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Flange Double Eccentric Butterfly Valve
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SpecificaTION

 

1. FEATURES

· Eccentric action reduces torque and seat contact during operation, extending valve service life

· Suitable for 90° on-off operation and regulation service

· The seat can be repaired on site, no needing dis-assembly

· Epoxy coating for corrosion resistance and long service life

· Good sealing capability, no leakage

 

2. TECHNICAL SPECIFICATION

· PN6/PN10/PN16/PN25

· Size: 4”~160” (DN100~4000mm)

· Materials: cast iron A126 B (GG25), ductile iron A536 65-45-12 (GGG40/50)

· Coating: fusion bonded epoxy coating min. thickness ≥250micron

· Working temperature: 0℃~+80℃

 

3. STANDARD

· Design & manufacturing: EN593-2004

· Face to face: EN558-1 series 14, DIN3202-F4

· Flange ends: ISO7005-2, EN1092-2, DIN2501

· Top flange: ISO 5211

· Inspection & testing: EN12266

 

4. APPLICATION

· Water works, water projects

· Environment protection

· Public facilities

· Power plant

· Real estate

· Petroleum, chemical industry

· Steel work, metallurgy

· Paper plant

· Food & beverage