Belimo D6125WL - 2-way butterfly valve DN 125

Belimo D6125WL butterfly valve

2-way butterfly valve with threaded holes in the body for open and closed water systems. The technical data sheet specifies its use for switching heat generators or cooling equipment on and off.

Key technical data

• DN 125; PN 16; ps 1600 kPa.
• Kvs 310 m³/h; Kvmax 990 m³/h.
• Fluid: water, water with a maximum of 50% by volume glycol.
• Fluid 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.
• Leak-tightness: bubble-tight, leakage rate A (EN 12266-1).
• Rotation angle: 90°. Pipe connection: flange, in accordance with ISO 7005-2 and EN 1092-2.
• Body: EN-GJS-400-18-LT (GGG 40.3); closing element: stainless steel 1.4581; seat: EPDM.

Permitted installation position: from vertical to horizontal relative to the stem. Installation with the stem pointing downwards is not permitted. While fluid is flowing, the valve must not operate without an actuator or worm gear.