Belimo D640N - 2-way butterfly valve DN 40

Name: Belimo D640N - 2-way butterfly valve DN 40
Brand: Belimo
SKU: D640N
Price: 499.69 PLN
Availability: BackOrder

Belimo

zł499.69

VAT included

zł406.25 tax excluded

Belimo D640N 2-way butterfly valve for open and closed water systems. Wafer-type design, DN 40, PN 6 / 10 / 16; Kvs 27 m³/h and Kvmax 65 m³/h.

Suitable for water and water containing up to 50% by volume glycol. Medium temperature: -20...120°C [-4...248°F].

Delivery in approx. 14 days

Belimo D640N butterfly valve

The D640N is a 2-way wafer-type butterfly valve for open and closed water systems, including switching heat generators or cooling equipment on and off.

Key technical data

Nominal diameter: DN 40; PN 6 / 10 / 16.
Kvs: 27 m³/h; Kvmax: 65 m³/h.
Medium: water, water containing up to 50% by volume glycol.
Medium temperature: -20...120°C [-4...248°F].
Maximum differential pressure ∆pmax: 300 kPa.
Flow characteristic: 0...60% opening angle – equal percentage; 0...100% – S-shaped.
Leakage rate: class A according to EN 12266-1.
Rotation angle: 90°; pipe connection: flange.
Body: EN-GJS-400-18-LT (GGG 40.3); closing element: AISI 304 (1.4301) stainless steel; seat: EPDM.

Permitted mounting position: from vertical to horizontal relative to the stem. Installation with the stem pointing downwards is not permitted.