Dual-Plate Wafer Check Valve

• Customization: Available
• Media: Oil
• Temperature: -196ºC ~ 540ºC
• Model NO.: Dual-plate wafer check valve
• Connection Form: Flange
• Pressure: Pn1~Pn42(Class150~Class2500)
• Standard: API
• Application: Industrial Usage, Water Industrial Usage
• Design and Manufacture: API594, API6d, Jb/T8937
• Structure Length: API594, API6d, Jb/T8937
• Piping Flange: Jb/T74~90, GB/T13402, GB/T9112~9124, etc.
• Pressure-Temperature Rating: Jb/T74, GB/T9124, Hg20604~20625, ASME B16.34, etc.
• Test and Inspection: API598, Jb/T9092
• Transport Package: Plywood
• Specification: DN15~DN1200(1/2" ~48")
• Trademark: OEM
• Origin: China
• HS Code: 84818090
• Production Capacity: 270, 000/Year

Product Description

  

Size	2"-24"	26"-60"	66"-144"
FlgStd	ASME B16.5	ASME B16.47 A(MSS SP44)	AWWA C207(Class E 275 PSI)

 

Dimensions & weighs
Size	Pressure  Rating	End facing	Dimensions				Pipe Flange					Weight (Kg)
			L	D	D2	D3	D1	Stud Quantity	Stud Diameter		Stud Length
			mm						in	mm	mm
2" (50)	150	RF	60	103	51	58	120.7	4	5/8	M16	140	2
	300	RF	60	110	51	58	127	8	5/8	M16	155	3
	600	RF/RTJ-23	60	110	51	58	127	8	5/8	M16	175/180	3
	900	RF/RTJ-24	70	140	50	55	165.1	8	7/8	M24	225/230	8
	1500	RF/RTJ-24	70	140	50	55	165.1	8	7/8	M24	225/230	8
	2500	RF/RTJ-26	70	143	45	50	171.4	8	1	M27	255/260	9
2 1/2" (65)	150	RF	67	122	65	73	139.7	4	5/8	M16	150	3
	300	RF	67	128	65	73	149.2	8	3/4	M20	175	4
	600	RF/RTJ-26	67	128	65	73	149.2	8	3/4	M20	195/200	5
	900	RF/RTJ-27	83	162	62	70	190.5	8	1	M27	250/255	11
	1500	RF/RTJ-27	83	162	62	70	190.5	8	11/8	M30	250/255	11
	2500	RF/RTJ-28	83	166	52	60	196.8	8	1 1/4	M33	290/310	13
3" (80)	150	RF	73	135	80	88	152.4	4	5/8	M16	160	4
	300	RF	73	147	80	88	168.3	8	3/4	M20	190	6
	600	RF/RTJ-31	73	147	80	88	168.3	8	3/4	M20	210/215	7
	900	RF/RTJ-31	83	165	76	88	190.5	8	7/8	M24	240/245	12
	1500	RF/RTJ-35	83	172	76	88	203.2	8	1 1/8	M30	270/275	13
	2500	RF/RTJ-32	86	194	65	85	228.6	8	11/4	M33	320/330	19
4" (100)	150	RF	73	173	102	108	190.5	8	5/8	M16	170	6
	300	RF	73	179	102	108	200	8	3/4	M20	195	8
	600	RF/RTJ-37	79	191	102	108	215.9	8	7/8	M24	235/240	11
	900	RF/RTJ-37	102	204	100	108	235	8	1 1/8	M30	285/290	19
	1500	RF/RTJ-39	102	207	100	108	241.3	8	1 1/4	M33	310/315	24
	2500	RF/RTJ-38	105	232	90	100	273	8	11/2	M39X3	370/380	32
5" (125)	150	RF	86	195	127	132	215.9	8	5/8	M16	190	9
	300	RF	86	214	127	132	235	8	3/4	M20	215	13
	600	RF/RTJ-41	105	239	127	132	292.1	8	1	M27	280/285	20
	900	RF/RTJ-41	110	245	125	130	279.4	8	1 1/4	M33	310/315	33
	1500	RF/RTJ-44	110	252	125	130	292.1	8	11/2	M39X3	370/375	35
	2500	RF/RTJ-42	110	277	110	120	323.8	8	13/4	M45X3	420/435	47
6" (150)	150	RF	98	220	152	160	241.3	8	3/4	M20	205	9
	300	RF	98	249	152	160	269.9	12	3/4	M20	230	13
	600	RF/RTJ-45	136	265	152	160	292.1	12	1	M27	320/325	30
	900	RF/RTJ-45	159	286	150	160	317.5	12	1 1/8	M30	365/370	48
	1500	RF/RTJ-46	159	280	150	160	317.5	12	13/8	M36X3	430/440	60
	2500	RF/RTJ-47	159	315	135	150	368.3	8	2	M52X3	515/530	86
8" (200)	150	RF	127	277	203	210	298.5	8	3/4	M20	240	24
	300	RF	127	305	203	210	330.2	12	7/8	M24	280	32
	600	RF/RTJ-49	165	318	200	210	349.2	12	11/8	M30	370/375	55
	900	RF/RTJ-49	206	356	200	210	393.7	12	13/8	M36X3	440/445	85
	1500	RF/RTJ-50	206	350	200	210	393.7	12	15/8	M42X3	510/520	130
	2500	RF/RTJ-51	206	385	180	190	438.2	12	2	M52X3	600/620	170
10" (250)	150	RF	146	337	254	265	362	12	/8	M24	270	36
	300	RF	146	359	254	265	387.4	16	1	M27	315	51
	600	RF/RTJ-53	213	398	254	265	431.8	16	1 1/4	M33	440/445	110
	900	RF/RTJ-53	241	432	250	265	469.9	16	13/8	M36X3	490/495	180
	1500	RF/RTJ-54	248	433	240	260	482.6	12	17/8	M48X3	600/610	220
	2500	RF/RTJ-55	254	474	225	235	539.8	12	21/2	M64X3	750/775	240
12" (300)	150	RF	181	407	305	310	431.8	12	7/8	M24	310	60
	300	RF	181	420	305	310	450.8	16	1 1/8	M30	365	78
	600	RF/RTJ-57	229	455	305	310	489	20	1 1/4	M33	460/465	150
