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Triple Eccentric Welding Butterfly Valve

Introduction

A Triple Eccentric Welding Butterfly Valve is an advanced valve designed for precise control and reliable isolation in fluid systems, featuring a unique "triple eccentric" design. This design includes offsets in the shaft, seat, and disc, which minimize friction and ensure a tight, leak-proof seal even under high-pressure and high-temperature conditions. The welding design allows the valve to be directly welded into the pipeline, providing a secure, permanent connection that is especially useful for systems with high-flow requirements or those in challenging environments.

The valve's triple eccentric nature ensures long-lasting performance, minimal wear, and zero leakage, while its welded construction makes it particularly ideal for industries where durability and high-performance are critical. The valve is commonly used in applications involving steam, gas, and other high-pressure systems in industries such as oil and gas, power generation, and chemical processing, where safety, reliability, and efficiency are paramount.

Applications

Triple Eccentric Welding Butterfly Valve is trusted across various industries for its precision, durability, and reliability. Explore its wide-ranging applications below:

Oil & Gas icon

Oil & Gas

Used in pipelines and processing plants to control the flow of crude oil, natural gas, and refined products, ensuring secure operation in high-pressure environments.

Power Generation icon

Power Generation

Employed in steam, feedwater, and cooling systems in power plants, providing precise flow control and secure shutoff in high-pressure, high-temperature applications.

Chemical Processing icon

Chemical Processing

Used to control the flow of chemicals in production systems, ensuring leak-proof operation and long-term durability under extreme conditions.

Water Treatment icon

Water Treatment

Installed in water distribution and treatment systems, providing efficient flow control and secure sealing in high-pressure conditions.

HVAC Systems icon

HVAC Systems

Utilized in HVAC systems for regulating air or water flow, offering reliable shutoff and efficient operation in heating and cooling applications.

Marine Applications icon

Marine Applications

Installed in marine and offshore systems for fluid flow regulation in ballast water, fuel, and cooling systems, ensuring safe and efficient operation.

Technical Specifications

butterfly valve graph

Worm Gear Butt-welded Butterfly Valve

butterfly valve graph

Electric Butt-welded Butterfly Valve

butterfly valve graph

Pneumatic Butt-welded Butterfly Valve

Main Outline Dimensions and Weight

0.6Mpa mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
8018020312575902058320020312547550520312593282110274229.5
10019020813075902058320020813047550520813093282110344636
125200218140759020583200218140475505218140115344140414846
150210285150959020583200285155475505285155115344140435351
200230320180959020583200320180475505320180150450187818480
250250349220959020583200349220475505349220290762270102124122
3002703982501159020583200398250475505398250290762270132138142
3502904172751159020583250417275475505417275330900305164176192
40031045531513490205832504553154755054553153701084350193183270
45033048034013490205832504803404755054803403701084350238270310
5003505123751591202651412505123755665455123754051182390302315414
6003905624251591202651412505624255665455624254051182390415421484
7004306364901631852501153156364906155456364905001442470660615725
8004707065501631852501153157065506155457065506301865500780705825
900510756600185185250115315756600820520756600------820825--
1000550816650185245400145400816650820545816650------12651285--
1200630944775220310460191400944775945545944775------15901655--
1400710108489522031046019140010848959455451084895------21852255--
16007901204102522041055527040012041025114054512041025------32103330--
18008701395109532052064035140013951095133754513951095------40904350--
20009501449119532052064035140014491195133754514491195------56105680--
220010001569132532052064035140015691325133754515691325------64106630--
240011001704144532064064035140017041445144371517041445------78108255--
260011901824156533545078544063018241565144371518241565------94509550--
280012701944168533545078544063019441685144384519441685------1080010300--
300013502074181533545078544063020741815144384520741815------1220012880--

Note:

