FeaturesRobust, ductile Iron valve bodies for long service life. Stainless steel disc for improved strength and a wide range of applications. Valve body fully-lugged for secure installation. Long neck designed for insulation requirements. Maintenance free valve design, reducing downtime. External epoxy coating for improved durability. Suitable for wide temperature range -10°C to 120°C. Fig. 4970 lever operated valves available in sizes DN50 to DN200. Fig. 4970G gear operated valves available in sizes DN50 to DN600.
Finishn/a
Graden/a
H32.00 mm
H1106.00 mm
H2179.00 mm
Handle Length265.00 mm
Handle Width50.00 mm
Ifc Export AsIfcValve
Ifc Export TypeIfcValveTypeEnum.CHECK
K90.00 mm
K Coefficient694
KeynoteS
L52.00 mm
L1265.00 mm
Liner OptionPlease choose one option from the two below:
Loss MethodK Coefficient
Lug Hole Offset90.00 mm
Lug Hole Radius8.00 mm
Lug Inner Radius71.10 mm
Lug Outer Radius14.00 mm
ManufacturerCrane FS
Manufacturer NameCrane FS
MaterialDuctile Iron
ModelF631 - Fully-Lugged Lever Operated Butterfly Valves - Ductile Iron
Model NumberF631
Model ReferenceF631 - Fully-Lugged Lever Operated Butterfly Valves - Ductile Iron
NBS DescriptionButterfly valves
NBS Noten/a
NBS Object NameCrane FS - Butterfly valves
NBS Office Master Tagn/a
NBS Reference90-10-90/332
Nominal Depth0.00 mm
Nominal Height0.00 mm
Nominal Length0.00 mm
P180.00 mm
Production Year2025
Referenced Standardn/a
Replacement Costn/a
S11.00 mm
Shapen/a
Size100mm
Spare Partsn/a
Symbol Length60.00 mm
Type CommentsF631 - Fully-Lugged Lever Operated Butterfly Valves - Ductile Iron
Type NameF631 - Fully-Lugged Lever Operated Butterfly Valves - Ductile Iron
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Bimstore on 14 October 2025
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