Electric triple offset butterfly valve

Body:ASTM A536 65-45-12, WCB, CF8M
Disc:ASTM A536 65-45-12 Nylon coated, CF8, CF8M
Seat:EPDM,NBR,FRM.PTFE
Stem:SS420,SS431
Body style: wafer
Nominal diameter:2″ – 80″ (DN50mm – DN2000mm)
Flange accommodation:DIN PN10 PN16,JIS 5K 10K,ANSI CLASSS 150LB
Electric actuator: ON-OFF type, adjustable type






    Description

    Electric triple offset butterfly valve

    The Electric Triple Offset Butterfly Valve is a highly reliable and efficient solution for process flow control in a variety of industries. This advanced double offset butterfly valve technology features a zero-leakage design, ensuring optimal performance and minimal maintenance requirements. With its robust construction and intrinsic fire safety, this valve is an exceptional choice for applications in Oil & Gas, Chemical & Coal, Petrochemical, Desalination Plants, Waterworks, Fossils, District Heating, Nuclear, Iron & Steel, Mining, Automotive, Shipyards, and Aerospace industries.

    Key Features

    • ISO 5211 Mounting Bracket: Enables easy mounting of actuators for safe and efficient valve operation.
    • Triple Offset Design: Offers superior sealing performance and prolonged service life through its ellipsoidal sealing geometry.
    • Zero Leakage: Provides a bubble-tight shut-off, ensuring that there is no rubbing during 90-degree rotation across various pressure and temperature conditions.
    • Inherently Firesafe: Designed to prevent fire hazards, further enhancing the safety and reliability of the valve.
    • Durable Construction: Features a metal seal ring made from Duplex material and a highly wear-resistant Stellite grade 21 seat, ensuring prolonged superior tightness.
    • Interchangeable Design: The single-piece cast body complies with ISO 5752, ASME B16.10, and API 609 double-flanged short pattern standards, guaranteeing easy interchangeability with other valve types.

    Applications

    The Electric Triple Offset Butterfly Valves is widely utilized in numerous industries for its exceptional performance, flexibility, and durability. Some common applications and industries include:

    • Oil & Gas: Provides reliable flow control and leak prevention in refineries and transmission pipelines.
    • Chemical & Coal: Delivers safe, precise, and leak-free operation in chemical processing plants and coal mining operations.
    • Petrochemical: Offers a high level of operational efficiency and reliability in petrochemical processes.
    • Desalination Plants: Ensures optimal water flow control and minimal leakage in water

    FEATURES

    • ISO 5211 bracket for easy mounting of actuators
    • Triple offset and ellipsoidal sealing geometry
    • Bubble tight shut-off
    • Inherently firesafe by design
    • A metal seal ring in Duplex and a highly wear-resistant Stellite grade 21 seat ensure prolonged superior tightness
    • Single piece cast body with face to face dimensions to ISO5752, ASME B16.10 and API 609 double flanged short pattern, guarantees interchangeability with other valve types
    • Extensively hardened bearings, incorporating a standard reinforce, braided, flexible graphite bearing protector, ensure increased reliability
    • Blowout proof devices on shaft keep sure safety of shaft operating
    • Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion
    Connection Double flange
    Size 3″-80″ for PN10,PN16,Class150; 3″-48″ for PN25,PN40,Class300; 3″-24″ for Class600
    Pressure PN10,PN16,PN25,PN40,Class150,Class300,Class600
    Flange standard ASME B16.5 Class150,Class300,Class600; EN1092 PN16,PN25,PN40
    Face to face ISO 5752, ASME B16.10, API609 Double flanged short pattern
    Pressure test API 598, ISO 5208 Rate A, ANSI B16.104(ANSI/FCI 70-2)Class Ⅵ
    Temperature -29°C to +538°C
    Operator Lever,Gear box, Pneumatic actuator, Electric actuator

