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Type:
butterfly
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Body:
wafer, cast iron
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Temperature:
Min.: -40 °C (-40 °F)
Max.: 250 °C (482 °F)
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Operating pressure:
Min.: 10 bar (145.04 psi)
Max.: 16 bar (232.06 psi)
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DN:
Min.: 40 mm
Max.: 600 mm
The Butterfly valves item 375,376,377 has standard flanges of PN 10 - PN 16 - ANSI 150 from DN 40 to DN 300 and PN 10 from DN 350 to DN 600. It has certain requirements as per UNI EN593:2009 such as face to face as per EN 558 serie 20, valve head as per ISO 5211:2003 and tightness according to EN 12266-1 rate A. The operating temperature of the media varie from EPDM (-40°C to +135°C), NBR (-23°C to +82°C); FKM from -10°C to +190°C ), and PTFE (-25°C to +150°C). Its ambient temperature ranges from -25°C to +250°C.
butterfly valve / wafer / cast iron