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...
Body: Stainless steel.
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, BS 10 Table E
Top flange: ISO 5211
Suitable Mediums: fresh water, sea water, gas, oils, acids, alkalis, etc
Test and inspection: API598
Butt-welding end: ANSI B16.25
Design and manufacture: API609
Face to face dimensions: API609, ANSI B16.10
End flange dimensions: ANSI B16.5, B16.47 SERIES A & SERIES B, DIN, BS, JIS
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.
Correcting holes are made on flange according to standard, easy correcting during the installation.
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