Slab Gate Valve

Product overview

It's suitable for industries such as natural gas, oil, chemical, urban construction, environmental protection. And the antisulfur series can be applied to the natural gas transportation pipeline which includes lots of corrosive substance such as some impurity and H2S.

Product Features

Totally–enclosed body equipped with steel stem protective cap is able to use in various environment such as sand etc.
Through–conduit & full bore, large flow and low flow–resistance design. Through–conduit body with guide orifice may allow pipeline cleaning by go–gauge.
Multi–level of upstream and downstream sealing structure may automatically release over pressure when pressure abnormally rises.
An extension pipe with diffusion & blow–down structure may guarantee maintenance operation during long–term buried.
Where active sealing structure equipped with oil seal can give emergency sealing to satisfy demands of long–term safety services.
Valve equipped with opening and closing indicator may directly indicate service conditions.
The part material, flange and butt weld end dimension may be selected according to current operating condition and users' requirement, so that meet the requirements of various engineering.

Administer Standard

Design Spec	Face to Face	Flange End	Inspection and Test	Pressure-Temp.	Marking
JB/T 5298; GB/T 19672	JB/T 5298	JB/T 79; HG/T 20592	GB/T 13927; GB/T 26480	GB 9131	GB/T 12220
API 6D	API 6D	ANSI B16.5	API 6D	ANSI B16.34	MSS SP-25

Pressure Test

(MPa)

Pressure Class	PN / Class	Shell (MPa)	Left Seal (MPa)	Right Seal (MPa)	Pressure Seal (MPa)	Suitable Temp (G Type °C)	Suitable Temp (D Type °C)	Suitable Temp (Ordinary °C)	Suitable Medium (Sour Service)	Suitable Medium (Basic)
Nominal Pressure	1.6	2.4	1.76	1.76	0.6	-29 ~ 250	-46 ~ 121	-29 ~ 121	Medium with H₂S + CO₂ total > 500 mg/m³	Water, Natural Gas, Oil
Nominal Pressure	2.5	3.75	2.75	2.75	0.6	-29 ~ 250	-46 ~ 121	-29 ~ 121	Medium with H₂S + CO₂ total > 500 mg/m³	Water, Natural Gas, Oil
Nominal Pressure	4.0	6.0	4.4	4.4	0.6	-29 ~ 250	-46 ~ 121	-29 ~ 121	Medium with H₂S + CO₂ total > 500 mg/m³	Water, Natural Gas, Oil
Nominal Pressure	6.4	9.6	7.04	7.04	0.6	-29 ~ 250	-46 ~ 121	-29 ~ 121	Medium with H₂S + CO₂ total > 500 mg/m³	Water, Natural Gas, Oil
Pound Class	150	3.0	2.2	2.2	0.6	-29 ~ 250	-46 ~ 121	-29 ~ 121	Medium with H₂S + CO₂ total > 500 mg/m³	Water, Natural Gas, Oil
Pound Class	300	7.7	5.6	5.6	0.6	-29 ~ 250	-46 ~ 121	-29 ~ 121	Medium with H₂S + CO₂ total > 500 mg/m³	Water, Natural Gas, Oil

Main Part Materials and Property

Part	WCB	WC6	A352-LCB	A351-CF8M
Body / Bonnet	WCB	WC6	A352-LCB	A351-CF8M
Wedge	2Cr13 + ENP	20CrMoV + STL	ANSI 410 + ENP	ANSI 316 + ENP
Stem	2Cr13	2Cr13	A182-F6a	A182-F316S
Seat	25 + PTFE	20CrMoV + STL	A105 + PTFE	A182-F316 + PTFE
Packing	NBR / FPM	Flexible Graphite	Flexible Graphite	PTFE + FPM
Gasket	Flexible Graphite (18-8)	Flexible Graphite (18-8)	Flexible Graphite (18-8)	Flexible Graphite (18-8)
Bolt	35	35CrMo	A193-B7M	A193-B8
Suitable Medium	Water, Oil, Steam	Steam, Oil	Propane, Ethylene	Nitric Acid

