Products
Counterweight Butterfly Valve
FYL is factory located in Tianjin China. Factory specialized in producing different type of valves. Counterweight Butterfly Valve is one of major products. Our products has good quality and price advantage, also company available to make OEM products. Welcome inquiries from all over the world.
Send Inquiry
Product Description
As a leading manufacturer based in Tianjin, China, Tianjin Fuyaolai Technology Co., Ltd. (FYL) specializes in the design and production of industrial fluid control systems. Our flagship product, the Counterweight Butterfly Valve, represents the pinnacle of reliability and safety for modern pipelines.
A counterweight butterfly valve is a type of valve used to regulate the flow of a fluid (gas or liquid) in a piping system. It is a quarter-turn valve, meaning that rotating the disc 90 degrees can completely open or close the valve. The disc is positioned in the center of the pipe and pivots on an axis, which is perpendicular to the direction of flow. Here are some key features and components of a counterweight butterfly valve:
1. Valve Body: The main structure that houses the internal components and connects to the pipeline.
2. Disc: The movable element that rotates to control the flow of the fluid. When the disc is parallel to the flow, the valve is open; when perpendicular, the valve is closed.
3. Stem: The rod that connects the disc to the actuator or handle, transmitting the rotational force.
4. Seal: Ensures a tight closure to prevent leakage when the valve is closed.
5. Counterweight: Attached to the stem, the counterweight provides balance and assists in returning the valve to a closed or open position automatically. This mechanism can help in situations where quick shut-off is necessary in case of a system failure or to maintain safety.
ApplicationsCounterweight butterfly valves are commonly used in a variety of applications, including:
· Water and wastewater treatment
· Chemical and petrochemical industries
· HVAC systems
· Food and beverage processing
· Power generation
Advantages
· Quick Operation: Due to the quarter-turn mechanism, these valves can be operated quickly.
· Compact Design: Requires less space compared to other types of valves like gate or globe valves.
· Cost-Effective: Generally less expensive and easier to install and maintain.
· Versatility: Suitable for a wide range of fluids, including liquids, gases, and semi-solids.
Disadvantages
· Flow Restriction: The presence of the disc in the flow path can cause a slight pressure drop.
· Limited Throttling: Not ideal for precise flow control compared to other valve types like globe valves.
Summary
Counterweight butterfly valves are essential components in various industrial applications due to their simplicity, reliability, and efficiency. The addition of a counterweight mechanism enhances the operational safety and convenience, making them a preferred choice in many automated and manual systems.
Main Technical Parameter
|
Nominal Diameter |
DN（mm） |
50～2000 |
50～500 |
|||
|
Pressure |
PN（MPa） |
0.6 |
1.0 |
1.6 |
2.5 |
4.0 |
|
Test Pressure |
Shell |
0.9 |
1.5 |
2.4 |
3.75 |
6.0 |
|
Seal |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
|
|
Temperature |
Carbon Steel:-29℃～425℃ Stainless Steel-40℃～600℃ |
|||||
|
Medium |
Air, water, steam, gas, oil, acid, alkali, salt with weak corrosive media, etc. |
|||||
|
Operation |
Hand wheel, pneumatic, electric, worm gear |
|||||
Main connection dimensions
|
Diameter |
Main Size |
