Belimo D640NL - DN 40 2-way butterfly valve

Name: Belimo D640NL - DN 40 2-way butterfly valve
Brand: Belimo
SKU: D640NL
Price: 571.90 PLN
Availability: BackOrder

Belimo

zł571.90

VAT included

zł464.96 tax excluded

Belimo D640NL is a DN 40 2-way butterfly valve with threaded holes in the body and a PN 10 / 16 flange connection. Kvs is 27 m³/h and Kvmax is 65 m³/h.

Designed for water and water with a maximum of 50% vol. glycol; fluid temperature: -20...120°C [-4...248°F].

Delivery in approx. 14 days

Belimo D640NL – DN 40 butterfly valve

2-way butterfly valve with threaded holes in the body, designed for open and closed water systems and for switching heat generators or cooling equipment on and off.

Key technical data

DN 40; PN 10 / 16; ps 1600 kPa.
Kvs 27 m³/h; Kvmax 65 m³/h.
Fluid: water, water with a maximum of 50% vol. glycol.
Fluid temperature: -20...120°C [-4...248°F].
Maximum differential pressure ∆pmax: 300 kPa.
Flow characteristic: 0...60% opening angle – equal percentage; 0...100% opening angle – S-shaped.
Tightness: tightness class A (EN 12266-1).
Rotation angle: 90°.
Flange connection according to ISO 7005-2 and EN 1092-2.

Materials and installation

Body: EN-GJS-400-18-LT (GGG 40.3), polyester powder-coated.
Closing element: AISI 304 (1.4301) stainless steel; stem: AISI 420 (1.4021) stainless steel.
Seat and stem sealing ring: EPDM.
Permitted installation position: from vertical to horizontal relative to the stem; installation with the stem pointing downwards is not permitted.