	900	RF/RTJ-57	292	495	300	305	533.4	20	13/8	M36X3	560/565	270
	1500	RF/RTJ-58	305	518	300	305	571.5	16	2	M52X3	690/715	390
	2500	RF/RTJ-60	305	547	270	280	619	12	23/4	M70X3	855/885	450
14" (350)	150	RF	184	448	350	355	476.3	12	1	M27	325	85
	300	RF	222	483	350	355	514.4	20	1 1/8	M30	410	135
	600	RF/RTJ-61	273	490	340	350	527	20	13/8	M36X3	520/525	215
	900	RF/RTJ-62	356	518	340	350	558.8	20	1 1/2	M39X3	645/655	350
	1500	RF/RTJ-63	356	576	330	340	635	16	21/4	M56X3	775/800	570
16" (400)	150	RF	191	512	400	405	539.8	16	1	M27	340	120
	300	RF	232	537	400	405	571.5	20	1 1/4	M33	435	185
	600	RF/RTJ-65	305	562	390	400	603.2	20	1 1/2	M39X3	575/580	320
	900	RF/RTJ-66	384	572	380	400	616	20	15/8	M42X3	685/695	470
	1500	RF/RTJ-67	384	639	370	390	704.8	16	21/2	M64X3	850/880	750
18" (450)	150	RF	203	547	450	455	577.9	16	11/8	M30	365	140
	300	RF	264	594	450	455	628.6	24	1 1/4	M33	475	230
	600	RF/RTJ-69	362	610	440	450	654	20	15/8	M42X3	650/655	390
	900	RF/RTJ-70	451	635	430	440	685.8	20	17/8	M48X3	790/805	605
	1500	RF/RTJ-71	468	701	420	440	774.7	16	23/4	M70X3	955/985	1000
20" (500)	150	RF	219	604	500	505	635	20	1 1/8	M30	365	160
	300	RF	292	652	500	505	685.8	24	1 1/4	M33	510	300
	600	RF/RTJ-73	368	680	490	500	723.9	24	15/8	M42X3	670/680	520
	900	RF/RTJ-74	451	695	490	500	749.3	20	2	M52X3	810/825	820
	1500	RF/RTJ-75	533	752	460	480	831.8	16	3	M76X3	1065/1095	1280
24" (600)	150	RF	222	715	600	605	749.3	20	1 1/4	M33	405	250
	300	RF	318	772	600	605	812.8	24	1 1/2	M39X3	560	430
	600	RF/RTJ-77	438	786	590	600	838.2	24	17/8	M48X3	780/795	780
	900	RF/RTJ-78	495	835	580	590	901.7	20	21/2	M64X3	945/965	1050
	1500	RF/RTJ-79	559	898	560	570	990.6	16	31/2	M90X3	1170/1210	1950
28" (700)	150	RF	305	827	685	690	863.6	28	1 1/4	M33	545	390
	300	RF	368	895	685	690	939.8	28	15/8	M42X3	650	680
	600	RF/RTJ-94	483	910	685	690	965.2	28	2	M52X3	850/865	1250
	900	RF/RTJ-101	572	943	670	680	1022.4	20	3	M76X3	1080/1100	1700
30" (750)	150	RF	305	878	740	740	914.4	28	11/4	M33	550	440
	300	RF	368	949	735	740	997	28	13/4	M45X3	665	700
	600	RF/RTJ-95	505	967	735	740	1022.4	28	2	M52X3	890/905	1550
	900	RF/RTJ-102	635	1006	715	730	1085.9	20	3	M76X3	1160/1180	2000
32" (800)	150	RF	305	935	785	790	977.9	28	1 1/2	M39X3	570	530
	300	RF	368	1003	785	790	1054.1	28	17/8	M48X3	685	760
	600	RF/RTJ-96	533	1020	780	790	1079.5	28	21/4	M56X3	920/940	1800
	900	RF/RTJ-103	660	1070	760	780	1155.7	20	31/4	M84X3	1200/1220	2200
36" (900)	150	RF	368	1045	885	890	1085.9	32	11/2	M39X3	650	700
	300	RF	483	1113	885	890	1168.4	32	2	M52X3	820	1180
	600	RF/RTJ-98	635	1126	875	880	1193.8	28	2 1/2	M64X3	1050/1070	2200
	900	RF/RTJ-105	718	1195	855	865	1289.1	20	3 1/2	M90X3	1290/1310	2800
40" (1000)	150	RF	432	1158	980	990	1200.2	36	1 1/2	M39X3	720	920
	300	RF	546	1110	980	990	1155.7	32	15/8	M45X3	885	1480
	600	RF	660	1153	980	985	1212.9	32	21/4	M56X3	1130	2600
	900	RF	762	1246	950	965	1339.9	24	31/2	M90X3	1380	3200
42" (1050)	150	RF	432	1213	1020	1040	1257.3	36	11/2	M39X3	730	980
	300	RF	568	1161	1020	1040	1206.5	32	15/8	M45X3	915	1600
	600	RF	702	1215	1020	1030	1282.7	28	2 1/2	M64X3	1210	2900
	900	RF	787	1296	995	1005	1390.7	24	3 1/2	M90X3	1440	3540
48" (1200)	150	RF	524	1397	1170	1080	1422.4	44	1 1/2	M39X3	840	1580
	300	RF	629	1320	1170	1180	1371.6	32	17/8	M48X3	1015	2250
	600	RF	787	1386	1170	1170	1460.5	32	23/4	M70X3	1350	4050
54" (1350)	150	RF	591	1545	1315	1330	1593.9	44	13/4	M42X3	950	2480
	300	RF	718	1489	1315	1330	1549.4	28	21/4	M56X3	1160	3200
60" (1500)	150	RF	660	1710	1460	1470	1759	52	13/4	M42X3	1040	3500
	300	RF	838	1642	1460	1470	1701.8	32	2 1/4	M56X3	1310	4800
66" (1650)	150	RF	787	1881	1630	1640	1930.4	52	13/4	M45X3	1080	**
72" (1800)	150	RF	851	2046	1780	1790	2095.5	60	13/4	M45X3	1150	**
78" (1950)	150	RF	927	2204	1930	1940	2260.6	64	2	M52X3	1250	**
84" (2100)	150	RF	1041	2369	2080	2090	2425.7	64	2	M52X3	1370	**
90"-144" (2250-3600)	150	RF	**	**	**	**	**	**	**	**	**	**