1. Structural length of valves in the table: DN<2000, to ISO5752 13 series; DN>2000, to ISO5752 14 series.

2. Welding groove to GB/T12224 specifications

Main Outline Dimensions and Weight

1.0Mpa mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
8018020312575902058320020312547550520312593282110------
10019020813075902058320020813047550520813093282110------
125200218140759020583200218140475505218140115344140------
1502102851559590205832002851554755052851551153441405873--
2002303201809590205832003201804755053201801504501877691--
250250349220959020583200349220475505349220290762270115130--
3002703982501159020583200398250475505398250290762270145165--
3502904172751159020583250417275475505417275330900305185205--
40031045531513490205832504553155665054553153701084350245265--
45033048034013490205832504803405665454803403701084350315335--
5003505123751591202651412505123756155455123754051182390375395--
6003905624251591202651412505624256155455624254051182390510530--
7004306364901631852501153156364908205206364905001442470770790--
800470706550163185250115315706550820545706550630186550010701090--
900510756600185185250115315756600820545756600------14351455--
1000550816650185245400145400816650945545816650------17451755--
12006309447752203104601914009447751140545944775------27252745--
14007101084895220310460191400108489513375451084895------35103350--
16007901204102522041055527040012041025133754512041025------44704510--
18008701395109532052064035140013951095133754513951095------4945----
20009501449119532052064035140014491195133771514491195------6230----
220010001569132532052064035140015691325144371515691325------------
240011001704144532064064035140017041445144384517041445------------

Main Outline Dimensions and Weight

1.6Mpa mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
801802031257590205832002031254755052031251153441402745--
1001902081307590205832002081304755052081301153441403457--
1252002181407590205832002181404755052181401504501874163--
15021028515511590205832002851554755052851552907622704371--
20023030918011590205832003091804755053091802907622708183--
2502503432201349020583250343220475505343220330900305102126--
30027036824513490205832503682454755053682453701084350132151--
3502904012751591202651412504012755665054012753701084350164195--
4003104433001591202651412504433005665454433004051182390193273--
4503304693401631852501153154693406155454693404051182390238290--
5003505013751631852501153155013756155075013755001442470302414--
6003906064401852454001453156064408205456064406301865500457545--
700430684500185245400145315684500820545----------810825--
800470734550220310460191400734550945545----------10931005--
900510794625220310460191400794625945545----------14101560--
10005508746902554105552704008746901140545----------18701910--
1200630104979525541055527040010497951140545----------20822420--
1400710120494532052064035140012049451337545----------28503250--
160079013241065320520640351400132410651423720----------42354400--
180087013951095335520785440630139510951423720----------53465670--
200095014491195335520785440630144911951423720----------73287565--
2200100015691325335450785440630156913251423720----------------
2400110017041445335450785440630170414451423720----------------

Note:

1. Structural length of valves in the table: DN<2000, to ISO5752 13 series; DN>2000, to ISO5752 14 series.

2. Welding groove to GB/T12224 specifications

Main Outline Dimensions and Weight

2.5Mpa mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
8018020312511590205832002031254755052031251504501873854--
10019020813011590205832002081304755052081302907622704055--
12520021814011590205832002181404755052181402907622706064--
15021028515511590205832002851554755052851553309003056571--
200230317195134902058325031719547550531719537010843508596--
25025036022013490205832503602204755053602203701084350135145--
3002703952501591202651412503952505665053952504051182390175167--
3502904192901591202651412504192905665454192904051182390195220--
4003104683251631852501513154683256155454683255001442470295278--
4503304763501631852501153154763506155457463506301865500350380--
500350556390185245400145315556390820545556390------510496--
600390644450185245400145315644450820545644450------625705--
700430684500220310400191400684500945545684500------9251000--
8004707745902554104601914007745901140545774590------12601190--
9005108446452554105552704008446451140545844645------17901670--
10005508946952554105552704008946951140545894695------19402180--
12006301049845320520640351400104984513375451049845------28102980--

4.0Mpa mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
80180203125115902058320020312547550520312515045018739----
100190208130115902058320020813047550520813029076227050----
125200218140115902058320021814047550521814029076227075----
1502102851551159020583200285155475505285155330900305100----
20023031819513490205832503181954755053181953701084350135116--
2502503532251591202051412503532255665053532253701084350190215--
3002703962651591202651412503962655665453962654051182390240263--
3502904263001621852651113154263006155454263004051182390320297--
4003104613401631852501153154613406155454613405001442470450477--
4503304863651852454001453154863658205454863656301865500500524--
500350584400185245400145315584400820545584400---560585--
600390644475220310460191400644475945545644475------7201000--
7004307245402554105552704007245401140545724540---12501410--
8004707945952554105552704007945951140545794595---19502110--