Dandn-Ød |
||||||||||||
|
1.0MPa |
1.6MPa |
2.5MPa |
||||||||||||
|
mm |
in |
Short L |
Long L |
H1 |
H |
D |
D1 |
n-Ød |
D |
D1 |
n-Ød |
D |
D1 |
n-Ød |
|
50 |
2 |
108 |
150 |
350 |
112 |
165 |
125 |
4-Ø18 |
165 |
125 |
4-Ø18 |
165 |
125 |
4-Ø18 |
|
65 |
2.5 |
112 |
170 |
370 |
115 |
185 |
145 |
4-Ø18 |
185 |
145 |
4-Ø19 |
185 |
145 |
8-Ø18 |
|
80 |
3 |
114 |
180 |
380 |
120 |
200 |
160 |
8-Ø18 |
200 |
160 |
8-Ø19 |
200 |
160 |
8-Ø18 |
|
100 |
4 |
127 |
190 |
420 |
138 |
220 |
180 |
8-Ø18 |
220 |
180 |
8-Ø19 |
235 |
190 |
8-φ22 |
|
125 |
5 |
140 |
200 |
460 |
164 |
250 |
210 |
8-Ø18 |
250 |
210 |
8-Ø19 |
270 |
220 |
8-Ø26 |
|
150 |
6 |
140 |
210 |
555 |
175 |
285 |
240 |
8-Ø22 |
285 |
240 |
8-φ22 |
300 |
250 |
8-Ø26 |
|
200 |
8 |
152 |
230 |
760 |
200 |
340 |
295 |
8-Ø22 |
340 |
295 |
12-Ø23 |
360 |
310 |
12-Ø26 |
|
250 |
10 |
165 |
250 |
830 |
243 |
395 |
350 |
12-Ø22 |
405 |
355 |
12-Ø26 |
425 |
370 |
12-Ø30 |
|
300 |
12 |
178 |
270 |
895 |
250 |
445 |
400 |
12-Ø22 |
460 |
410 |
12-Ø26 |
485 |
430 |
16-Ø30 |
|
350 |
14 |
190 |
290 |
950 |
280 |
505 |
460 |
16-Ø22 |
520 |
470 |
16-Ø26 |
555 |
490 |
16-Ø33 |
|
400 |
16 |
216 |
310 |
1190 |
305 |
565 |
515 |
16-Ø26 |
580 |
525 |
16-Ø31 |
620 |
550 |
16-Ø36 |
|
450 |
18 |
222 |
330 |
1255 |
350 |
615 |
565 |
20-Ø26 |
640 |
585 |
20-Ø31 |
670 |
600 |
20-Ø36 |
|
500 |
20 |
229 |
350 |
1305 |
380 |
670 |
620 |
20-Ø26 |
715 |
650 |
20-Ø34 |
730 |
660 |
20-Ø36 |
|
600 |
24 |
267 |
390 |
1340 |
445 |
780 |
725 |
20-Ø30 |
840 |
770 |
20-Ø37 |
845 |
770 |
20-Ø39 |
|
700 |
28 |
292 |
430 |
1520 |
480 |
895 |
840 |
24-Ø30 |
910 |
840 |
24-Ø37 |
960 |
875 |
24-Ø42 |
|
800 |
32 |
318 |
470 |
1710 |
530 |
1015 |
950 |
24-Ø33 |
1025 |
950 |
24-Ø41 |
1085 |
990 |
24-Ø48 |
|
900 |
36 |
330 |
510 |
1810 |
580 |
1115 |
1050 |
32-Ø33 |
1125 |
1050 |
28-Ø41 |
1185 |
1090 |
28-Ø48 |
|
1000 |
40 |
410 |
550 |
1960 |
650 |
1230 |
1160 |
32-Ø36 |
1255 |
1170 |
28-Ø43 |
1320 |
1210 |
28-Ø56 |
|
1200 |
48 |
470 |
630 |
2250 |
760 |
1455 |
1380 |
32-Ø39 |
1485 |
1390 |
32-Ø49 |
1530 |
1420 |
32-Ø56 |
|
1400 |
56 |
530 |
710 |
2435 |
850 |
1675 |
1590 |
36-Ø42 |
1685 |
1590 |
36-Ø49 |
1755 |
1640 |
36-Ø62 |
|
1600 |
64 |
600 |
790 |
2780 |
1030 |
1915 |
1820 |
40-Ø48 |
1930 |
1820 |
40-Ø56 |
1975 |
1860 |
40-Ø62 |
|
1800 |
72 |
670 |
870 |
3020 |
1230 |
2115 |
2020 |
44-Ø48 |
2130 |
2020 |
44-Ø56 |
2195 |
2070 |
44-Ø70 |
|
2000 |
80 |
760 |
950 |
3270 |
1350 |
2325 |
2230 |
48-Ø48 |
2345 |
2230 |
48-Ø62 |
2425 |
2300 |
48-Ø70 |
Why Choose FYL (Tianjin Fuyaolai Technology Co., Ltd.)?
Comprehensive Manufacturing
Established in 2010, FYL has evolved into a comprehensive enterprise. We don't just manufacture; we design. With over 50 series and 600+ products, we offer a "one-stop" shop for valves, penstocks, and pipe fittings.
Customization & OEM Excellence
We understand that every project has unique requirements. FYL technicians are available to provide specific designs based on your technical drawings or site conditions. Our OEM capabilities allow us to produce valves that meet your brand's exact standards.
Global Track Record
Our products are exported to Europe, America, the Middle East, and Southeast Asia. The FYL brand is synonymous with "Stable Performance" and "Long Service Life" among our international clientele.
Hot Tags: Counterweight Butterfly Valve, China, Manufacturers, Suppliers, Factory, Price, Made in China
Related Category
Send Inquiry
Please feel free to give your inquiry in the form below. We will reply you in 24 hours.