Through Conduit Slab Gate Valve

Main Dimension

Type: (K)Z43WF-16C (K)Z543WF-16C (K)Z643WF-16C (K)Z943WF-16C

DN	L	D	D1	D2	D6	b	N-Φd	H	D0	L2	H1	DA	Electric Actuator Code
50	178	160	125	100	-	16	4-Φ18	584	250	590	80	365	DZW10
65	190	180	145	120	-	18	4-Φ18	634	250	590	95	365	DZW10
80	203	195	160	135	-	20	8-Φ18	688	250	590	100	365	DZW10
100	229	215	180	155	-	20	8-Φ18	863	300	590	114	365	DZW15
125	254	245	210	185	-	22	8-Φ18	940	350	590	132	365	DZW20
150	267	280	240	210	-	24	8-Φ23	1030	350	590	150	365	DZW20
200	292	335	295	265	-	26	12-Φ23	1277	350	590	168	365	DZW20
250	330	405	355	320	-	30	12-Φ25	1491	400	810	203	470	DZW30
300	356	460	410	375	-	30	12-Φ25	1701	450	810	237	470	DZW30
350	381	520	470	435	-	34	16-Φ25	1875	500	810	265	470	DZW45
400	406	580	525	485	-	36	16-Φ30	2180	305	830	300	550	DZW90
450	432	640	585	545	-	40	20-Φ30	2440	305	830	325	550	DZW120
500	457	705	650	608	-	44	20-Φ34	2860	305	830	360	550	DZW120
600	508	840	770	718	-	48	20-Φ41/36	3450	305	870	425	320	DZW180
700	610	910	840	788	-	50	24-Φ41/36	3960	305	870	460	320	DZW250
800	660	1020	950	898	-	52	24-Φ41	4550	305	1170	512	570	DZW250
900	711	1120	1050	998	-	54	28-Φ41	5250	250	1170	565	570	DZW350
1000	811	1255	1170	1110	-	56	28-Φ48/42	5870	250	1170	630	570	DZW500

Type: (K)Z43WF-25C (K)Z543WF-25C (K)Z643WF-25C (K)Z943WF-25C

DN	L	D	D1	D2	D6	b	N-Φd	H	D0	L2	H1	DA	Electric Actuator Code
50	178	160	125	100	-	20	4-Φ18	584	250	590	80	365	DZW10
65	190	180	145	120	-	22	8-Φ18	634	300	590	95	365	DZW10
80	203	195	160	135	-	22	8-Φ18	688	350	590	100	365	DZW15
100	229	230	190	160	-	24	8-Φ23	863	350	590	114	365	DZW20
125	254	270	220	188	-	28	8-Φ25	940	350	590	132	365	DZW20
150	267	300	250	218	-	30	8-Φ25	1030	400	590	150	365	DZW20
200	292	360	310	278	-	34	12-Φ25	1277	450	810	168	470	DZW30
250	330	425	370	332	-	36	12-Φ30	1491	500	810	203	470	DZW30
300	356	485	430	390	-	40	16-Φ30	1701	305	810	237	470	DZW60
350	381	550	490	448	-	44	16-Φ34	1875	305	830	265	550	DZW90
400	406	610	550	505	-	48	16-Φ34/36	2180	305	830	300	550	DZW120
450	432	660	600	555	-	50	20-Φ34/36	2440	305	830	325	550	DZW120
500	457	730	660	610	-	52	20-Φ41/36	2860	305	870	360	320	DZW180
600	508	840	770	718	-	56	20-Φ41	3450	305	870	425	320	DZW250
700	610	955	875	815	-	60	24-Φ48/42	3960	305	870	460	320	DZW500
800	660	1070	990	930	-	64	24-Φ48	4550	305	1170	512	570	DZW500
900	711	1180	1090	1025	-	66	28-Φ54/48	5250	305	1170	595	570	DZW800
1000	811	1305	1210	1140	-	68	28-Φ58	5870	305	1170	660	570	DZW800

