Belimo D6250WL - 2-way butterfly valve DN 250

Belimo D6250WL butterfly valve

2-way butterfly valve DN 250 with flange connection and threaded holes in the body. Designed for open and closed water systems, including switching heat sources or cooling units.

Key technical data

• DN 250, PN 16; ps 1600 kPa.
• Kvs 1300 m³/h; Kvmax 4200 m³/h.
• Medium: water, water with up to 50% vol. glycol.
• Medium temperature: -20...120°C [-4...248°F].
• Differential pressure: ∆pmax 300 kPa.
• Flow characteristic: 0...60% opening angle — equal percentage; 0...100% opening angle — S-shaped. A linear characteristic can be configured using Belimo Assistant 2.
• Leakage rate A (EN 12266-1); rotation angle 90°.
• Body: EN-GJS-400-18-LT (GGG 40.3); closing element: stainless steel AISI 304 (CF-8, 1.4308); seat: EPDM.
• Pipe connection: flange according to ISO 7005-2 and EN 1092-2.

Permitted installation from vertical to horizontal position relative to the spindle. Do not install with the spindle pointing downwards. The valve must not operate with medium flowing without an actuator or worm gear.