Dual-Plate Lug Check Valve

• Customization: Available
• Media: Oil
• Temperature: -196ºC ~ 540ºC
• Model NO.: Dual-plate lug 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"
FIgStd	ASME B16.5	ASME B16.47A(MSS SP44)	AWWA C207 ( Class E 275 PSI)

 

Dimensions& weights
Size	Pressure Rating	End facing	Dimensions					Pipe Flange					Weight (Kg)
			L	R	f	D2	D3	D1	Stud Quantity	Stud Diameter		Stud Length
			mm							in	mm	mm
2" (50)	150	RF	60	92	2	51	58	120.7	4	5/8	M16	140	4
	300	RF	60	92	2	51	58	127	8	5/8	M16	155	6
	600	RF/RTJ-23	60	92	7	51	58	127	8	5/8	M16	175/180	6.5
	900	RF/RTJ-24	70	92	7	50	55	165.1	8	7/8	M24	225/230	15
	1500	RF/RTJ-24	70	92	7	50	55	165.1	8	7/8	M24	225/230	15
	2500	RF/RTJ-26	70	92	7	45	50	171.4	8	1	M27	255/260	19
2 1/2" (65)	150	RF	67	105	2	65	73	139.7	4	5/8	M16	150	5.5
	300	RF	67	105	2	65	73	149.2	8	3/4	M20	175	7
	600	RF/RTJ-26	67	105	7	65	73	149.2	8	3/4	M20	195/200	8
	900	RF/RTJ-27	83	105	7	62	70	190.5	8	1	M27	250/255	23
	1500	RF/RTJ-27	83	105	7	62	70	190.5	8	1 1/8	M30	250/255	23
	2500	RF/RTJ-28	83	105	7	52	60	196.8	8	1 1/4	M33	290/310	32
3" (80)	150	RF	73	127	2	80	88	152.4	4	5/8	M16	160	7
	300	RF	73	127	2	80	88	168.3	8	3/4	M20	190	10
	600	RF/RTJ-31	73	127	7	80	88	168.3	8	3/4	M20	210/215	11
	900	RF/RTJ-31	83	127	7	76	88	190.5	8	7/8	M24	240/245	23
	1500	RF/RTJ-35	83	127	7	76	88	203.2	8	1 1/8	M30	270/275	25
	2500	RF/RTJ-32	86	127	7	65	85	228.6	8	1 1/4	M33	320/330	38
4" (100)	150	RF	73	157	2	102	108	190.5	8	5/8	M16	170	11
	300	RF	73	157	2	102	108	200	8	3/4	M20	195	16
	600	RF/RTJ-37	79	157	7	102	108	215.9	8	7/8	M24	235/240	22
	900	RF/RTJ-37	102	157	7	100	108	235	8	1 1/8	M30	285/290	42
	1500	RF/RTJ-39	102	157	7	100	108	241.3	8	1 1/4	M33	310/315	45
	2500	RF/RTJ-38	105	157	7	90	100	273	8	1 1/2	M39X3	370/380	69
5" (125)	150	RF	86	186	2	127	132	215.9	8	5/8	M16	190	15
	300	RF	86	186	2	127	132	235	8	3/4	M20	215	26
	600	RF/RTJ-41	105	186	7	127	132	292.1	8	1	M27	280/285	49
	900	RF/RTJ-41	110	186	7	125	130	279.4	8	1 1/4	M33	310/315	80
	1500	RF/RTJ-44	110	186	7	125	130	292.1	8	1 1/2	M39X3	370/375	95
	2500	RF/RTJ-42	110	186	7	110	120	323.8	8	1 3/4	M45X3	420/435	160
6" (150)	150	RF	98	216	2	152	160	241.3	8	3/4	M20	205	19
	300	RF	98	216	2	152	160	269.9	12	3/4	M20	230	32
	600	RF/RTJ-45	136	216	7	152	160	292.1	12	1	M27	320/325	65
	900	RF/RTJ-45	159	216	7	150	160	317.5	12	1 1/8	M30	365/370	105
	1500	RF/RTJ-46	159	216	7	150	160	317.5	12	1 3/8	M36X3	430/440	115
