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Self-acting pressure relief controller type AVA

AVA, PN 25, DN 25, 8.00 m³/h, 1.00 bar - 4.50 bar, External Thread, G 1 1/4 A, Mounting version: Bypass

003H6616

AVA PN25 25/8 1,0-4,5 thread bypass

Product specifications

Characteristic
Value
Actuator diaphragm materialEPDM
ApplicationDistrict Heating
Cavitation factor0.60
Cavitation factor 100%0.38
Cavitation factor 25%0.64
Cavitation factor 50%0.57
Cavitation factor 75%0.55
China RoHS complianceOut of scope
Connection sizeG 1 1/4 A
Connection typesExternal Thread
Contain batteriesNo
DG Indicator ProfileNot relevant for dangerous goods
DescriptionAVA PN25 25/8 1,0-4,5 thread bypass
Diameter [mm]25 mm
Differential pressure range [bar] [Max]20.00 bar
EU RoHS complianceYes with exemptions
Flow controlNo
Flow limitationNo
FunctionPress. relief controller
Function VSP - PYes
Function VSP - QNo
Function VSP - TNo
Kvs values [m³/h]8.00 m³/h
Leakage rate [% Kvs]0.02
Material DescriptionAVA PN25 25/8 1,0-4,5 thread bypass
Characteristic
Value
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]150 °C
Media temperature [°C] [Min]2 °C
Medium alternativeGlycolic water up to 30%
Mounting versionBypass
Number of ports2
PN alternative VSP16
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 25
Pressure controllerPressure relief controller
Pressure nominal [bar]25 bar
Pressure setting range [bar] [Max]4.50 bar
Pressure setting range [bar] [Min]1.00 bar
Product TypeAVA
Product groupPressure flow controllers
Product lineDistrict Energy Controls
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing DP materialEPDM
Setting TypeAdjustable
Stem positionNormally closed
Valve body materialRed bronze CuSn5ZnPb (Rg5)
Valve cone DP materialDezincing free brass CuZn36Pb2As
Valve seat materialStainless steel, mat. No. 1.4571
Valve sizeDN 25

General specifications

Characteristic
Value
Gross weight3.998 Kilogram
Net weight3.662 Kilogram
Characteristic
Value
EAN/UPC5702421541364
Proposition 65Cancer and Reproductive Harm