Note:

1. Structural length of valves in the table: DN<2000, to ISO5752 13 series; DN>2000, to ISO5752 14 series.

2. Welding groove to GB/T12224 specifications

Class 150mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
3"11429513511584198842002951355134672951351153441403237--
4"12730515511584198842003051555134673051551153441403539--
5"14032216711584198842003221675134673221671263901753942--
6"14036617011594211842503661705254753661701504501874343--
8"1523961981341172671452503961985804703961982807622706057--
10"1654292311341752541143154292316355604292313309003059080--
12"1784832691591752541143154832697055604832694051182385107104--
14"1904982971592394041453154982977656154982974051182385153141--
16"2165793331632394041453155793338256155793334051182385207197--
18"2226303661632394041913156303668758206303664451292410267247--
20"2296553941633004651914006553949308206553944451292410327307--
24"26774445218530046519140074445210408207444525001442465473427--
28"29279051118530046519140079051111559457905116301865500653667--
30"30881553622030055926940081553612259458155366301865500760773--
32"3188745772203005592694008745771274945874577630186550010331047--
36"33089960225530055926940089960213751145899602---1200 1213 --
40"41010646962553005592694001064696149011451064696---14871500--
42"43010927212553005593354001092721155013351092721---16401637--
44"45011487312553005723354001148731160013351148731---18001813--
48"47012708003203005723354001270800171513701270800---2007 2020--
52"49013148503204256353655001314850183513701314850---27202733--
56"53013848953204256353655001384895200514251384895---29802993 --
60"57015041025355425635365500150410252115142515041025---33873420--

Note:

1. Structural length of valves in the table: DN<2000, to ISO5752 13 series; DN>2000, to ISO5752 14 series.

2. Welding groove to GB/T12224 specifications

Main Outline Dimensions and Weight

Class 300mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
3"114295132114841988420029513246751329513212639017534----
4"127358150114841988420035815046751335815015045018744----
5"14036516716811726714525036516746751336516728076227058----
6"14038918816317525411431538918856452338918833090030573----
8"1524172211631752541143154172216155444172214051182385132----
10"1654652521852394041453154652526155444652524051182385151----
12"1785462901852394041453155462908235135462904051182385257----
14"1915793182213004651914005793188235135793184451292410286----
16"2166423682213004651914006423689455136423684451292410416----
18"2226733962213004651914006733969455446733965001442465497----
20"2297014222543005592694007014229455447014225001442465571----
24"2677754952543995592694007754959455447754956301865500881----
28"292904559305510648351400904559115882690455963018655001320----
30"2929635943055106483514009635941158826963594---1478----
32"3181054617305510648351400105461711588261054617---1699----
36"33011616763686158054296301161676142010391161676---2379----
40"41012427193686158054296301242719142010391242719---2427----
42"43012857393686158054296301285739142010391285739---2685----
44"45013107643686158054296301310764142010391310764---2932----
48"47013748334347659653996301374833173010691374833---3545----

Class 600mm

DNLWorm gear actuationElectricPneumaticWeight (kg)
A1B1M1E1F1JD01A2B2E2F2A3B3E3F3M3Warm gearElectricPneumatic
3"180343127135942118125034312756452334312733090030575----
4"1903711601701522671452503711606155443711604051182385117----
5"2003881781631752541143153881786155443881784051182385154----
6"2104011961631752541143154011968235134011964051182385186----
8"2304472211631752541143154472218235134472214451292410235----
10"2505442901852394041453155442909455135442904451292410298----
12"2706103072203004651914006103079455446103075001442465554----
14"2906403302203004651914006403309455446403305001442465654----
16"3107013912544005592694007013919455447013916301865500935----
18"33071640625440055926940071640694554471640663018655001085----
20"350828452305510645351400828452115882682845263018655001610----
24"3909205133055106453514009205131158826920513---1998----

Note:

1. The structural length of valve in the table: 300Lb, to ISO5752 13 series; 600Lb, to ISO5752 14 series.

2. Welding groove to ASME B16.34 specifications.

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