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Summary
A fully-lugged, lever (Fig. 970) or gearbox (Fig. 970G) operated gas butterfly valve.
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Application
- Suitable for gas applications.
- Valves may be used for flow regulation.
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Description
A fully-lugged, lever (Fig. 970) or gearbox (Fig. 970G) operated gas butterfly valve.
Features and benefits:
- Robust ductile iron valve body for long service life.
- Integrated notch plate for a more compact design.
- The anti blow-out stem design provides a safe and secure operation.
- Fully bonded epoxy paint system for superior corrosion resistance.
- Suitable for applications where Level 3 C3 (medium) corrosion protection is required.
- Maintenance free valve design, reducing downtime.
- Valves DN250 and larger supplied as standard with a fully enclosed gear operator.
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Color
Blue, Yellow, Silver, Black
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Material
Cast iron
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SKU Code
Fig. 970, Fig. 970G
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Specification
Classification data
Standard
To BS EN 593 and BS EN 558.
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DN rating
DN50.
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PN rating
Temperature: -10 to +90°C: PN16.
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Working conditions
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Type of fluid
Gaseous.
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Maximum working pressure
10 to 16 bar.
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Materials
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Body
Ductile iron (epoxy paint).
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Shaft
Stainless steel type 410.
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Disc
Aluminium bronze.
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Seat
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Operation
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Manual
Lever.
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Additional properties
Dimensions
109 x 246 x 72 x 43 x 32 x 212.5 x 52.9 x 125 mm.
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Weight
3.6 kg.
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Flow capacity
98 Kv.
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Thread size
4 x M16.
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Sustainability data
Material
Cast iron
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Recyclability
Recycle locally
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Expected Life
20 year
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