API 609 Triple Offset Metal Hard Seal Flanged Butterfly Valve, Worm Gear
Features
Operation Cycles |
Over 50,000 times |
Leakage Level |
ANSI Class V |
Metal Seated |
Wide temperature and pressure range |
Torque |
Zero friction for opening and closing and low torque |
Eccentric Design |
Reduce valve seat wear and improve service life. |
Valve stem anti blowout design |
Reduce maintenance difficulty and cost |
Bidirectional Pressure Sealing |
Any installation position |
Low Flow Resistance |
Improve fluid efficiency and reduce energy consumption |
Coating Grade |
Conventional and special conditions of C1-C5 & CX |
Certificates |
ISO9001, CE, WRAS, ACS |
Specifications
Design Standard |
API 609 |
Top Flange Standard |
ISO 5211 |
End Flange Standard |
ASME B16.5, ASME B16.47 |
Face to Face Dimension |
API 609 |
Testing Standard |
API 598 |
Temperature |
-169℃~700℃(depends on material) |
Pressure |
150LB, 300LB |
Body Material |
Carbon Steel, Stainless Steel, Duplex, Alloy |
Disc Material |
Carbon Steel, Stainless Steel, Duplex, Alloy |
Shaft Material |
Stainless Steel, Monel, etc |
Seat Material |
Stainless Steel, Stellite, Alloy, etc |
Operator |
Lever, Gearbox, Pneumatic, Electric Actuator |
Dimension
| Size | L | CLASS 150LB | Weight | CLASS 300LB | ISO 5211 | Weight | ||||
| ФD2 | n - Ф | n - UN | ФD2 | n - Ф | n - UN | |||||
| DN50 | 108 | 120.7 | 4-Ф19.1 | 10 | 127 | 4-Ф19.1 | 4-5/8-11UNC | F07 | 13 | |
| DN65 | 112 | 139.7 | 4-Ф19.1 | 14 | 149.2 | 4-Ф22.2 | 4-3/4-10UNC | F07 | 18 | |
| DN80 | 114 | 152.4 | 4-Ф19.1 | 17 | 168.3 | 4-Ф22.2 | 4-3/4-10UNC | F07 | 23.2 | |
| DN100 | 127 | 190.5 | 8-Ф19.1 | 23 | 200 | 4-Ф22 2 | 4-3/4-10UNC | F07 | 32 | |
| DN125 | 140 | 215.9 | 8-Ф22.2 | 32 | 235 | 4-Ф22.2 | 4-3/4-10UNC | F10 | 42 | |
| DN150 | 140 | 241.3 | 8-Ф22.2 | 41 | 269.9 | 8-Ф22 2 | 4-3/4-10UNC | F10 | 58 | |
| DN200 | 152 | 298.5 | 8-Ф22.2 | 50 | 330.2 | 8-Ф25.4 | 4-7/8-9UNC | F12 | 85 | |
| DN250 | 165 | 362 | 8-Ф25.4 | 4-7/8-9UNC | 74 | 387.4 | 12-Ф28.6 | 4-1-8UNC | F14 | 121.6 |
| DN300 | 178 | 431.8 | 8-Ф25.4 | 4-7/8-9UNC | 120 | 450.8 | 12-Ф31.8 | 4-1 1/8-8UN | F14 | 180 |
| DN350 | 190 | 476.3 | 8-Ф28.6 | 4-1-8UNC | 146 | 514.4 | 16-Ф31.8 | 4-1 1/8-8UN | F16 | 245 |
| DN400 | 216 | 539.8 | 12-Ф28.6 | 4-1-8UNC | 200 | 571.5 | 16-Ф34.9 | 4-1 1/4-8UN | F25 | 334 |
| DN450 | 222 | 577.9 | 12-Ф31.8 | 4-1 1/8-8UN | 236 | 628.6 | 20-Ф34.9 | 4-11/4-8UN | F25 | 400 |
| DN500 | 229 | 635 | 16-Ф31.8 | 4-1 1/8-8UN | 300 | 685.8 | 20-Ф34.9 | 4-1 1/4-8UN | F25 | 594 |
| DN550 | 267 | 692.2 | 16-Ф34.9 | 4-1 1/4-8UN | 400 | 743 | 20-Ф41.3 | 4-1 1/2-8UN | F25 | 700 |
| DN600 | 267 | 749.3 | 16-Ф34.9 | 4-1 1/4-8UN | 460 | 812.8 | 20-Ф41.3 | 4-1 1/2-8UN | F25 | 800 |
| DN650 | 292 | 744.5 | 36-Ф22.2 | 460 | 803.3 | 24-Ф34.9 | 8-1 1/4-8UN | F30 | 720 | |
| DN700 | 292 | 795.3 | 40-Ф22.2 | 500 | 857.2 | 28-Ф34.9 | 8-1 1/4-8UN | F30 | 920 | |
| DN750 | 318 | 846.1 | 44-Ф22.2 | 570 | 920.8 | 28-Ф38.1 | 8-13/8-8UN | F30 | 1100 | |
| DN800 | 318 | 900.1 | 48-Ф22.2 | 620 | 977.9 | 24-Ф41.3 | 8-1 1/2-8UN | F30 | 1100 | |
| DN850 | 330 | 957.3 | 40-Ф25.4 | 750 | 1031.9 | 28-Ф41.3 | 8-1 1/2-8UN | F30 | 1600 | |
| DN900 | 330 | 1009.6 | 44-Ф25.4 | 794 | 1089 | 24-Ф44.5 | 8-15/8-8UN | F30 | 1975 | |
| DN950 | 410 | 1070 | 40-Ф28.6 | 1100 | 1139.8 | 28-Ф44.5 | 8-15/8-8UN | F35 | 2017.6 | |
| DN1000 | 410 | 1120.8 | 44-Ф28.6 | 1250 | 1190.6 | 32-Ф44.5 | 8-15/8-8UN | F35 | 2350 | |
For more size information, please consult the sales team.
How Does a Butterfly Valve Work?
A butterfly valve is a type of industrial valve that controls the flow of various materials. Typically, they are used with liquids, gases, and even certain dry materials. This valve has a simple opening and closing mechanism and is easy to use.
A butterfly valve belongs to a family of the quarter-turn valve. The working mechanism is the same as a ball valve. The only difference is that instead of a hollow ball, it comes with a rotating disc that is attached to the stem. The disc rotates like a butterfly when you turn the handle of the valve. It is connected to a rod, and the rod is connected to the actuator.
When you move the actuator to 90 degrees, the rod moves, thereby rotating the disc. If the disc is perpendicular to the flow direction, then the valve is closed. When you turn the handle again at 90 degrees, the disc moves and opens the flow, these valves are mostly used for on and off functions.
A butterfly valve’s seat is what makes the valve seal when closed. Its seat must be resistant to high-temperature and pressure conditions. Depending on the material, butterfly valves can be made with metal or soft seats. The material used for the seat determines the temperature and pressure rating of the valve. Soft seats are made of plastic or elastomeric material and are generally rated for lower temperatures. A soft seat can also deform under high temperatures.