Metal Seal Triple Offset Butterfly Valve

Triple Offset Design:

Offset 1: The valve spindle is positioned behind the seat spindle.

Offset 2: The center of the spindle is offset from the centerline of the pipeline and the valve.

Offset 3: The seat cone shaft is offset from the centerline of the valve shaft.

Main Features:

1.Triple eccentric design for sealing zero leakage.

2.Bi-directional flowing medium & metal-to-metal sealing.

3.Laminated disc seal: The elastic seal is curved and energetic, achieve tight closing in both directions. Self-aligning: expansion due to temperature fluctuations.

4.High quality sealing effect & longer service life.

5.Small installation dimension, small opening/closing torque, small fluid resistance.

6.Range of working temperature: -45℃~538℃, valve body/disc material such as CS/SS304/SS316/AS can be chosen according to working conditions.

7.Connecting type: Flange, BW, Threaded connection.

8.Application: Petroleum and petrochemical, metallurgy, chemical industry, electric power, gas, water conservancy, municipal administration, and construction industries, etc.

Technical Parameters:

D343H-25/40C DN50~DN1600 Dimensions
DN	L	2.5MPa
		Flange Size							Dimension
		D	D1	D2		b	z-Φd	Z-W	H0	H	A	B	G
50	108	165	125	102	3	20	4-Φ18		82.5	195	50	144	180
65	112	185	145	122	3	22	8-Φ18		92.5	215	50	144	180
80	114	200	160	138	3	24	8-Φ18		100	215	50	144	180
100	127	235	190	162	3	24	8-Φ22		117.5	235	50	144	180
125	140	270	220	188	3	26	8-Φ26		135	290	63	200	300
150	140	300	250	218	3	28	8-Φ26		180	310	63	200	300
200	152	360	310	278	3	30	8-Φ26	4-M24	185	370	80	230	350
250	165	425	370	335	3	32	8-Φ30	4-M27	215	397	80	230	350
300	178	485	430	395	4	34	12-Φ30	4-M27	250	455	125	260	400
350	190	555	490	450	4	38	12-Φ33	4-M30	285	495	125	260	400
400	216	620	550	505	4	40	12-Φ36	4-M33	330	535	125	370	400
450	222	670	600	555	4	46	16-Φ36	4-M33	345	560	125	370	400
500	229	730	660	615	4	48	16-Φ36	4-M33	390	620	160	398	500
600	267	845	770	720	5	58	16-Φ39	4-M36	445	685	200	418	600
700	292	960	875	820	5	50	20-Φ42	4-M39	545	750	200	418	600
800	318	1085	990	930	5	54	20-Φ48	4-M45	625	870	263	510	700
900	330	1185	1090	1030	5	58	24-Φ48	4-M45	685	965	263	510	700
1000	410	1320	1210	1140	5	62	24-Φ56	4-M52	755	1040	263	510	700
1200	470	1530	1420	1350	5	70	28-Φ56	4-M52	860	1180	333	550	800
1400	530	1755	1640	1560	5	76	32-Φ62	4-M56	1020	1365	374	590	900
1600	600	1975	1860	1780	5	84	36-Φ62	4-M56	1190	1580	374	590	900
DN	L	4.0MPa
		Flange Size							Dimension
		D	D1	D2	f	b	z-Φd	Z-W	H0	H	A	B	G
50	108	165	125	102	3	20	4-Φ18		82.5	195	50	144	180
65	112	185	145	122	3	22	8-Φ18		92.5	210	50	144	180
80	114	200	160	138	3	24	8-Φ18		100	230	50	144	180
100	127	235	190	162	3	24	8-Φ22		117.5	250	50	144	180
125	140	270	220	188	3	26	8-Φ26		135	295	63	200	300
150	140	300	250	218	3	28	8-Φ26		215	340	80	230	350
200	152	375	320	285	3	34	12-Φ30		220	390	80	230	350
250	165	450	385	345	3	38	8-Φ33	4-M30	265	485	125	260	400
300	178	515	450	310	4	42	12-Φ33	4-M30	290	490	125	260	400
350	190	580	510	465	4	46	12-Φ36	4-M33	310	540	125	370	400
400	216	660	585	535	4	50	12-Φ39	4-M36	340	620	160	398	500
450	222	685	610	560	4	57	16-Φ39	4-M36	390	645	200	418	600
500	229	755	670	615	4	57	16-Φ42	4-M39	415	670	200	418	600
600	267	890	795	735	5	72	16-Φ48	4-M45	500	740	200	418	600
700	292	995	900	840	5	64	20-Φ48	4-M45	580	900	263	510	700
800	318	1140	1030	960	5	72	20-Φ56	4-M52	665	975	333	550	800
900	330	1250	1140	1070	5	76	24-Φ56	4-M52	690	1010	333	550	800
1000	410	1360	1250	1180	5	80	24-Φ56	4-M52	755	1090	333	550	800
1200	470	1575	1460	1380	5	88	28-Φ62	4-M56	950	1365	374	590	900
1400	530	1795	1680	1600	5	98	32-Φ62	4-M56	1090	1475	453	635	1000
1600	600

Metal Seal Triple Offset Butterfly Valve

Triple Offset Design:

Main Features:

Technical Parameters:

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