Chinese Standard multi-level Hard Sealing Wafer Butterfly Valve
Chinese Standard multi-level Hard Sealing Wafer Butterfly Valve

A butterfly valve is a simple and compact valve device widely used in fluid control. Its core component is a disc-shaped butterfly plate, which rotates 90 degrees to control fluid flow and regulate flow rate. Butterfly valves are lightweight, quick to open and close, and have low flow resistance, making them widely used in water supply and drainage, HVAC, chemical, and power industries, especially excelling in applications requiring rapid opening and closing or frequent operation.

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Product Parameters

Size range:DN50-DN2000


Design standard:JB/T 8527


Structural length standard:GB/T 12221


Inspection and testing standard:GB/T 13927


Flange connection standard:

GB/T 9124




Temperature range:-196℃-550℃


Main material:Carbon steel, stainless steel, alloy steel, duplex steel, low-temperature steel, nickel-based steel, titanium alloy, etc.


Connection methods:RFRTJ



Transmission method:Manual, gear drive, electric, pneumatic, and hydraulic.


Product Features

Adaptability to Frequent Opening and Closing

The hard sealing surface experiences minimal wear and can withstand tens of thousands of opening and closing cycles, making it suitable for chemical processes requiring frequent operation.

Bidirectional Sealing

The multi-layered metal sealing surface provides bidirectional sealing capability, ensuring low or zero leakage regardless of the media flow direction.

High-Temperature and High-Pressure Shutdown

The hard metal seal design enables reliable shut-off at high temperatures (up to 550℃) and high pressures.

Product Advantages

Product Parameters

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production line

Packaging and transportation

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Application scenario

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