Series 69 Wafer type
The World-Valve Series 69 butterfly valves are fitted with a full rubber lining that is firmly bonded to the body by vulcanization. This type of lining specifically suits demanding processes and environments.
Sizes range from DN 25 to 600 mm are available in three main varieties: wafer type, lugged wafer type and double flanged type.
Features
- Lining bonded to the body
- No fluid contact with body
- No flange gaskets required
- Body strength
- Edge shape design
- Optimized rubber hardness
- Rubber extended over flange facing
- Bi-directional closure
- Easy assembly of actuator
Benefits
- Low consistent torques
- High reliability by bonded lining
- Excellent sealing properties
- Absence of creep when cycling
- Suitable for vacuum conditions
- Easy installation
- Reduced maintenance
- 100 % tight shut-off
- Corrosion protection of body & shaft
- Smooth flow of the medium
- High flow velocity
- Long life span
- Positive benefit to the TCO
SHORT SPECIFICATION OVERVIEW*
- Design code: EN 593
- Size Range: DN 50 – 600, NPS 2” – 24”
- End Connection: EN 1092 PN 10 and PN 16
- Face to Face: EN558-1/2 Series 20, API 609 Cat. A
- Maximum pressure: 10/16 bar – optional 20 bar
- Application: On/off, regulating, control valve
- Design pressure PS: Maximum 16 bar
- Design temperature TS: -20°C (-4°F) to +120°C (248°F)
- Flow velocity: Max. 5 m/s for liquids, max. 50 m/s for gases
- Seat tightness rate: Bi-directional – ISO 5208 rate A
* Special design options on request
DOWNLOADS
Datasheet
- Series 69 Datasheet Wafer type Download (pdf)
Features and benefits overview
- Series 69 Features and benefits Download (pdf)
Brochure
- Series 69 Brochure for marine applications Download (pdf)
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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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