Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...
Type Available: Flanged type.
Sizes Available: DN50mm to DN1200mm (2" to 48")
Pressure Range: PN (MPa): 1.0, 1.6, 2.0, 2.5
Materials Standard: Others on request
Basic Design: ANSI/AWWA C504
Face to Face Dimension: BS5155 Short, ISO5752 (Series 13), DIN 3202 F16
Inspection & Testing: API 598
Flanged End Dimension: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16, JIS B2212/2213, BS 10 Table D
Top flange: ISO 5211
Suitable Mediums: Fresh water, sea water, gas, oils, acids, alkalis, etc
Suitable Temperature: -26℃-82℃
Design characters
Correcting holes are made on flange according to standard, easy correcting during the installation.
Through-out bolt or one-side bolt used. Easy replacing and maintenance.
Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.
