Lug Type Wafer Butterfly Valve
Description
Lug type wafer butterfly valve is a versatile and efficient flow control device designed for a wide range of applications. It features a unique lug-style body, which allows easy installation and removal of the valve from the pipeline without disrupting the flow. This type of butterfly valve is known for its excellent sealing properties and minimal leakage, ensuring reliable and secure operation. The valve disc, positioned in the center of the pipe, can be rotated 90 degrees to either allow or block the flow of fluids, making it ideal for isolating or regulating the flow. Lug type butterfly valves are widely used in industries such as water treatment, HVAC systems, chemical processing, and more. They are valued for their durability, high performance, and ease of maintenance. With their robust construction and precise control capabilities, lug type butterfly valves provide efficient fluid handling solutions in various industrial processes.
Technical Parameters

COMPONENTS
| 1 | Body | Ductile Iron |
| 2 | Disc | Ductile Iron |
| 3 | stem | SS420/SS304 |
| 4 | Seat | NBR |
| 5 | O-Ring | NBR |
Dimensions
| mm | mm | A | B | C | D | L | H | D1 | n-M | K | E | n1-Φ1 | Φ2 | G | Weight(kg) |
| 50 | 2. | 161 | 80 | 42 | 52.9 | 32 | 84.84 | 120 | 4-M16 | 77 | 57.15 | 4-6.7 | 12.6 | 118 | 3.8 |
| 65 | 2.5 | 175 | 89 | 44.7 | 64.5 | 32 | 96.2 | 136.2 | 4-M16 | 77 | 57.15 | 4-6.7 | 12.6 | 137 | 4.2 |
| 80 | 3 | 181 | 95 | 45.2 | 78.8 | 32 | 61.23 | 160 | 8-M16 | 77 | 57.15 | 4-6.7 | 12.6 | 178 | 4.7 |
| 100 | 4 | 200 | 114 | 52.1 | 104 | 32 | 70.80 | 185 | 8-M16 | 92 | 69.85 | 4-10.3 | 15.77 | 200 | 9.0 |
| 125 | 5 | 213 | 127 | 54.4 | 123.3 | 32 | 82.28 | 215 | 8-M16 | 92 | 69.85 | 4-10.3 | 18.92 | 238 | 10.9 |
| 150 | 6 | 226 | 139 | 55.8 | 155.6 | 32 | 91.08 | 238 | 8-M20 | 92 | 69.85 | 4-10.3 | 18.92 | 266 | 14.2 |
| 200 | 8 | 260 | 175 | 60.8 | 202.5 | 45 | 112.89/76.35 | 295 | 8-M20/12-M20 | 115 | 88.9 | 4-14.3 | 22.10 | 329 | 18.2 |
| 250 | 10 | 292 | 203 | 65.6 | 250.5 | 45 | 92.40 | 357 | 12-M20/12-M20 | 115 | 88.9 | 4-14.3 | 28.45 | 393 | 26.8 |
| 300 | 12 | 337 | 242 | 76.9 | 301.6 | 45 | 105.34 | 407 | 12-M20/12-M24 | 140 | 107.95 | 4-14.3 | 31.60 | 462 | 40 |
| 350 | 14 | 368 | 267 | 76.5 | 333.3 | 45 | 91.11 | 467 | 16-M20/16-M24 | 140 | 107.95 | 4-14.3 | 31.60 | 515 | 56 |
| 400 | 16 | 400 | 300 | 86.8 | 389.6 | 51.2/72 | 100.47/102.42 | 515/525 | 16-M24/16-M27 | 197 | 158.75 | 4-20.6 | 33.15 | 579 | 96 |
| 450 | 18 | 422 | 328 | 105.6 | 440.5 | 51.2/72 | 88,39/91.51 | 565/585 | 20-M24/20-M27 | 197 | 158.75 | 4-20.6 | 38 | 627 | 122 |
| 500 | 20 | 480 | 361 | 131.8 | 491.6 | 64.2/82 | 96.99/101.68 | 620/650 | 20-M24/20-M30 | 197 | 158.75 | 4-20.6 | 41.15 | 696 | 202 |
| 600 | 24 | 562 | 459 | 152 | 592.5 | 70.2/82 | 113.45/120.46 | 725/770 | 20-M27/20-M33 | 276 | 215.9 | 4-22.2 | 50.65 | 821 | 270 |
Product Advantage
Easy Installation: Lug type butterfly valves feature a lug-style body design, ensuring effortless installation and removal from pipelines, saving time and effort during setup.
Reliable Sealing: These valves provide excellent sealing properties, minimizing leakage and ensuring a secure and reliable flow control in various industrial applications.
Versatility: Designed for a wide range of applications, lug type butterfly valves are versatile, making them suitable for diverse industries such as water treatment, chemical processing, and HVAC systems.
Robust Construction: With durable materials and robust construction, these valves offer long-lasting performance, reducing maintenance requirements and ensuring a cost-effective solution over time.
Precise Flow Control: The 90-degree rotation of the valve disc enables precise control over fluid flow, allowing for accurate regulation and isolation of the flow, enhancing overall operational efficiency.
FAQ
Q: What is a lug type wafer butterfly valve?
A: This is a flow control device with a unique lug-style body design for easy installation and removal from pipelines.
Q: Where are these valves commonly used?
A: These valves find applications in water treatment, chemical processing, HVAC systems, and various industrial processes.
Q: How is the sealing performance of this valve?
A: This valve offer excellent sealing properties, ensuring minimal leakage and secure flow control.
Q: Can it be used for precise flow regulation?
A: Yes, these valves allow precise flow control through a 90-degree rotation of the valve disc, enabling accurate regulation and isolation of the flow.
Q: What are the maintenance requirements for lug type butterfly valves?
A: With their robust construction, these valves have low maintenance needs, providing long-lasting performance and reducing operational costs.
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