We are a company with 20 years of production and sales experience. 

We mainly provide safe and reliable  API ,JIS ,DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids. 
We are a company with 20 years of production and sales experience. We mainly provide safe and reliable API, JIS, DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids.

Have API6D, CE, ISO certificate.
Our group total have about 300 employees. It is a integrated high-tech enterprise which includes casting and production, export safety process service.

· Casting room: 8 casting line, 20,000 square. 2,000 Ton / Year
· Workshop: 40,000 square meters, 270,000 Valves / Year( Including The automatic production line for flange ball valves 5,000 square, 500 PCS / Day )
· Stock : 30 Millon RMB SS valve

Our main customers are distributors and wholesalers at all levels. The main materials are WCB, CF8, CF8M, CF3, CF3M, Duplex, Brass, cast iron, pressure from 150LB to 2,500LB. PN16 - PN160, 10K, 20K, Caliber 1/2″-40", connection method RF, RTJ, FF, BW, etc.Mainly we export to Brazil, Chile, Ecuador Vietnam, Turkey, Russian, Ukraine, Peru, Mexico, Romania, Czech Republic and other countries.

Company purpose: To provide reliable, efficient and flexible service, adhere to high quality, low price, fast delivery, professional quality control and good after-sales service attitude! Our goal is to become a reliable supplier of products in the petroleum industry.