DN200 8″ U Section Ductile Iron Stainless WCB Rubber Lined Double Flange/ Wafer/ Lug Connection Butterfly Valve Handle Worm Gear

Short Description:

Size:DN 100~DN 2000

Pressure:PN10/PN16/150 psi/200 psi

Standard:

Face to face: EN558-1 Series 20

Flange connection: EN1092 PN6/10/16,ANSI B16.1,JIS 10K

Top flange: ISO 5211


Product Detail

Product Tags

“Quality to start with, Honesty as base, Sincere company and mutual profit” is our idea, as a way to build constantly and pursue the excellence for Hot sale DN200 8″ U Section Ductile Iron Di Stainless Carbon Steel EPDM NBR Lined Double Flange Butterfly Valve with Handle Wormgear, It is our great honor to fulfill your needs.We sincerely hope we will cooperate along with you inside the close to foreseeable future.
“Quality to start with, Honesty as base, Sincere company and mutual profit” is our idea, as a way to build constantly and pursue the excellence for China Butterfly Valve and Valve, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers, and establish a long term win-win business relationship. For more information, remember to contact us. And It is our great pleasure if you like to have a personally meeting in our office.

UD Series soft sleeve seated butterfly valve is Wafer pattern with flanges ,the face to face is EN558-1 20 series as wafer type.

U-shaped butterfly valve is a type of rubber seated butterfly valve, which is characterized by a unique U-shaped valve disc design. This design allows smooth, unimpeded flow of fluid through the valve, minimizing pressure drop and reducing energy consumption. The rubber seat on the disc ensures a tight seal, preventing any leakage and ensuring efficient operation of the valve. U-shaped butterfly valves are often used in situations where strict closing and reliable sealing are required. It is suitable for use with a variety of fluids, including water, natural gas, petroleum and chemicals.

One of the main features of the U-shaped concentric butterfly valve is its simplicity and ease of operation. It fully opens or closes the valve by rotating the disc through a 90-degree angle. The disc is connected to the valve stem, which is operated by a lever, gear, or actuator. This simple mechanism makes the U-shaped butterfly valve easy to install, operate and maintain. In addition, the valve’s compact size makes it suitable for installations with limited space.

U-shaped resilient butterfly valves are used in a variety of industries, including oil and gas, water treatment, chemical processing, power generation and HVAC. In the oil and gas industry, it is commonly used in pipelines that control the flow of crude oil, natural gas, and other petroleum products. In water treatment plants, U-shaped butterfly valves are used to regulate water flow in various treatment processes. In chemical processing plants, valves are used to control the flow of different chemicals. In power plants, it is used to control the flow of steam and other fluids. In HVAC systems, U-shaped butterfly valves are used to control the flow of air and water in heating and cooling systems.

U-shaped butterfly valve is a versatile and reliable valve that is widely used in various industries. Its unique U-shaped disc design and rubber seat ensure a tight seal and smooth fluid flow. The valve is easy to operate and maintain and is widely used in the oil and gas, water treatment, chemical processing, power generation and HVAC industries. Whether controlling the flow of water, air, oil or chemicals, U-shaped butterfly valves have proven to be an efficient and effective solution.

Characteristics:

1.Correcting holes are made on flange according to standard, easy correcting during the installation.
2.Through-out bolt or one-side bolt used. Easy replacing and maintenance.
3.The soft sleeve seat can isolate the body from media.

