ISORIA 20/25
Centred-disc butterfly valve with ISO 5211 compliant square shaft end, sealed by elastomer liner, with lever or manual gearbox, pneumatic, electric or hydraulic actuator. Semi-lug body (T2), full-lug body (T4) or U-section body with flat faces (T5). Body types T2, T4 and T5 are suitable for downstream dismantling and dead-end service with counterflange. Connections to EN, ASME, JIS.
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Description
Main Applications
– Cooling circuits
– Seawater desalination/reverse osmosis
– Flue gas desulphurisation
– Paper industry / pulp industry
– Washing plants
– General irrigation systems
– Shipbuilding
– Pipelines and tank farms
– Process engineering
– Sugar industry
– Pressure boosting
– Water treatment -
Advantages
– The spherical contact between valve disc and liner ensures durable and permanently tight shut-off.
– Splined or keyed connection between shaft and valve disc: dry shaft, no contact with fluid handled
– Sealing to atmosphere is ensured even when the actuator has been removed.
– Marking indicates position of valve disc
– Valve equipped with stainless steel plain bearing with reinforced PTFE coating depending on DN -
Suitability
Butterfly valve
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Technical Features
- Nominal pressure
- PN 20, PN 25
- Max. nominal size
- DN 1000
- Maximum allowable fluid temperature
- 200 °C
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Downloads
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