Summary
A fully-lugged butterfly valve.
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Application
- Suitable for high pressure applications.
- Suitable for Group 2 liquids as defined by the Pressure Equipment Directive 2014/68/EU.
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Description
A fully-lugged butterfly valve.
Features and benefits:
- Robust, ductile Iron valve bodies for long service life.
- Stainless steel disc for improved strength and a wide range of applications.
- Suitable for wide temperature range -10°C to 120°C.
- Extended size range for application requirements.
- Fully lugged for secure installation.
- Rated PN25 for higher pressure applications.
- Lever (FM638) and Gearbox (FM639) options available.
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Color
Black
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Material
Cast iron
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SKU Code
FM639, FM638
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Specification
Classification data
Standard
To BS EN 1092-2; BS EN 558; BS EN 593: 2009; BS EN 12266-1.
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PN rating
PN25.
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Working conditions
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Type of fluid
Suitable for Group 2 liquids as defined by the Pressure Equipment Directive 2014/68/EU.
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Maximum working pressure
25 (BAR).
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Fluid temperature
-10 to 120°C.
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Materials
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Body
Ductile Iron EN-GJS-400-15.
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Shaft
Stainless Steel 431 ASTM A276 431; Stainless Steel 630 ASTM A564 630.
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Disc
Stainless Steel 304 ASTM A351 CF8.
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Operation
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Manual
Gear.
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Additional properties
Inlets/outlets diameter
50 mm.
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Dimensions
(138 + 65) x 43 mm.
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Weight
5 kg.
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Thread size
4-M16.
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Third-party certification
ISO 5211-2001.
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Angle
45°.
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Flow capacity
91 Kv.
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Sustainability data
Material
Cast iron
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Recyclability
Recyclable
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Expected Life
20 year
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