Double flanged ISO series
The World-Valve Iso-series concentric double flanged butterfly valves have a fully vulkanized liner for on/off and control services for liquids and gasses in general services, in the power industry, marine industry, chemical and petro chemical industry, on-/offshore applications, etc.
Features
- Standardized actuation flange
- Centric shaft position
- Shaft in PTFE lines bearings
- Lining bonded to the body
- No fluid contact with body
- Streamlined disc shape
- No flange gaskets required
- No cavities in the flow passage
Benefits
- Low operating torques
- High reliability by bonded lining
- Excellent sealing properties
- No lining movement when cycling
- No internal body corrosion
- Suitable for vacuum conditions
- Easy installation
SHORT SPECIFICATION OVERVIEW
- Standard according to: ISO - DIN – BS – API*
- Flange connection: DIN-PN 6/10/16, ANSI Class 125/150, JIS 5/10/16K*
- Dimensions: 50 - 2.000mm*
- Face to Face dimensions: DIN 3202 F16/F4 (ISO Series 13/14) (BS Short/Long)
- Maximum working pressure*: 16 bar
- Temperature range*: -30°C ÷ 200°C
- Body materials: GGG40/ Al. Bronze/ AISI 316/ GSC-25/ Duplex/ Other*
- Disc materials: Al. Bronze/ AISI 316/ Duplex/ Hastelloy/ Other*
- Liner: BUNA-N/ EPDM/ Viton/ Hypalon/ Vulkolan/ Other*
*Details on specification can be found in the PDF documentation, other requirements can be offered on request.
DOWNLOADS
International standards
Lining vulcanised to the valve body face to face dimensions according international standards
- WVFL-F16 Double flanged type Download (pdf)
- WVFL-F4 Double flanged type Download (pdf)
Technical information
Installation and maintenance instruction
- Installation Installation and maintenance instructions Download (pdf)
- Instructions KV and CV values double ecentric Download (pdf)
- Valve torque Download (pdf)
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The Netherlands
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8170 AB Vaassen
The Netherlands
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When it comes to transporting and regulating liquids, gases and solids as safely as possible, valves, fittings and regulating devices from AVK Industrial Nederland BV play a decisive role. Our many years of experience mean we can act as an international solutions provider for the most demanding applications and projects.
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