	12-41	820	997	640	462
200	750	480	400	345	250	78	3	4.5	12-48	990	1224	720	711

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Sulfur resistant gate valve

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