    Triple Offset Butterfly Valves

    No. Part name Material
    1 Body WCB CF8M
    2a Disc WCB,CF8 CF8M
    2b Disc sealing UNS31803(duplex)+graphite
    2c Disc sealing retainer SS304 SS316
    2d Disc sealing retainer screw SS304 SS316
    3 Seat welded surface Stellite Gr.21
    4 Shaft 17-4 PHSS,1.4462
    5 Packing gland CF8
    6 Bottom cover Same as body
    7 Cover seal Graphite
    8 Thrust washer SS316
    9 Bracket WCB CF8M
    10 Retaining ring SS304
    11 Packing RPTFE, Graphite
    12 Packing ring SS316
    13 Bearing SS316+PTFE
    14 Thrust bearing SS316
    15 Key SS316
    16 Bolt SS304
    17 Bolt SS304
    18 Bolt SS304
    19 Nut SS304

    Triple Offset Butterfly Valves

    Triple Offset Butterfly Valves

    SIZE A B C D E Top Flange L WT(kg)
    Class150 PN10 PN16 PN25
    DN INCH Class150,PN10,PN16,PN25
    80 3″ 260 125 17.5 190 200 200 200 14 F07 114 30
    100 4″ 290 141 17.5 230 220 220 235 14 F07 127 40
    125 5″ 310 150 17.5 255 250 250 270 14 F07 140 45
    150 6″ 330 165 18.5 280 285 285 300 17 F10 140 50
    200 8″ 385 214 24.5 345 340 340 360 22 F10 152 85
    250 10″ 425 243 24.5 405 395 405 425 22 F10 165 120
    300 12″ 490 286 30 485 445 460 485 27 F12 178 160
    350 14″ 525 312 30 535 505 520 555 27 F12 190 195
    400 16″ 545 350 39 595 565 580 620 36 F14 216 255
    450 18″ 580 383 49 635 615 640 670 46 F16 222 310
    500 20″ 640 407 49 700 670 715 730 46 F16 229 390
    600 24″ 690 484 60 815 780 840 845 55 F25 267 565
    700 28″ 720 525 130 925 895 910 960 80 F30 292
    750 30″ 750 550 130 985 80 F30 318
    800 32″ 760 600 130 1060 1015 1025 1085 98 F30 318
    900 36″ 795 660 150 1170 1115 1125 1185 120 F35 330
    1000 40″ 815 720 180 1290 1230 1255 1320 130 F35 410
    1050 42″ 850 750 180 1345 150 F35 410
    1200 48″ 995 825 200 1510 1455 1485 180 F40 470
    SIZE A B C D E Top Flange L WT(kg)
    Class300 PN40
    DN INCH Class300,PN40
    80 3″ 260 100 17.5 210 200 14 F07 180 30
    100 4″ 290 124 17.5 255 235 14 F07 190 40
    125 5″ 330 144 18.5 280 270 17 F10 200 60
    150 6″ 350 150 24.5 320 300 22 F10 210 75
    200 8″ 415 204 30 380 375 27 F12 230 115
    250 10″ 455 238 39 445 450 36 F14 250 170
    300 12″ 490 268 39 520 515 36 F14 270 170
    350 14″ 545 294 49 585 580 46 F16 290 315
    400 16″ 575 320 60 650 660 55 F25 310 415
    450 18″ 660 341 60 710 685 55 F25 330 490
    500 20″ 700 383 80 775 755 75 F30 350 600
    600 24″ 785 442 80 915 890 75 F30 390 900
    700 28″ 800 590 150 1035 120 F35 430
    750 30″ 830 600 180 1090 130 F35 450
    800 32″ 860 720 200 1150 170 F40 470
    900 36″ 940 780 200 1270 180 F40 510
    1000 40″ 910 750 250 1240 200 F48 550
    1050 42″ 950 800 250 1290 210 F48 570
    1200 48″ 1000 850 250 1465 220 F48 630
    SIZE A B C D E Top Flange L WT(kg)
    Class600 PN63 PN100
    DN INCH Class600,PN63,PN100
    80 3″ 260 145 17.5 210 215 230 14 F07 180 50
    100 4″ 298 185 24.5 275 250 265 22 F10 190 70
    125 5″ 400 200 30 330 295 315 27 F12 200 90
    150 6″ 420 216 39 355 345 355 36 F14 210 125
    200 8″ 445 265 39 420 415 430 36 F14 230 200
    250 10″ 505 315 49 510 470 505 46 F16 250 315
    300 12″ 600 362 49 560 530 585 46 F16 270 435
    350 14″ 610 390 60 605 600 655 55 F25 290 485
    400 16″ 680 440 60 685 670 55 F25 310 685
    450 18″ 683 460 80 745 75 F30 330 815
    500 20″ 795 526 80 815 75 F30 350 1050
    600 24″ 885 623 940 F35 390 1600
    700 28″
    750 30″
    800 32″
    900 36″
    1000 40″
    1050 42″
    1200 48″

