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We are offering concentric butterfly valve. size: 2"-48" pressure: 150lb-600lb material: ductile iron, aluminum bronze, ss, monel design & manufacture std.: api609, mss sp-67 face to face std.: api609 flange ends std.: asme b16.116.5b16.47bs4504 test standard: api598 operation: lever, gear, pneumatic, electric acturtor.
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