Lug butterfly valve 2″-40″

Body:         ASTM A536 65-45-12, WCB, CF8M
Disc:          ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
Seat:          EPDM, NBR, FPM
Stem:         SS420, SS431
Body style:       FLug
Nominal diameter:            2″ – 80″ (DN50mm – DN2000mm)
Top flange:                          ISO5211
Operating pressure:          16bar for DN50-DN300, 10bar for DN350-DN2200
Flange accommodation:   EN 1092 PN 6/PN10/PN16,ASME Class,JIS 5K/10K






    Description

    Lug Butterfly Valve

    Lug butterfly valve is a type of quarter-turn valve that is ideal for regulating the flow of liquids or gases in industrial applications. It consists of a circular disc that rotates around a central axis within a pipe, controlling the flow of the medium. We offer a wide range of lug style butterfly valve designed for various industrial applications. Our valves are constructed using high-quality materials and meet industry standards such as ISO and API. Our lug type butterfly valve come in various sizes, materials, and configurations, including manual, electric, or pneumatic actuation. The valve’s lug design ensures easy installation and removal, making the valves ideal for piping systems that need regular maintenance.

    The benefits of our lugged butterfly valve are numerous, such as precise flow control, low operating torque, and low-cost installation. The valves’ design makes them ideal for applications requiring bidirectional flow control or in applications with limited space. Our expert team of professionals works closely with trusted suppliers to source high-quality materials to build our butterfly valve lug type. Pov’s commitment to quality means our valves are simple to operate and long-lasting, providing maximum performance and productivity.

    Contact us today to learn more about our range of lug type valve and how we can help you optimize the efficiency and productivity of your industrial processes.

    FEATURES

    1,ISO5211 top flange together with stem square suitable for direct mounting of actuators
    2,Stem anti-blowout design keep safety in field use
    3,Dirtscraper prevents moisture penetrating into the shaft area
    4,Suitable for high pressure and full vacuum service due to the use of a cartridge seat design
    5,Full rated unidirectional dead-end service is achieved by a lip designed in the lug body
    6,No exposed pins or bolts for stem-to-disc connection
    7,No need for flange gaskets
    8,No risk of damage to the valve during installation in closed position
    9,Bubble-tight shut of at full pressure rating
    10,Large flow capacity and enough strength because of streamline disc design
    11,Plug with O-ring sealing eliminates any leakage from the stem

    lug style butterfly valves

    PARTS LIST AND MATERIAL SPECIFICATION

    lug style butterfly valve

    lug valve

    TECHNICAL DATA

    Body style FLug
    Nominal diameter 2″ – 80″ (DN50mm – DN2000mm)
    Top flange ISO5211
    Operating pressure 16bar for DN50-DN300, 10bar for DN350-DN2200
    Temperature range -20 °C to + 140 °C (depending on pressure, medium and material)
    Flange accommodation EN 1092 PN 6/PN10/PN16
    ASME Class 150
    AS 4087 PN10/ PN16
    JIS 5K/10K
    Applications Potable Water, Wastewater, Seawater, HVAC
    Operation Hand lever, gear box, pneumatic actuator, electric actuator

    DIMENSIONS (mm)

    SIZE A B C D E F d G H J L WT(kg)
    DN INCH
    50 2″ 126 78 13.5 117 9 50 8 70 31 34 43 2.8
    65 2 1/2″ 134 84 13.5 131 9 50 8 70 45 36 46 3.7
    80 3″ 138 92 13.5 176 9 50 8 70 64 36 46 5.1
    100 4″ 167 114 13.5 206 11 70 10 90 91 40 52 6.9
    125 5″ 180 129 17.5 236 14 70 10 90 110 44 56 9.3
    150 6″ 203 144 17.5 258 14 70 10 90 146 44 56 10.5
    200 8″ 228 179 24.5 321 17 102 12 125 193 50 60 17.4
    250 10″ 266 216 25 395 22 102 12 125 241 57 68 28.1
    300 12″ 291 247 25 461 22 102 12 125 292 66 78 40
    350 14″ 332 273 30 511 27 125 14 150 329 62 78 55
    400 16″ 363 317 30 580 27 125 14 150 376 84 102 85
    450 18″ 397 348 39 630 36 140 18 175 425 94 114 114
    500 20″ 425 393 39 700 36 140 18 175 475 110 127 144
    600 24″ 498 453 49 823 46 165 22 210 573 120 154 227
    700 28″ 626 531 90 928 63.1 254 18 300 674 54 165 342
    750 30″ 660 564 90 984 63.1 254 18 300 727 54 165 400
    800 32″ 666 601 90 1061 63.1 254 18 300 771 60 190 485
    900 36″ 722 660 110 1170 74.7 254 18 300 839 60 203 605
    1000 40″ 806 728 120 1290 83.7 298 22 350 939 60 216 776
    1100 44″ 826 771 140 1404 94.7 298 22 350 1036 50 255 985
    1200 48″ 941 874 150 1511 104.7 298 22 350 1137 62 276 1190
    1400 56″ 1000 940 175 1685 139.9 356 32 415 1351 62 279 1380
    1600 64″ 1155 1085 195 1930 160 356 32 415 1548 65 318 2054
    1800 72″ 1200 1170 195 2170 174.5 406 39 475 1703 70 356 3075
    2000 80″ 1363 1360 245 2345 199 406 39 475 1938 75 406 4500


    FAQs

    What is a lug style butterfly valve?

