003H6781

Part Number: 003H6781
003H6781
Manufacturer
Danfoss
Part number
003H6781
Category

Product Information

Extended Description

003H6781 Danfoss: AVQMT PN25 40/20 /0,2 flange flow/ret
Gross weight
12.458 Kilogram
Net weight
12.458 Kilogram
Volume
26.197 Liter
EAN
5702421543023
Actuator diaphragm material
EPDM
Application
District Heating
Cavitation factor
0.6
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 types
Flange
Contain batteries
No
Description
AVQMT PN25 40/20 /0,2 flange flow/ret
Diameter [mm]
40 mm
Differential pressure range [bar] [Max]
16 bar
EU RoHS compliance
Yes with exemptions
Flow control
Yes
Flow limitation
Yes
Flow rate [mÂł/h]
12 mÂł/h
Flow rate [mÂł/h] [Max]
12 mÂł/h
Flow rate [mÂł/h] [Min]
0.8 mÂł/h
Flow restrictor diff.pressure - dpb [bar]
0.2 bar
Function
Flow and temp. contr. with int. contr. valve
Function VSP - P
No
Function VSP - Q
No
Function VSP - T
No
Kvs values [mÂł/h]
20 mÂł/h
Leakage rate [% 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%
Mounting version
Free
Number of ports
2
Permissible media
District heating/cooling circulation water
PN alternative VSP
16
Pressure class
PN 25
Pressure controller
No
Pressure nominal [bar]
25 bar
Pressure relieve system control valve insert
Piston
Product group
Pressure flow controllers
REACH Candidate List substances
Lead (CAS no. 7439-92-1)
Sealing CV material
EPDM
Sealing DP material
EPDM
Setting Type
None
Stem position
Normally open
Stroke [mm]
10 mm
Type
AVQMT
UK RoHS compliance
Out of scope
Valve body material
Ductile iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone CV material
Dezincing free brass CuZn36Pb2As
Valve cone DP material
Dezincing free brass CuZn36Pb2As
Valve seat material
Stainless steel, mat. No. 1.4571
Valve size
DN 40
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How to avoid pressure oscillations in district heating systems Hydraulic balance in a district cooling system Hydraulic balance in a district heating system Improved temperature control and hydronic balance for your benefit Save energy with efficient and safe steam distribution Track down and solve any hydronic imbalance with self acting controls Hydraulic balancing reduces refrigerations costs significantly AVQT, AVQMT AVQM, AVQMT – PN16 / PN25 AVQM, AVQMT – PN16 / PN25 Danfoss EU 230530EN0858104.05 Actuators pressure flow and temperature BV UKCA-0041-PESR-H-DAF 001-22-FBR Danfoss UK 230612EN0856102.02 Self-acting flow and temperature controller with integrated control valve type AVQMT 3D STEP CAD model of AVQMT - 003H6781 Self-acting flow and temperature controller with integrated control valve (AVQMT PN25 flange) Safety temperature controller STM / AVQMT flange Self-acting flow and temperature controller with integrated control valve type AVQMT 2D DWG CAD drawing of AVQMT - 003H6781 Safety temperature controller STM / AVQMT flange Safety temperature controller STM / AVQMT flange 3D DWG CAD drawing of AVQMT - 003H6781 Self-acting flow and temperature controller with integrated control valve (AVQMT PN25 flange)

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