High-Performance Flange Hard Sealing Butterfly Valve for Industrial Use

• Customization: Available
• Media: Water
• Working Temperature: -29°c~425°c
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Product Model: D343h
• Nominal Diameter: 50-1200 mm
• Nominal Pressure: 0.6-4.0 MPa
• Suitable Temperature: -29°c to 425°c
• Transport Package: Export Wooden Box Packaging
• Trademark: SHANGBAOLUO
• Origin: China
• HS Code: 8481804090
• Production Capacity: 100PC/Monthly

Product Description

• Product Model: D343H

• Nominal Diameter: 50-1200 mm

• Nominal Pressure: 0.6-4.0 MPa

• Suitable Temperature: -29°C to 425°C

• Suitable Medium: Steam, oil, acid, seawater, etc.

• Connection Type: Flange

• Seal Type: Metal (hard) seal

• Operation Method: Manual, electric, or pneumatic

• Body Material Options: Cast steel, stainless steel, duplex steel (customizable)

The D343H Flange Hard Sealing Butterfly Valve is a high-performance valve designed for precise flow regulation and reliable shut-off in pipelines transporting steam, oil, acid, seawater, and other industrial fluids. Its metal-to-metal sealing structure offers superior wear resistance and tightness, making it suitable for high-temperature, high-pressure environments where traditional soft-seal valves may fail.
This valve is commonly used in industries such as petrochemical, metallurgy, thermal power, marine engineering, and environmental protection. The flange connection ensures secure pipeline integration, while the hard sealing disc and seat ensure a longer lifespan and minimal leakage under demanding conditions.
Thanks to its excellent resistance to corrosion, erosion, and high-temperature stress, the D343H valve is ideal for handling aggressive media, including high-pressure steam, hot oil, acidic liquids, and saline water. It can be manually operated or configured with electric or pneumatic actuators for automatic control in advanced pipeline systems.