	2500	RF/RTJ-47	159	216	7	135	150	368.3	8	2	M52X3	515/530	185
8" (200)	150	RF	127	270	2	203	210	298.5	8	3/4	M20	240	36
	300	RF	127	270	2	203	210	330.2	12	7/8	M24	280	62
	600	RF/RTJ-49	165	270	7	200	210	349.2	12	1 1/8	M30	370/375	55
	900	RF/RTJ-49	206	270	7	200	210	393.7	12	1 3/8	M36X3	440/445	220
	1500	RF/RTJ-50	206	270	7	200	210	393.7	12	1 5/8	M42X3	510/520	230
	2500	RF/RTJ-51	206	270	7	180	190	438.2	12	2	M52X3	600/620	300
10" (250)	150	RF	146	324	2	254	265	362	12	7/8	M24	270	60
	300	RF	146	324	2	254	265	387.4	16	1	M27	315	82
	600	RF/RTJ-53	213	324	7	254	265	431.8	16	1 1/4	M33	440/445	185
	900	RF/RTJ-53	241	324	7	250	265	469.9	16	1 3/8	M36X3	490/495	280
	1500	RF/RTJ-54	248	324	7	240	260	482.6	12	1 7/8	M48X3	600/610	330
	2500	RF/RTJ-55	254	324	7	225	235	539.8	12	2 1/2	M64X3	750/775	485
12" (300)	150	RF	181	381	2	305	310	431.8	12	7/8	M24	310	115
	300	RF	181	381	2	305	310	450.8	16	1 1/8	M30	365	160
	600	RF/RTJ-57	229	381	7	305	310	489	20	1 1/4	M33	460/465	260
	900	RF/RTJ-57	292	381	7	305	310	533.4	20	1 3/8	M36X3	560/565	480
	1500	RF/RTJ-58	305	381	7	300	305	571.5	16	2	M52X3	690/715	600
	2500	RF/RTJ-60	305	381	7	270	280	619	12	2 3/4	M70X3	855/885	750
14" (350)	150	RF	184	413	2	350	360	476.3	12	1	M27	325	130
	300	RF	222	413	2	350	360	514.4	20	1 1/8	M30	410	260
	600	RF/RTJ-61	273	413	7	340	350	527	20	1 3/8	M36X3	520/525	390
	900	RF/RTJ-62	356	413	7	340	350	558.8	20	1 1/2	M39X3	645/655	720
	1500	RF/RTJ-63	356	413	7	330	340	635	16	2 1/4	M56X3	775/800	905
16" (400)	150	RF	191	470	2	400	410	539.8	16	1	M27	340	180
	300	RF	232	470	2	400	410	571.5	20	1 1/4	M33	435	342
	600	RF/RTJ-65	305	470	7	390	400	603.2	20	1 1/2	M39X3	575/580	520
	900	RF/RTJ-66	384	470	7	380	400	616	20	1 5/8	M42X3	685/695	780
	1500	RF/RTJ-67	384	470	7	370	390	704.8	16	2 1/2	M64X3	850/880	1100
18" (450)	150	RF	203	533	2	450	460	577.9	16	1 1/8	M30	365	205
	300	RF	264	533	2	450	460	628.6	24	1 1/4	M33	475	400
	600	RF/RTJ-69	362	533	7	440	450	654	20	1 5/8	M42X3	650/655	750
	900	RF/RTJ-70	451	533	7	430	440	685.8	20	1 7/8	M48X3	790/805	1180
	1500	RF/RTJ-71	468	533	7	420	440	774.7	16	2 3/4	M70X3	955/985	1700
20" (500)	150	RF	219	584	2	500	510	635	20	1 1/8	M30	365	280
	300	RF	292	584	2	500	510	685.8	24	1 1/4	M33	510	540
	600	RF/RTJ-73	368	584	7	490	500	723.9	24	1 5/8	M42X3	670/680	910
	900	RF/RTJ-74	451	584	7	490	500	749.3	20	2	M52X3	810/825	1600
	1500	RF/RTJ-75	533	584	7	460	480	831.8	16	3	M76X3	1065/1095	1280
24" (600)	150	RF	222	692	2	600	610	749.3	20	1 1/4	M33	405	330
