User Manual

10
Siemens A6V10564480_en--_-g
Building Technologies 2020-05-05
Technical data
Functional data VWG41.20..
PN class PN 16
Operating pressure 16 bar
Maximum differential pressure 2 bar
Leakage rate "Air tight" per EN 12266-1, class A
Permissible media Chilled water, hot water, water with anti-freeze (max.
50% glycol).
Recommendation: Water treatment per VDI 2035
Medium temperature 5…90 °C
Rotational angle 90 °
Valve closed at 45 °
Materials
Ball valve body Hot-pressed brass CW617N
Marble Brass, chrome plated
Stem Stainless steel
Stem seal EPDM-O rings
Adapter plate Plastic PA66 GF30 / Aluminium alloy
Dimensions / Weight
See “Dimensions”
Connections with external threading G..B per ISO 228-1
Standards, guidelines
Pressure Equipment Directive DGR 2014/68/EU
Pressure accessories
Fluid group 2
Range: Article 1, para. 1
Definition: Article 2, para. 5
Without CE certification as per article 4, para. 3
(generally applicable engineering practice)
1)
Environmental compatibility The product environmental declarations
A6V10757071b_en
2)
and A6V101006951_--en
2)
contain data on environmentally compatible product
design and assessments (RoHS compliance, materials
composition, packaging, environmental benefit,
disposal).
1)
Fittings for a product where PS x DN < 1000, do not require special testing and cannot have CE labeling.
2)
Documents can be downloaded at the Internet address, see Section "Product documentation".
Application examples
Stem rotates counter-clockwise ⇒ Cooling sequence opens
Stem rotates clockwise ⇒ Heating sequence opens
The following applications describe the flow direction in a heated and chilled ceiling.