Wafer-type rubber-sealed butterfly valve

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Centerline Butterfly Valve

It can be customized according to different needs. Fresh water, sewage, seawater, industrial wastewater, and other corrosive liquids.

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1. Product Features (Customizable according to different needs)
1. Compact and lightweight, easy to disassemble and maintain, flexible installation positions.
2. Simple and compact structure, quick 90-degree rotation for opening and closing.
3. Low operating torque, labor-saving and lightweight.
4. Flow characteristics tend to be linear, with good regulation performance.
5. Opening and closing test cycles can reach tens of thousands, with a long service life.
6. Achieves complete sealing, with zero leakage in airtightness tests.
7. By selecting different component materials, it can be suitable for various media.

2. Usage Scenarios
Municipal water supply and drainage systems, industrial pipeline systems, water treatment systems, energy systems, offshore wind power, marine engineering, oil and gas platforms.

3. Applicable Media
Clean water, sewage, seawater, industrial wastewater, and other corrosive liquids.

4. Temperature Range
Applicable temperature range: -10℃ to 80℃.

5. Materials
1. Valve Body Material
Ductile iron, carbon steel, etc.

2. Valve Disc Material
Ductile iron, stainless steel, etc.

3. Valve Stem Material: Stainless steel

4. Sealing Ring Material

Nitrile rubber (NBR), EPDM, fluororubber (FKM).

5. Packing Material

Flexible graphite: has good sealing and high-temperature resistance, ensuring reliable sealing of the valve under high-temperature conditions.

6. Standards Compliance
1. Design and Manufacturing Standards
GB/T 12238-2008
EN 593-1:2002
API 609

2. Flange Connection Standards
GB/T 9124
EN 1092-1:2001
ANSI B16.5

3. Structural Length Standards
GB/T 12221-2005
EN 593-1:2002