Manual Flange Butterfly Valve With Handwheel
Manual flanged butterfly valves are known for their compact design and light weight. They are easy to operate with just a 90° turn and require minimal torque. Their design allows for easy disassembly and maintenance, making them versatile for various installations.
The sealing structure features a composite seat of PTFE, synthetic rubber, and phenolic resin for high strength and elasticity, ensuring superior sealing performance. The fully PTFE-coated butterfly plate offers excellent corrosion resistance, while the pinless design eliminates leakage points, enhancing reliability.
These valves have near-linear flow characteristics for precise flow control and a spherical butterfly plate shape that improves sealing and extends service life. Replaceable seals and customizable claddings for corrosion and abrasion resistance ensure long-term durability in diverse environments.
Model: Manual Flange Type Valve
Size Range: 2″ to 40″
Pressure Range: 1.0 to 1.6MPa
Material : Cast Iron, Cast Steel, WCB, Stainless Steel
Features
- Compact design: Compact, lightweight, easy to install and maintain, improving the efficiency of operation and maintenance.
- Easy operation: Only need to rotate 90 ° can be quickly opened and closed, low torque, easy to operate.
- Corrosion resistance: The butterfly plate is coated with PTFE material, which has excellent corrosion resistance and is suitable for various environments.
- High durability: The pinless connection design between the butterfly plate and stem eliminates the possibility of internal leakage and improves the reliability and durability of the product.
- Outstanding Flow Adjustability : Long service life: the spherical butterfly plate improves sealing performance and prolongs valve life, maintaining zero leakage even after opening and closing the valve more than 50,000 times.
- Easy maintenance: The seals can be modified according to the needs of different working conditions, and can be sprayed with various coatings according to the user’s requirements to improve corrosion and abrasion resistance.
Technical Parameters
Port Size: | 2″ to 40″ | Material: | Cast Iron, Cast Steel, WCB, Stainless Steel |
Pressure: | 1.0 to 1.6MPa | Disc Material: | Stainless steel |
Warranty: | 12 Moths | Function: | Manual |
Flange Standard: | GB, ANSI, JIS, DIN etc. | Suitable Media | Air, Inert Gas, Oil, Seawater, Water, and other media. |
Application
1.In fluid handling:
These valves are widely used in the chemical and food industries for flow regulation and shut-off, ensuring smooth operations. In oil and gas, they control flow rates in pipelines and lubrication systems, optimizing petroleum product handling.
2. In powder handling:
The valves control powder flow and ensure environmental isolation, vital in pharmaceutical and fertilizer production. In steam systems, they manage steam flow in power plants and boilers, enabling efficient thermal energy transfer.
3. In gas processing:
Manual flange butterfly valves regulate gas flow and shut off media, ensuring stable air and inert gas transport. They are crucial for precise flow control and system efficiency. In water treatment, they manage water flow and wastewater processes, enhancing operational effectiveness.
4. In HVAC systems :
Manual flange butterfly valves regulate chilled and hot water flow, ensuring optimal indoor climate. They are crucial in fire protection systems for managing firefighting water flow. In agricultural irrigation, these valves adjust water flow to improve efficiency, and in air conditioning systems, they control cooling and heating water flow.
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