Type: (K)Z43WF-40C (K)Z543WF-40C (K)Z643WF-40C (K)Z943WF-40C

DN	L	D	D1	D2	D6	b	N-Φd	H	D0	L2	H1	DA	Electric Actuator Code
50	250	160	125	100	88	20	4-Φ18	584	250	590	80	365	DZW10
65	280	180	145	120	110	22	8-Φ18	634	250	590	95	365	DZW10
80	310	195	160	135	121	22	8-Φ18	679	250	590	102	365	DZW15
100	350	230	190	160	150	24	8-Φ23	863	300	590	115	365	DZW20
125	400	270	220	188	176	28	8-Φ25	940	350	590	133	365	DZW20
150	450	300	250	218	204	30	8-Φ25	1040	350	810	152	470	DZW30
200	550	375	320	282	260	38	12-Φ30	1282	350	810	188	470	DZW30
250	650	445	385	345	313	42	12-Φ34	1495	400	810	223	470	DZW45
300	750	510	450	408	364	46	16-Φ34	1701	450	830	250	550	DZW60
350	850	570	510	465	422	52	16-Φ34/36	1880	500	830	280	550	DZW90
400	950	655	585	535	474	58	16-Φ41	2200	305	870	310	320	DZW120
450	1050	680	610	560	524	60	20-Φ41	2480	305	-	335	-	-
500	1150	755	670	612	576	62	20-Φ48/42	2890	305	870	380	320	DZW250
600	1350	890	795	730	676/678	62	20-Φ54/48	3460	305	1170	450	570	DZW350
700	1450	995	900	835	768/768	68	24-Φ54/48	3985	305	1170	500	570	DZW500
800	1650	1135	1030	960	883/876	76	24-Φ58	4750	305	1060	570	500	DZW800

Type: (K)Z43WF-64C (K)Z543WF-64C (K)Z643WF-64C (K)Z943WF-64C

DN	L	D	D1	D2	D6	b	N-Φd	H	D0	L2	H1	DA	Electric Actuator Code
50	250	175	135	105	88	26	4-Φ23	584	250	590	90	365	DZW10
65	280	200	160	130	110	28	8-Φ23	634	250	590	105	365	DZW10
80	310	210	170	140	121	30	8-Φ23	679	250	590	110	365	DZW20
100	350	250	200	168	150	32	8-Φ25	763	300	590	130	365	DZW20
125	400	295	240	202	176	36	8-Φ30	970	350	590	150	365	DZW30
150	450	340	280	240	204	38	8-Φ34	1038	350	810	175	470	DZW30
200	550	405	345	300	260	44	12-Φ34/36	1282	350	810	210	470	DZW60
250	650	470	400	352	313	48	12-Φ41/36	1495	400	830	240	550	DZW90
300	750	530	460	412	364	54	16-Φ41/36	1965	450	830	270	550	DZW90
350	850	595	525	475	422	60	16-Φ41	2185	500	870	300	320	DZW120
400	950	670	585	525	474	66	16-Φ48/42	2573	305	870	335	320	DZW180
450	1050	715	630	570	524	68	20-Φ48	2800	305	-	360	-	-
500	1150	800	705	640	576	70	20-Φ54/48	3280	305	1170	405	570	DZW250
600	1350	930	820	750	676/678	76	20-Φ58	3800	305	1170	470	570	DZW500

Type: (K)Z43WF-100C (K)Z543WF-100C (K)Z643WF-100C (K)Z943WF-100C

DN	L	D	D1	D2	D6	b	N-Φd	H	D0	L2	H1	DA	Electric Actuator Code
50	250	195	145	112	88	28	4-Φ25	590	250	590	100	365	DZW15
65	280	220	170	138	110	32	8-Φ25	640	250	590	115	365	DZW20
80	310	230	180	148	121	34	8-Φ25	680	250	590	120	365	DZW20
100	350	265	210	172	150	38	8-Φ30	870	300	810	135	470	DZW30
125	400	310	250	210	176	42	8-Φ34	980	350	810	155	470	DZW45
150	450	350	290	250	204	46	12-Φ34	1100	350	830	180	550	DZW60
200	550	430	360	312	260	54	12-Φ41/36	1315	350	830	220	550	DZW90
250	650	500	430	382	313	60	12-Φ41	1605	400	870	255	320	DZW120
300	750	585	500	442	364	70	16-Φ48/42	1925	450	870	295	320	DZW180
350	850	665	560	498	422	76	16-Φ54/48	2280	500	1170	335	570	DZW250
400	950	715	620	558	474	80	16-Φ54/48	2580	305	1170	360	570	DZW500

Non-Through Conduit Slab Gate Valve