FYL is factory located in Tianjin China. Factory specialized in producing different type of valves. FYL Wafer 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.
Tianjin Fuyaolai Technology Co., Ltd. is a comprehensive enterprise integrating design, manufacturing, and sales. We focus on delivering customized OEM solutions and standard valve products with consistent quality. With decades of production experience and continuous technical improvement, our products are exported worldwide and widely recognized in water treatment, chemical, energy, and industrial pipeline systems.
The Wafer Butterfly Valve adopts a center line design structure, composed of valve body, disc, seat, stem, and transmission operating mechanism. During the production process, we select high temperature resistant, low temperature resistant, corrosion resistant, and aging resistant materials according to different working environments. This ensures stable performance even under long-term operation.
In actual pipeline systems, the FYL Wafer butterfly valve is installed between two flanges and provides quick shut-off or flow regulation. Whether in water treatment systems or chemical pipelines, it performs reliably in medium pressure conditions. The compact structure makes it especially suitable for space-limited installations.
The Wafer Butterfly ValveFYL integrates multiple engineering advantages developed through years of manufacturing experience in China Manufacturer & Supplier facilities:
In medium and large-scale pipeline systems, the Wafer Butterfly Valve is often chosen for its balance between performance and cost efficiency. From upper-level main pipelines to middle distribution systems and lower-level discharge lines, it maintains consistent control accuracy.
The FYL Wafer butterfly valve is widely used in multiple industries due to its adaptability and stable performance. As a China Manufacturer & Supplier product, it has been applied in both domestic and international projects.
Application fields include water supply and drainage systems, sewage treatment plants, HVAC systems, petroleum pipelines, chemical processing, food and beverage production, pharmaceutical systems, textile industry, paper making, hydro power stations, shipbuilding, metallurgy, and energy engineering systems.
In water treatment projects, it is commonly installed in both main pipelines and branch pipelines. In chemical and petroleum industries, it is used for flow isolation and regulation in corrosion-resistant environments. In HVAC systems, it ensures efficient temperature-controlled water circulation.
Tianjin Fuyaolai Technology Co., Ltd. operates a modern production facility established in 2010, focusing on water conservancy machinery and industrial equipment. Our factory produces valves, pipe fittings, mechanical bar screens, penstocks, and cranes.
We continuously expand production capacity and overseas business channels, offering both standard products and customized OEM solutions. Our technical team can design products according to customer requirements, ensuring flexibility for different engineering projects.
Pre-sales Service: 7×24 online support, technical consultation, product selection guidance, and customized solution design based on project requirements.
In-sales Service: Real-time production tracking and progress updates to ensure transparency and delivery reliability.
After-sales Service: Installation guidance, operational support, and problem-solving assistance to ensure stable system performance after delivery.





|
Shell test (MPa) |
1.5MPa、2.4MPa、3.0MPa |
|
Seal test (MPa) |
1.1MPa、1.76MPa、2.2MPa |
|
Operation |
Hand wheel,pneumatic, electric,worm gear |
|
applicable medium |
Water,sewage,sea water,air, steam |
|
DN |
L±2 |
L1 |
D1 |
H2 |
H1 |
Z-d |
n-M |
|---|---|---|---|---|---|---|---|
|
50 |
43 |
250 |
125 |
88 |
64 |
4-Φ18 |
4-M16 |
|
65 |
46 |
250 |
145 |
115 |
80 |
4-Φ18 |
4-M16 |
|
80 |
46 |
250 |
160 |
130 |
85 |
4-Φ18 |
4-M16 |
|
100 |
52 |
250 |
180 |
150 |
110 |
4-Φ18 |
4-M16 |
|
125 |
56 |
280 |
210 |
170 |
127 |
4-Φ18 |
4-M16 |
|
150 |
56 |
280 |
240 |
185 |
140 |
4-Φ22 |
4-M20 |
|
200 |
60 |
280 |
295 |
215 |
175 |
4-Φ22 |
4-M20 |
|
DN |
L±2 |
D1 |
H2 |
H1 |
Z-d |
n-M |
|---|---|---|---|---|---|---|
|
150 |
56 |
240 |
185 |
140 |
4-Φ22 |
8-M20 |
|
200 |
60 |
295 |
215 |
175 |
4-Φ22 |
8-M20 |
|
250 |
68 |
350 |
245 |
206 |
4-Φ22 |
12-M20 |
|
300 |
78 |
400 |
285 |
242 |
4-Φ22 |
16-M20 |
|
350 |
78 |
460 |
305 |
265 |
4-Φ22 |
16-M20 |
|
400 |
102 |
515 |
357 |
308 |
4-Φ22 |
16-M20 |
|
450 |
114 |
565 |
385 |
330 |
4-Φ26 |
20-M24 |
|
500 |
127 |
620 |
450 |
350 |
4-Φ26 |
20-M24 |
|
600 |
154 |
725 |
510 |
410 |
4-Φ30 |
20-M27 |
|
700 |
168 |
840 |
550 |
480 |
4-Φ30 |
20-M27 |