	300	RF	318	692	2	600	610	812.8	24	1 1/2	M39X3	560	833
	600	RF/RTJ-77	438	692	7	590	600	838.2	24	1 7/8	M48X3	780/795	1150
	900	RF/RTJ-78	495	692	7	580	590	901.7	20	2 1/2	M64X3	945/965	1950
	1500	RF/RTJ-79	559	692	7	560	570	990.6	16	3 1/2	M90X3	1170/1210	3000
28" (700)	150	RF	305	800	2	685	690	863.6	28	1 1/4	M33	545	**
	300	RF	368	800	2	685	690	939.8	28	15/8	M42X3	650	**
	600	RF/RTJ-94	483	800	7	685	690	965.2	28	2	M52X3	850/865	**
	900	RF/RTJ-101	572	800	7	670	680	1022.4	20	3	M76X3	1080/1100	**
30" (750)	150	RF	305	857	2	735	750	914.4	28	1 1/4	M33	550	**
	300	RF	368	857	2	735	750	997	28	1 3/4	M45X3	665	**
	600	RF/RTJ-95	505	857	7	735	740	1022.4	28	2	M52X3	890/905	**
	900	RF/RTJ-102	635	857	7	715	730	1085.9	20	3	M76X3	1160/1180	**
32" (800)	150	RF	305	914	2	785	790	977.9	28	1 1/2	M39X3	570	**
	300	RF	368	914	2	785	790	1054.1	28	1 7/8	M48X3	685	**
	600	RF/RTJ-96	533	914	7	780	790	1079.5	28	2 1/4	M56X3	920/940	**
	900	RF/RTJ-103	660	914	7	760	780	1155.2	20	3 1/4	M84X3	1200/1220	**
36" (900)	150	RF	368	1022	2	885	890	1085.9	32	1 1/2	M39X3	650	**
	300	RF	483	1022	2	885	890	1168.4	32	2	M52X3	820	**
	600	RF/RTJ-98	635	1022	7	875	880	1193.8	28	2 1/2	M64X3	1050/1070	**
	900	RF/RTJ-105	718	1022	7	855	865	1289.1	20	3 1/2	M90X3	1290/1310	**
40" (1000)	150	RF	432	1124	2	980	990	1200.7	36	1 1/2	M39X3	720	**
	300	RF	546	1086	2	980	990	1155.7	32	1 5/8	M42X3	885	**
	600	RF	660	1111	7	980	985	1212.9	32	2 1/4	M56X3	1130	**
	900	RF	762	1162	7	950	965	1339.9	24	3 1/2	M90X3	1380	**
42" (1050)	150	RF	432	1194	2	1020	1040	1257.3	36	1 1/2	M39X3	730	**
	300	RF	568	1137	2	1020	1040	1206.5	32	1 5/8	M42X3	915	**
	600	RF	702	1168	7	1020	1030	1282.7	28	2 1/2	M64X3	1210	**
	900	RF	787	1213	7	995	1005	1390.7	24	3 1/2	M90X3	1440	**
48" (1200)	150	RF	524	1359	2	1170	1190	1422.4	44	1 1/2	M39X3	840	**
	300	RF	629	1302	2	1170	1180	1371.6	32	1 7/8	M48X3	1015	**
	600	RF	787	1334	7	1170	1170	1460.5	32	2 3/4	M70X3	1350	**
54" (1350)	150	RF	591	1511	2	1315	1330	1593.9	44	1 3/4	M45X3	950	**
	300	RF	718	1467	2	1315	1330	1549.4	28	2 1/4	M56X3	1160	**
60" (1500)	150	RF	660	1676	2	1460	1470	1759	52	1 3/4	M45X3	1040	**
	300	RF	838	1626	2	1460	1470	1701.8	32	2 1/4	M56X3	1310	**
66" (1650)	150	RF	**	**	**	**	**	**	**	**	**	**	**
72" (1800)	150	RF	**	**	**	**	**	**	**	**	**	**	**
78" (1950)	150	RF	**	**	**	**	**	**	**	**	**	**	**
84" (2100)	150	RF	**	**	**	**	**	**	**	**	**	**	**
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.