Product operation instruction

1. Pipe flange standards should conform to butterfly valve standards; suggest using welding neck flange, specialized flange for butterfly valves or integral pipe flange; do not use slip-on welding flange, supplier must agreed before user can uses slip-on welding flange.
2. The use of pre-installation conditions should be checked whether the use of butterfly valves with the same performance.
3. Before the installation user should clean the sealing surface of valve cavity, make sure no dirt attached; simultaneously clean the pipe for welding slag and other debris.
4.When installing, the disc must be in closed position to ensure that the disc do not collide with the pipe flange.
5. Both valve seat ends act as flange seal, extra seal is not needed when installing the butterfly valve.
6. The butterfly valve can be installed at any position (vertical, horizontal or tilt). Butterfly valve with big size operator may need bracket.
7. Collide when transporting or storing the butterfly valve may cause butterfly valve reduce its sealing ability. Avoid butterfly valve disc from bumping to hard objects and it should be open at 4 ° to 5 ° angle position in order to maintain sealing surface from damaging during this period.
8. Confirm correctness of flange welding before installation, welding after installation of the butterfly valve may cause damage to the rubber and preservation coating.
9. When using butterfly valve operated by pneumatic, the air source should maintain dry and clean to avoid foreign bodies from entering pneumatic operator and affect working performance.
10. Without special requirements noted in purchasing order of the butterfly valve can only be mounted vertically and for interior use only.
11. Case of disorder, reasons should be identified, troubleshooted, should not knock, hit, prize or lengthen the lever operator by arm of force to forcibly open or close the butterfly valve.
12. During the storage and unused period, the butterfly valves should kept dry, sheltered in shade and avoid harmful substances surrounding from erosion.

Dimensions:

20210927160813

DN A B H D0 C D K d N-do 4-M b D1 D2 N-d1 F Φ2 W J H1 H2
10 16 10 16 10 16 10 16
400 400 325 51 390 102 580 515 525 460 12-28 12-31 4-M24 4-M27 24.5 175 140 4-18 22 33.15 10 36.15 337 600
450 422 345 51 441 114 640 565 585 496 16-28 16-31 4-M24 4-M27 25.5 175 140 4-18 22 37.95 10 40.95 370 660
500 480 378 57 492 127 715 620 650 560 16-28 16-34 4-M24 4-M30 26.5 175 140 4-18 22 41.12 10 44.12 412 735
600 562 475 70 593 154 840 725 770 658 16-31 16-37 4-M27 4-M33 30 210 165 4-22 22 50.63 16 54.65 483 860
700 624 543 66 695 165 910 840 840 773 20-31 20-37 4-M27 4-M33 32.5 300 254 8-18 30 63.35 18 71.4 520 926
800 672 606 66 795 190 1025 950 950 872 20-34 20-41 4-M30 4-M36 35 300 254 8-18 30 63.35 18 71.4 586 1045
900 720 670 110 865 200 1125 1050 1050 987 24-34 24-41 4-M30 4-M36 37.5 300 254 8-18 34 75 20 84 648 1155
1000 800 735 135 965 216 1255 1160 1170 1073 24-37 24-44 4-M33 4-M39 40 300 254 8-18 34 85 22 95 717 1285
1100 870 806 150 1065 251 1355 1270 1270 1203 28-37 28-44 4-M33 4-M39 42.5 350 298 8-22 34 95 ## 105 778 1385
1200 940 878 150 1160 254 1485 1380 1390 1302 28-41 28-50 4-M36 4-M45 45 350 298 8-22 34 105 28 117 849 1515
1400 1017 993 150 1359 279 1685 1590 1590 1495 28-44 28-50 8-M39 8-M45 46 415 356 8-33 40 120 32 134 963 1715
1500 1080 1040 180 1457 318 1280 1700 1710 1638 28-44 28-57 8-M39 8-M52 47.5 415 356 8-33 40 140 36 156 1039 1850
1600 1150 1132 180 1556 318 1930 1820 1820 1696 32-50 32-57 8-M45 8-M52 49 415 356 8-33 50 140 36 156 1101 1960
1800 1280 1270 230 1775 356 2130 2020 2020 1893 36-50 36-57 8-M45 8-M52 52 475 406 8-40 55 160 40 178 1213 2160
2000 1390 1350 280 1955 406 2345 2230 2230 2105 40-50 40-62 8-M45 8-M56 55 475 406 8-40 55 160 40 178 1334 2375

“Quality to start with, Honesty as base, Sincere company and mutual profit” is our idea, as a way to build constantly and pursue the excellence for Hot sale DN200 8″ U Section Ductile Iron Di Stainless Carbon Steel EPDM PTFE NBR Lined Double Flange concentric Butterfly Valve with Wormgear, It is our great honor to fulfill your needs.We sincerely hope we will cooperate along with you inside the close to foreseeable future.
Hot sale China Butterfly Valve and Valve, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers, and establish a long term win-win business relationship. For more information, remember to contact us. And It is our great pleasure if you like to have a personally meeting in our office.

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