Belimo D6500NL - 2-way butterfly valve DN 500

Belimo D6500NL butterfly valve

2-way butterfly valve with threaded holes in the body, designed for open and closed water systems. It can be used to switch heat generators or cooling equipment on and off.

Key technical data

• DN 500, PN 16; pipe connection: flange.
• Kvs 7060 m³/h; Kvmax 24100 m³/h.
• ps 1600 kPa; maximum differential pressure ∆pmax: 300 kPa for DN 500.
• Medium: water, water with up to 50% by volume glycol; medium temperature: -20...120°C [-4...248°F].
• Flow characteristic: 0...60% opening angle — equal percentage; 0...100% opening angle — S-shaped.
• Tightness: bubble-tight, leakage rate A (EN 12266-1).
• Rotation angle: 90°.
• Body: EN-GJS-400-18-LT (GGG 40.3); closure element: stainless steel AISI 304 (1.4301); stem: stainless steel AISI 630 (1.4542); seat: EPDM.

Permitted installation position: from vertical to horizontal in relation to the stem. Do not install the valve with the stem pointing downwards.