    A lug style butterfly valve is a type of valve that uses a circular disc to control the flow of liquids or gases. It has two halves and is opened and closed by turning the disc around its axis. The main parts are a body, disk, stem, actuator, bonnet, seat ring and mounting lugs.

    The most important feature of this type of valve is its lug style design which allows for easy assembly and installation in tight spaces. Lug style butterfly valves can be used in both linear (on/off) applications as well as those requiring throttling (partial closure) such as regulating water pressure or controlling steam temperature/pressure. They also have good bi-directional operation capabilities meaning they can be used in either direction without any flow restrictions due to disk alignment issues. For this reason, they are often found on high-pressure systems where other types of valves may not perform adequately.

    In terms of construction material choices for lug butterfly valves there are several options including cast iron, carbon steel bodies with stainless steel trim components; all stainless steel; iron body with bronze trim pieces; aluminum bodies with brass trim components; The choice will ultimately depend on the application requirements such as size requirements, media operating temperature/pressure ratings etc., cost considerations etc.

    What are the advantages of a lug butterfly valve?

    A lug butterfly valve is a type of shut-off valve that relies on a disk-shaped closure element that rotates inside the body of the valve to open or close it. This type of valve offers numerous advantages over other types, including:

    High Flow Rate: Lug butterfly valves are known for their excellent flow rate capacities, allowing them to move large amounts of fluid through pipelines quickly and efficiently without compromising pressure control. They can even be used as throttles when there is an increase in pressure or flow on one side of the line.

    Reliability: The design and construction of lug butterfly valves ensures they will last longer than many other types of valves due to their lower number of parts and less complicated assembly processes which reduces chances for leakages or corrosion related problems caused by rusting components within the system.

    Low Cost Maintenance: Thanks to its simple design, maintenance costs associated with lug butterfly valves are much lower compared to most other shut-off valves, enabling operators to save money while keeping their systems running reliably and efficiently for years with minimal expenses required for repairs or replacements down the road.

    Lug type butterfly valve installation?

    The lug type butterfly valve installation is an important component in many pump systems. It allows for the regulation of flow and provides shutoff capabilities when necessary. The installation process can be divided into four main steps: preparing the pipe, mounting the lugs onto the valve, attaching gaskets to both sides of the pipe, and connecting and tightening bolts.

    Step 1: Preparing the Pipe – Before beginning this step it’s important to ensure that all pipes are properly aligned and that any debris has been removed. Next, measure out how much space is needed for a successful installation taking into account a safe amount of clearance between each component part. This will help ensure that everything fits correctly without obstructing other parts or fittings during operation.

    Step 2: Mounting Lugs – After preparing the pipe for proper fitment, mount two lugs onto either side of your butterfly valve by placing one lug on either end of its body stem tube and then tightly screwing them together using stainless steel washers as cushioning between each point where contact occurs.

    Step 3: Attaching Gaskets – To ensure a secure seal around your valves opening attach two gaskets – one facing inside from behind it (drive-side) and another on front outside (flange-side) side so that they match up with their corresponding mounting flanges for your pipes connection points during operation preventing any leakage or erosion throughout their lifespan.

    Step 4: Connecting & Tightening Bolts– Lastly connect both sides securely by running bolts through previously placed holes in order to tighten them down firmly according to manufacturer’s instructions before testing functionality with water pressure test kits available at most hardware stores across America after completion – making sure all connections have achieved their desired levels before starting operations again within economical safety guidelines!

    Lug vs wafer butterfly valve?

    When comparing lug and wafer butterfly valves, there are a few key differences to consider. Lug butterfly valves have flanged ends that allow them to be bolted together in-line with pipe flanges. This allows for less installation time and fewer leak points when compared with traditional gate or globe valves. Wafer butterfly valves, on the other hand, do not require any extra components like bolts or gaskets; instead they just fit between two pieces of pipe and can be tightened down using clamps.

    The main difference between the two is that lug butterfly valves are more difficult to install than wafer models because all the necessary components (valve body, disc, bolt kits) must be connected before it’s ready for use. Additionally, because of their size and construction material (usually metal), lug butterlfy valves tend to be much heavier than their wafer counterparts which can make them cumbersome to install in some applications such as low-clearance industrial piping systems where space is limited.

    PN10 butterfly valve flange size

    NPSDNODPCBBoltn-bolt
    3/8DN109060144
    1/2DN159565144
    3/4DN2010575144
    1DN2511585144
    11/4DN32140100184
    11/2DN40150110184
    2DN50165125184
    21/2DN65185145188
    3DN80200160188
    4DN100220180188
    5DN125250210188
    6DN150285240228
    8DN200340295228
    10DN2503953502212
    12DN3004454002212
    14DN3505054602216
    16DN4005655152616
    18DN4506155652620
    20DN5006706202620
    24DN6007807253020
    28DN7008958403024
    32DN80010159503324
    36DN900111510503328
    40DN1000123011603628
    48DN1200145513803932
    56DN1400167515904236
    64DN1600191518204840
    72DN1800211520204844
    80DN2000232522304848

    PN16 butterfly valve flange size

    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