Centerline Butterfly Valve
Design standard:
Basic standard: API 609, ASME B16.34;
Flange connection dimesion: ASME B16.5
Double-offset Butterfly Valve
Design standard:
Basic standard: API 609, ASME B16.34;
Flange connection dimesion: ASME B16.5
Triple-offset Butterfly Valve
Design standard:
Basic standard: API 609, ASME B16.34;
Flange connection dimesion: ASME B16.5
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