Verified by manufacturer 2 months ago
FM639 DN50
A fully-lugged butterfly valve.
A fully-lugged butterfly valve.
Features and benefits:
Standard | To BS EN 1092-2; BS EN 558; BS EN 593: 2009; BS EN 12266-1. |
PN rating | PN25. |
Working conditions | |
Type of fluid | Suitable for Group 2 liquids as defined by the Pressure Equipment Directive 2014/68/EU. |
Maximum working pressure | 25 (BAR). |
Fluid temperature | -10 to 120°C. |
Materials | |
Body | Ductile Iron EN-GJS-400-15. |
Shaft | Stainless Steel 431 ASTM A276 431; Stainless Steel 630 ASTM A564 630. |
Disc | Stainless Steel 304 ASTM A351 CF8. |
Operation | |
Manual | Gear. |
Inlets/outlets diameter | 50 mm. |
Dimensions | (138 + 65) x 43 mm. Manufacturer guidanceRefer to technical datasheet for detailed dimensions. |
Weight | 5 kg. |
Thread size | 4-M16. |
Third-party certification | ISO 5211-2001. |
Angle | 45°. |
Materials | Manufacturer guidanceBody, Gear box (FM639): Ductile iron; Disc, Shaft, Pin: Stainless steel; Short bushing, Long bushing: Aluminium bronze; Seat: EPDM; ‘O’ Ring: NBR; Bolt: Carbon steel; Gear box (FM639): Cast iron; Lever (FM638): Malleable iron. |
Flow capacity | 91 Kv. Manufacturer guidanceFlow coefficient Kv. |
Material | Cast iron |
Recyclability | Recyclable Guidance for specification option: Recycle locally, consult manufacturer for details. |
Expected Life | 20 year |
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