    Electric actuator

    On-off type: feedback signal: Passive contact signal/4-20mA/ resistance signals.
    Regulation type: Input signal 4-20mA/0-10V/1-5V;
    Feedback signal: 4-20mA/0-10V/1-5V
    Voltage: AC220V380V110V24V、DC12V24V etc;Special voltage can be customized.
    Explosion-proof class: Can be choose explosion-proof type EX d IIBT4

    Type Control type Function
    Electric actuator ON-OFF type Feedback: the active signal, passive contact signal, resistance, 4-20mA
    Regulation type Input and output signal: 4-20mA, 0-10v, 1-5v, switch, MODBUS, PROFIBUS field bus
    Filed operation The field, remote control switch regulation and MODBUS, PROFIBUS field bus


    FAQS

    What is an triple offset butterfly valve?

    The double eccentric offset butterfly valve can also be called the high-performance butterfly valve or double eccentric butterfly valve. This valve is suitable for thicker media that has a high pressure because its design does not allow too much contact with the disc and seat.

    Double Offset Butterfly Advantages

    The balance of this valve is in the stem placed behind the circular disc. It allows the disc to self-adjust to the center, ensuring tight sealing. Even when the valve is fully opened, the valve does not touch the soft seat, ensuring a longer service life.

    What is a butterfly valve used for?

    Uses for butterfly valves include regulating the volumes/flows entering into pipe systems during start up operations; isolating areas within larger piping networks; aiding in preventing backflow; serving as check-valves when unexpected flow reversals occur; providing throttling action for modulating fluid flows rates into certain sections of piping systems (similarly applicable to hydraulic pumps); draining fluid out of units where gravity assisted drainage occurs; providing a shutoff option prior to maintenance work being carried out on system components downstream from the unit containing the butterfly valve itself.

    In addition to their various uses listed above, one primary advantage that butterfly valves offer over other types of isolation or control valves is their extremely compact size relative to how much performance they deliver

    • Caustic,
    • Corrosive,
    • Dry Chlorine,
    • Oxygen,
    • Seawater,
    • Sour Gas,
    • Steam,
    • Toxic
    • Ultra Pure Water,
    • Vacuum, and

    Industries

    • Chemical,
    • Food and Beverage,
    • HVAC,
    • Mining,
    • Oil and Gas,
    • Petrochemical,
    • Pharmaceutical,
    • Power Generation,
    • Pulp and Paper,
    • Refining,
    • Sugar Processing, and
    • Water Filtration.

    How do I choose a triple offset butterfly valve?

    Choosing a triple offset butterfly valve can seem daunting at first, but with the right knowledge and information, it’s an easy task. To find the right double eccentric butterfly valve for your application, you should consider several factors:

    Flow Characteristics – triple offset butterfly valve are designed to control flow rates from low to high levels. Since this type of valve has two seats instead of one, they offer better performance when controlling higher flow rates compared to other types of valves. When selecting a Double Eccentric Butterfly Valve, you’ll need to determine the appropriate size for your intended use and check that it meets any applicable standards (such as ASME or API).

