Nominal Diameter:28”
Bore: Full Bore
Nominal Pressure:150LB
Material: Aluminum Bronze
Operation: Lever
Design Standard: API609
Test/Inspection: API598
End Connection: Lug
Lug standard: ASME/ANSI B16.47
Top Flange: ISO5211
| Valve Size | DN50-1600, NPS 2-60 |
| Pressure Rating | N1-100, 150LB-600LB |
| Materials | WCB, LCB, LC1, CF8, CF8M, CF3, CF3M, 4A, 5A, WC6, WC9, C95800 |
| Design and Manufacturing Standards | API 609, EN 593 |
| Face to Face Standards | API 609, EN 558, ISO 5752 |
| Flange Size Standards | ASME B 16.5, ASME B16.47, EN 1092-1, GOST 54432, JIS 2220 |
| Stress Test Standards | API 598, EN 12266-1 |
| Fire Safety Test Standard | API 607 |
| Quality/Product Certifications | ISO9001, ISO14001, ISO18001 |
| Unorganized Emissions | ISO 15848-1, API 622 |
| National ACE | NACE MR0175, NACE MR0103 |
| Valve Operator Options | hand wheel, worm wheel, electric actuator, pneumatic actuator, hydraulic actuator. |
| Shutdown Level | API 598 (Zero leakage) |
| Aperture | full aperture |
| Process Connection Types | sandwich, flange, lug, welding |
The lug triple eccentric butterfly valve is a specially designed butterfly valve that combines a lug connection and a triple eccentric design. Lugs usually refer to structures that have raised parts on the flange connection to help improve the stability and tightness of the connection. The three-eccentric design includes eccentricity in three directions of axis, radius and Angle to reduce operating torque, improve sealing performance and extend valve life.
The working principle of the lug triple eccentric butterfly valve is based on its unique design. In the closed state, the lug flange ensures that the valve is securely attached to the pipe, creating an effective seal. When the valve needs to be activated, the disc begins to rotate, and the three-eccentric design includes eccentricity in three directions: axial, radius and Angle. This design reduces operating torque and makes opening and closing easier.
As the disc rotates, the valve gradually opens to allow fluid to pass through. In the fully open state, the plate is parallel to the direction of fluid flow, minimizing fluid resistance. When closed, the plate rotates again into place, and the lug flange ensures a reliable seal that prevents fluid leakage.
The valve is connected with lug flanges to ensure a solid pipe connection and improve the stability and reliability of the system.
The three-eccentric design includes eccentricity in the three directions of axis, radius and Angle, which reduces the operating torque, improves the efficiency of opening and closing, and extends the valve life.
Our products and services comply with international standards and specifications to make sure that we only produce the best and highest quality products and services to our clients.
We offer tailor-made industrial valves to ensure that our product fits your application standards and demand. TIANYU is ISO, API, MSS, and ASME compliant to guarantee you the highest product quality.
As a business partner, TIANYU makes sure that we commit to our clients’ requested deadline because we very much understand the importance of adhering to the timeline required.
TIANYU’s service does not end once our industrial ball valves are being delivered. Also, we offer warranties and provide customer service to our clients as part of our quality service.
In the petrochemical industry, valves are used to control fluid flow, pressure, and prevent accidents. They are capable of enduring high temperatures and pressures in refinery environments, ensuring safe and smooth operation of processes.
In the power industry, valves are used to control the flow of steam, water, and oil. Globe valves and gate valves in steam pipelines ensure smooth steam transportation, while butterfly valves are commonly used to regulate flow.
In the food and beverage industry, valves are used for fluid transportation and control. These valves need to meet sanitary standards to ensure the safety and quality of food products.
In the environmental protection sector, valves are used in wastewater treatment systems to control the discharge of sewage, ensuring the effectiveness of wastewater treatment. They play an important role in environmental protection and sustainable development.
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Founded in 2009, Wenzhou Tianyu Valve Technology Co., Ltd. is a professional valve enterprise integrating design, development, production, and sales services, located in the hometown of Chinese valves – Oubei Town, Wenzhou.
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