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China Factory Suppliers Wafer Butterfly Valve DN50-DN600, Stainless Steel & EPDM Rubber, Corrosion-Resistant
Product Specification
| Product Name | Butterfly Valve | Body/Disc Material | Ductile Iron |
| Type | Wafer | Shaft | SS304/SS316 |
| Size | DN50-DN600 | Seal | EPDM |
| Operation | Handle/Worm gear/Electric/Hydraulic/Peneumatic | Standard | DIN/ANSI/GOST/JIS/BS |
Product Description
Butterfly valves stand as indispensable components in contemporary fluid control networks, celebrated for their streamlined design and adaptable performance. Unlike bulkier valve alternatives, these devices feature a rotating disc that regulates flow, offering a perfect balance of efficiency and simplicity across diverse industrial sectors.
Key design variations cater to specific operational needs, with wafer-style and lug-style configurations leading the market. Wafer-style models excel in space-constrained setups, fitting snugly between pipeline flanges without extra mounting hardware. Lug-style options, by contrast, boast threaded lugs for secure installation, enabling easy removal without disrupting the entire piping system. High-performance three-offset designs further expand capabilities, delivering tight sealing and reduced operating torque for demanding applications involving high pressure or temperature.
Key design variations cater to specific operational needs, with wafer-style and lug-style configurations leading the market. Wafer-style models excel in space-constrained setups, fitting snugly between pipeline flanges without extra mounting hardware. Lug-style options, by contrast, boast threaded lugs for secure installation, enabling easy removal without disrupting the entire piping system. High-performance three-offset designs further expand capabilities, delivering tight sealing and reduced operating torque for demanding applications involving high pressure or temperature.
Actuation options enhance usability, with pneumatic or electric actuation devices enabling remote control or automatic operation. This functionality is critical in large-scale facilities where precise flow adjustment is required around the clock. Material selection also plays a pivotal role, with valves constructed from corrosion-resistant stainless steel, durable brass, or specialized polymers to handle media ranging from potable water to aggressive chemicals.
When selecting a butterfly valve, factors like pipeline size, operating pressure, and media type guide decision-making. Sizes typically range from small 2-inch units to large 12-inch models, each engineered to maintain optimal flow control while minimizing pressure drop. Their cost-effectiveness, combined with low maintenance requirements, makes them a preferred choice for water treatment plants, HVAC systems, and industrial processing lines worldwide.
Frequently Asked Questions
Q: What are the main benefits of using a butterfly valve?
A: Butterfly valves feature a streamlined, compact design with a rotating disc, making them lighter and more space-efficient than bulkier alternatives. They provide a perfect balance of simplicity, cost-effectiveness, and low maintenance requirements for diverse industrial sectors.
Q: What is the difference between wafer-style and lug-style configurations?
A: Wafer-style models fit snugly between pipeline flanges without extra mounting hardware, making them ideal for space-constrained setups. Lug-style models feature threaded lugs for secure installation, allowing easy removal of downstream piping without disrupting the entire system.
Q: What actuation methods are available for these butterfly valves?
A: These valves support manual handle or worm gear operations, as well as automatic systems including pneumatic, electric, and hydraulic actuation to enable remote control and precise flow adjustment.
Q: What materials are used to construct the valve components?
A: The body and disc are made of durable Ductile Iron, the shaft uses high-strength SS304/SS316, and the seal is constructed from EPDM. They can also be customized with stainless steel, brass, or specialized polymers depending on the chemical media.
Q: What standards and size ranges do these butterfly valves support?
A: They are available in sizes ranging from DN50 to DN600 (typically 2-inch to 12-inch units) and conform to major international standards including DIN, ANSI, GOST, JIS, and BS.