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Triple Eccentric Flange Butterfly Valve

The triple eccentric flange butterfly valve has three eccentricities. The first eccentric shaft deviates from the center line of the sealing surface, the second eccentric shaft deviates from the center line of the pipeline and the valve, and the third is the angle between the unique eccentric valve seat and the center of the pipeline.

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Product Description

Main Features of the Product

Key Features	● Anti-blow-out stem design – safe & reliable. ● Stem position indicator + top mounting flange for easy position feedback. ● Torque-sealed construction guarantees sustained bi-directional zero-leakage performance.
Connection Ends	Flanged (FLG)
Operation	Lever, Gear, Electric, Pneumatic, etc.
Main Materials	WCB, 304, 316, CF8, CF8M, 2205, Alloy 20, …
Sealing Materials	Soft seat (EPDM, NBR, PTFE, …) or Metal-to-Metal
Applications	Solvents, acids, water, natural gas and other severe / demanding services
Design & Manufacture	API 609
Face-to-Face	API 609 / ASME B16.10
Flange Ends	≤24" per ANSI B16.5; ＞24" per ANSI B16.47 Series B
Inspection & Testing	API 598
Leakage Class	Zero Leakage
Pressure Rating	150 LB – 900 LB
Size Range	2" – 60"

Main Advantage of the Product

1. Excellent sealing performance;

2. Reduced wear and extended service life;

3. Low fluid resistance;

4. High operational flexibility;

5. Wide range of applications;

6. Quick opening and closing.

Technical Specifications

Triple Eccentric Flange Butterfly Valve

Main Dimension: 150LB&300LB

Diameter		150 LB								300LB
Inch	mm	L	H	H1	D	D1	D2	Z-ød	b×f	L	H	H1	D	D1	D2	Z-ød	b×f
2	50	108	300	210	150	120.5	92	4-19	18×2	108	385	240	165	127	92	8-19	23×2
2½	65	112	320	220	180	139.5	105	4-19	20×2	112	400	250	190	149	105	8-22	26×2
3	80	114	340	230	190	152.5	127	4-19	22×2	114	410	260	210	168.5	127	8-22	29×2
4	100	127	400	265	230	190.5	157	8-19	24×2	127	420	270	255	200	157	8-22	32×2
5	125	140	480	325	255	216	186	8-22	24×2	140	530	345	280	235	186	8-22	35×2
6	150	140	530	345	280	241.5	216	8-22	26×2	140	590	380	320	270	216	12-22	37×2
8	200	152	620	395	345	298.5	270	8-22	29×2	152	650	410	380	330	270	12-26	42×2
10	250	165	680	425	405	362	324	12-25	31×2	165	750	470	445	387.5	324	16-29	48×2
12	300	178	800	495	485	432	381	12-25	32×2	178	860	545	520	451	381	16-32	51×2
14	350	190	880	555	535	476	413	12-29	35×2	190	940	590	585	514.5	413	20-32	54×2
16	400	216	950	590	595	540	470	16-29	37×2	216	990	640	650	571.5	470	20-35	58×2
18	450	222	1000	630	635	578	533	16-32	40×2	222	1100	690	710	628.5	533	24-35	61×2
20	500	229	1100	680	700	635	584	20-32	43×2	229	1200	740	755	686	584	24-35	64×2
24	600	267	1230	750	815	749.5	692	20-35	48×2	267	1360	850	915	813	692	24-41	70×2
28	700	292	1260	770	835	795.3	762	40-22	43.0×2	430	1410	980	920	857.2	787	36-36	87.4×2
30	750	318	1350	820	885	846.1	813	44-22	43.0×2	450	1495	1010	990	920.8	845	36-39	92.1×2
32	800	318	1400	850	940	900.1	864	48-22	44.6×2	470	1535	1080	1055	977.9	902	32-42	101.6×2
36	900	330	1550	930	1055	1009.6	972	44-26	50.9×2	510	1585	1110	1170	1089.0	1010	32-45	101.6×2
40	1000	410	1650	980	1175	1120.8	1080	44-30	54.1×2	550	1605	1150	1275	1190.6	1114	40-45	114.3×2
44	1100	450	1850	1100	1275	1222.4	1181	52-30	58.9×2	590	2100	1380	1385	1295.4	1219	40-48	125.5×2
48	1200	470	1950	1150	1390	1335.1	1289	44-33	63.6×2	630	2270	1410	1510	1416.0	1327	40-51	127.0×2
52	1300	470	2050	1200	1495	1436.7	1391	52-33	68.4×2	—	—	—	—	—	—	—	—
56	1400	530	2200	1400	1600	1543.0	1492	60-33	71.6×2	—	—	—	—	—	—	—	—
60	1500	530	2350	1460	1725	1662.1	1600	52-36	74.7×2	—	—	—	—	—	—	—	—

Main Dimension: 600LB&900LB

Diameter		600LB								900LB
Inch	mm	L	H	H1	D	D1	D2	Z-ød	b×f	L	H	H1	D	D1	D2	Z-ød	b×f
2	50	150	355	230	165	127	92	8-19	26×7	—	—	—	—	—	—	—	—
2½	65	170	430	260	190	149.2	105	8-22	29×7	—	—	—	—	—	—	—	—
3	80	180	480	290	210	168.3	127	8-22	32×7	—	—	—	—	—	—	—	—
4	100	190	510	320	275	215.9	157	8-26	38×7	—	—	—	—	—	—	—	—
5	125	200	590	380	330	266.7	186	8-29	45×7	—	—	—	—	—	—	—	—
6	150	210	620	400	355	292.1	216	12-29	48×7	250	760	460	380	317.5	216	8-32	55.6×7
8	200	230	730	460	420	349.2	270	12-32	56×7	310	850	530	470	393.7	270	8-39	63.5×7
10	250	250	870	550	510	431.8	324	16-35	64×7	350	980	635	545	469.9	324	12-39	69.9×7
12	300	270	930	600	560	489	381	20-35	67×7	380	1050	690	610	533.4	381	16-39	79.4×7
14	350	290	1005	630	605	527	413	20-39	70×7	400	1130	720	640	558.8	413	16-42	85.8×7
16	400	310	1135	705	685	603.3	470	20-42	76×7	430	1195	740	705	616	470	16-45	88.9×7
18	450	330	1200	750	745	654	533	20-45	83×7	460	1340	840	785	685.8	533	16-52	101.6×7
20	500	350	1270	780	815	723.9	584	24-45	89×7	490	1410	865	855	749.3	584	16-54	108×7
24	600	390	1440	880	940	838.2	692	24-51	102×7	530	1645	990	1040	901.7	692	16-67	139.7×7
28	700	430	1700	1065	950	863.6	784	28-48	115.9×7	—	—	—	—	—	—	—	—
32	800	470	1835	1130	1085	984.2	895	28-55	130.2×7	—	—	—	—	—	—	—	—