    Installation Requirements – Taking into account where and how you plan on installing your Double Eccentric Butterfly Valve is important in making sure that installation is successful and efficient. If your installation site has limited space constraints then choosing a smaller model may be necessary – while also ensuring that its port configuration matches up with existing piping systems connected downstream or upstream from it will make things easier come time for installation

    Pressure Rating – The pressure rating provided by your chosen Double Eccentric Butterfly Valve should match up with the requirements needed for operation within its respective application/environment . Pressure ratings typically given in psi (Pounds per Square Inch) or bar(s), so be sure to familiarize yourself beforehand with what data points are included within those units before starting out on this part of selection process!

    Materials – Selecting the correct material is critical when selecting any type of valve due its direct impact on system life cycle costs as well as safety considerations; materials used can range from steel alloys such stainless 304L & CF8M depending on chemical compatibility / corrosion resistance requirements associated with particular system fluid being switched through them . Carefully consider these!

    Actuation Options– Whether manual operation (lever operated) or automated via actuation , having access to multiple sources available will let users choose whichever option best fits their needs; manual levers provide cost-effectiveness while electric actuators add convenience but can rack up additional costs over time due maintenance etc…

    What are valve electric actuators?

    Valve electric actuators are devices commonly used in industrial automation to open, close, and control the flow of fluids such as water, fuel, steam or air. They are designed to be compact yet powerful and offer a reliable solution for accurate positioning and precise control of valves.

    The basic operation of an electric actuator involves supplying electrical energy which moves an output motor that controls the movement of a stem or valve disc attached to the output shaft. When this stem or valve disc is rotated against a valve seating surface it opens or closes the valve allowing fluid to pass through its ports. It may also be equipped with feedback sensors that provide positional information from both the positioner and/or limit switches located on the electric actuator’s body enabling more accurate positioning accuracy when controlling processes with changing pressures or temperatures.

    Butterfly valve PN16 Flange size chart

    NPSDNODPCBBoltn-bolt
    3/8DN109060144
    1/2DN159565144
    3/4DN2010575144
    1DN2511585144
    11/4DN32140100184
    11/2DN40150110184
    2DN50165125184
    21/2DN65185145188
    3DN80200160188
    4DN100220180188
    5DN125250210188
    6DN150285240228
    8DN2003402952212
    10DN2504053552612
    12DN3004604102612
    14DN3505204702616
    16DN4005805253016
    18DN4506405853020
    20DN5007156503320
    24DN6008407703620
    28DN7009108403624
    32DN80010259503924
    36DN900112510503928
    40DN1000125511704228
    48DN1200148513904832
    56DN1400168515904836
    64DN1600193018205640
    72DN1800213020205644
    80DN2000234522306248

    Butterfly valve ASME ANSI CLASS 150LB Flange size chart

    NPSDNODPCBBoltn-bolt
    1/2DN158960.5164
    3/4DN209969.8164
    1DN2510879.2164
    11/4DN3211788.9164
    11/2DN4012798.6164
    2DN50152120.6194
    21/2DN65178139.7194
    3DN80190152.4194
    31/2(DN90)216177.8198
    4DN100229190.5198
    5DN125254215.922.58
    6DN150279241.322.58
    8DN200343298.422.58
    10DN25040636225.512
    12DN300483431.825.512
    14DN350533476.228.512
    16DN400597539.828.516
    18DN450635577.83216
    20DN5006936353220
    22(DN550)749692.23520
    24DN600813749.33520

    wire drawing

    Electric butterfly valve wire drawing Complete with POE sereis electric actuator Electric butterfly valve wire drawing
    On-off type with light indicator signal feedback
    On-off type with light indicator signal feedback
    On-off type with light indicator signal feedback

    On-off type with passive contact signal feedback
    On-off type with passive contact signal feedback

    On-off type with resistance potentiometer feedbace wiring diagram
    On-off type with resistance potentiometer feedbace wiring diagram

    AC380V three-phase power supply wiring diagram with passive signal feedback
    AC380V three-phase power supply wiring diagram with passive signal feedback

    DC24V DC12V direct on-off type wiring diagram
    DC24V DC12V direct on-off type wiring diagram

    Intelligent regulation type electric actuator wiring diagram AC220V AC380V DC24C the wire drawing are the same.
    Intelligent regulation type electric actuator wiring diagram
    AC220V AC380V DC24C the wire drawing are the same.