for pressure maintenance
High quality accessories complete the range of Pneumatex pressure maintenance products. Thus technology becomes system technology. These products are suitable for application in systems specified to EN 12828 and SWKI 93-1.
Technical description – Intermediate vessels
Applications:
Heating, solar and chilled water systems.
Functions:
Protection against inadmissible temperature in expansion vessels.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: see Articles
Temperature:
Intermediate vessel DD/DU:
Max. admissible temperature, TS: 110 °C
Min. admissible temperature, TSmin: -10 °C
Intermediate vessel DG:
Max. admissible temperature, TS: 180 °C
Min. admissible temperature, TSmin: -10 °C
Material:
Steel. Color beryllium.
Transportation and storing:
In frostless, dry places.
Approvals:
CE design-tested according to PED/DEP 97/23/EC.
Technical description – Blow tank
Applications:
Heating water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Installation behind safety valves for the separation of steam/water mixtures.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Dimensioning for a flow counter pressure of max. 2 bar
Temperature:
Max. admissible temperature, TS: 120 °C
Min. admissible temperature, TSmin: -10 °C
Material:
Steel. Color beryllium.
Transportation and storing:
In frostless, dry places.
Approvals:
Constructed according to SWKI 93-1, amendment 1.
Technical description – Low water protection
Applications:
Heating water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Protection of the heat generator and the system from overheating in case of lack of water.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: 10 bar
Temperature:
Max. admissible temperature, TS: 120 °C
Min. admissible temperature, TSmin: -10 °C
Material:
Main body made of nodular graphite iron, zinc coated.
Transportation and storing:
In frostless, dry places.
Approvals:
Component inspected TÜV-HWB-96.
Technical description – Safety valves
Applications:
Heating water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Protection of the maximum pressure on heat generators.
Pressure:
DSV...H:
Max. admissible pressure, PS: 10 bar
Min. admissible pressure, PSmin: 0 bar
DSV...DGH (DN 25-32):
Max. admissible pressure, PS: 25 bar
Min. admissible pressure, PSmin: 0 bar
DSV...DGH (DN 40-50):
Max. admissible pressure, PS: 16 bar
Min. admissible pressure, PSmin: 0 bar
Accurancy:
DSV...H:
Closing pressure tolerance: 0,5 bar
Open pressure tolerance: 0,5 bar
DSV...DGH:
Closing pressure tolerance: PSV* 0,1 bar
Open pressure tolerance: PSV* 0,1 bar
Temperature:
Max. admissible temperature, TS: 120 °C
Min. admissible temperature, TSmin: -10 °C
Media:
DSV...H: Addition of antifreeze agent up to 30%.
DSV...DGH: Addition of antifreeze agent up to 50%.
Material:
DSV...H, DSV...DGH (DN 25-32): Gun metal.
DSV...DGH (DN 40-50): Nodular graphite iron GGG: Colour beryllium.
Approvals:
DSV...H:
CE-component inspected according to TRD 721-TÜV SV xx-516 H, PED/DEP 97/23/EC-01 202 111-B-00027.
DSV...DGH (DN 25-32):
CE-component inspected according to TRD 721-TÜV SV xx-665 DGH, PED/DEP 97/23/EC-01 202 111-B-00029.
DSV...DGH (DN 40-50):
CE-component inspected according to TRD 721-TÜV SV xx-2007 DGH, PED/DEP 97/23/EC-01202 111-B-06079.
Warranty:
DSV...DGH: Secuguard version, 5-year warranty.
Technical description – Pre-pressure measuring gauge
Applications:
Heating, solar and cooling water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Control of the pre-pressure at expansion vessels. Auto on/off. Automatic calibration.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: 10 bar
Temperature:
Max. admissible temperature, TS: 120 °C
Min. admissible temperature, TSmin: -10 °C
Material:
Rugged plastic housing.
Technical description – Manometer
Applications:
Heating, solar and cooling water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Control of the filling pressure at expansion vessels.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: 4 bar
Temperature:
Max. admissible temperature, TS: 60 °C
Min. admissible temperature, TSmin: -10 °C
Technical description – Thermometer/Manometer
Applications:
Heating, solar and cooling water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Control of the filling pressure at expansion vessels.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: 4 bar
Temperature:
Max. admissible temperature, TS: 120 °C
Min. admissible temperature, TSmin: -10 °C
Technical description – Push button valve
Applications:
Heating, solar and cooling water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Shut-off of manometers. Pressure measurement only with pressed piston, otherwise the manometer is unpressurized.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: 30 bar
Temperature:
Max. admissible temperature, TS: 100 °C
Min. admissible temperature, TSmin: -20 °C
Material:
Nickle-plated brass.
Technical description – Lock shield valve
Applications:
Heating, solar and cooling water systems.
Deployment in systems according to EN 12828, SWKI 93-1.
Functions:
Shut-off. Maintenance and disassembly of expansion vessels.
Pressure:
Min. admissible pressure, PSmin: 0 bar
Max. admissible pressure, PS: 16 bar
Temperature:
Max. admissible temperature, TS: 120 °C
Min. admissible temperature, TSmin: -10 °C
Media:
Non-aggressive and non-toxic system media.
Addition of antifreeze agent up to 50%.
Material:
Brass.
General:
Can only be closed with an allen key which is include in the supply, ball valve with DN 15 hose connection for fast draining.