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VM 2, PN 25, DN 20, 4.00 m³/h, G 1 A
VM 2, PN 25, DN 20, 4.00 m³/h, G 1 A

065B2016

VVS: 4364779

VM 2 PN25 20/4 2-way seated ext. thr

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Product details

Gross weight 0.956 Kilogram
Net weight 0.885 Kilogram
Volume 1.159 Liter
EAN 5702421508947

 

Application District Heating
Application alternative VSP Heating
Cavitation factor 0.5
Cavitation factor 100% 0.34
Cavitation factor 25% 0.58
Cavitation factor 50% 0.52
Cavitation factor 75% 0.5
China RoHS compliance Out of scope
Connection size G 1 A
Connection types External Thread
Control ratio 50:1
Description VM 2 PN25 20/4 2-way seated ext. thr
Diameter [mm] 20 mm
Differential pressure range [bar] [Max] 25 bar
EU RoHS compliance Yes with exemptions
EU RoHS exemption clause 6(c)
Flow characteristic Split
Function Pressure relief
In scope of WEEE and contain batteries No
Kvs values [m³/h] 4 m³/h
Leakage through port max. [% Kvs] 0.05
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 150 °C
Media temperature [°C] [Min] 2 °C
Medium alternative Glycolic water up to 30%
Number of ports 2
Permissible media District heating/cooling circulation water
PN alternative VSP 16
Pressure class PN 25
Pressure nominal [bar] 25 bar
Product group Motorized control valves
REACH Candidate List substances Lead (CAS no. 7439-92-1)
SCIP dossier no. 40bb988f-c8d6-4ef3-a8ac-582af84f370f
SCIP dossier product name VM2 (1)
Spindle position Normally open
Stroke [mm] 5 mm
Stuffing box sealing material EPDM
Type VM 2
UK RoHS compliance Out of scope
Valve body material Red bronze, mat. No. 2.1096.1 (RG5)
Valve cone material Stainless steel
Valve seat material Stainless steel
Valve size DN 20
Valve stem material Stainless steel

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Software and firmware to extend functionality