Belimo H779N - 3-way globe valve DN 80
Belimo H779N is a 3-way globe valve with a flanged connection, DN 80, PN 16 and Kvs 90 m³/h. It is designed for water-side control in closed ventilation and heating systems.
Fluid temperature: -10...120°C [14...248°F]. Permitted fluid: water or water with a maximum of 50% by volume glycol.
Belimo H779N – 3-way globe valve
Flanged control valve for closed water systems, designed for water-side control in ventilation and heating systems.
Confirmed specifications
- Design: 3-way; DN 80; PN 16; flanged connection.
- Kvs: 90 m³/h; stroke: 18 mm.
- Fluid: water, water with a maximum of 50% by volume glycol.
- Fluid temperature: -10...120°C [14...248°F].
- Flow characteristic: A – AB equal-percentage, B – AB linear.
- Permissible leakage: A – AB max. 0.05% of the Kvs value; B – AB max. 1% of the Kvs value.
- Body: EN-GJL-250 (GG 25); closing element and stem: stainless steel; stem seal: EPDM O-ring.
Installation notes
Installation is permitted from vertical to horizontal relative to the axis; installation with the axis pointing downwards is not permitted. Observe the flow direction marked by the arrow on the body. For fluid temperatures of -10...2°C, the technical data sheet indicates that stem heating is required.
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Brand
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ReferenceH779N
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EAN137630498106934
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Kvs90 m³/h
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MediumWater, water with up to 50% vol. glycol.
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Pattern3-way
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Fluid temperature-10...120°C [14...248°F]
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Fluid temperature, noteWhen the medium temperature is -10...2°C, shaft heating is recommended.
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Flow characteristicA – AB: equal-percentage; B – AB: linear
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Permissible leakageA – AB: max. 0.05% of Kvs value; B – AB: max. 1% of Kvs value
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Pipe connectionFlange
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