Function: Safety press. relief controller (SÜV), SAVA, PN 25, DN 50, 20.00 m³/h, 1.00 bar - 4.50 bar, External Thread, G 2 1/2 A, Mounting version: Bypass


SAVA PN25 50/20 1,0-4,5 thread bypass

Product details

Gross weight 9.04 kg
Net weight 9.04 kg
EAN 5702421542019


Actuator diaphragm material EPDM
Application District Heating
Cavitation factor 0.6
Cavitation factor 100% 0.24
Cavitation factor 25% 0.33
Cavitation factor 50% 0.28
Cavitation factor 75% 0.24
Connection size G 2 1/2 A
Connection types External Thread
Description SAVA PN25 50/20 1,0-4,5 thread bypass
Diameter [mm] 50 mm
Differential pressure range [bar] [Max] 16 bar
Flow control No
Flow limitation No
Function Safety press. relief controller (SÜV)
Function VSP - P Yes
Function VSP - Q No
Function VSP - T No
Kvs values [m³/h] 20 m³/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 >0.1% Lead
Sealing DP material EPDM
Setting type Adjustable
Stem position Normally closed
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 50


Spare Parts






Software and firmware to extend functionality