003H6688

Part Number: 003H6688
003H6688
Manufacturer
Danfoss
Part number
003H6688
Category

Product Information

Extended Description

003H6688 Danfoss: SAVA PN25 40/20 1,0-4,5 flange bypass
Gross weight
14.684 Kilogram
Net weight
14.684 Kilogram
Volume
29.621 Liter
EAN
5702421542095
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
SAVA PN25 40/20 1,0-4,5 flange bypass
Diameter [mm]
40 mm
Differential pressure range [bar] [Max]
16 bar
EU RoHS compliance
Yes with exemptions
Flow control
No
Flow limitation
No
Function
Safety press. relief controller (SĂśV)
Function VSP - P
Yes
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
Bypass
Number of ports
2
Permissible media
District heating/cooling circulation water
PN alternative VSP
16
Pressure class
PN 25
Pressure controller
Yes
Pressure nominal [bar]
25 bar
Pressure setting range [bar] [Max]
4.5 bar
Pressure setting range [bar] [Min]
1 bar
Product group
Pressure flow controllers
REACH Candidate List substances
Lead (CAS no. 7439-92-1)
Sealing DP material
EPDM
Setting Type
Adjustable
Stem position
Normally closed
Type
SAVA
UK RoHS compliance
Out of scope
Valve body material
Ductile iron EN-GJS-400-18-LT (GGG 40.3)
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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065B2004
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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 Track down and solve any hydronic imbalance with self acting controls Hydraulic balancing reduces refrigerations costs significantly SAVA (PN 25) SAVA (Generation 2006) Danfoss EU 230612EN0857103.04 Actuators pressure flow and temperature BV UKCA-0041-PESR-H1-DAF 001-22-DNK Danfoss UK 230612EN0858102.02 Self-acting safety pressure relief controller type SAVA

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