En 
Domestic technology Equipment for heating systems, boiler rooms and chimneys MS G½ x G¾
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MS G½ x G¾

diaphragm safety valve MS - heating systems

Variants Documents

  • for protection against overpressure in heating systems
  • for water, water/glycol mixtures, liquids of fluid groups 1 and 2
  • MSM with pressure gauge for indication of the system pressure

For sealed heating systems as per TRD 721; VdTÜV sheet Safety Valve 100 and 100/4 sheet 1; EN 12828. Also for water heating systems as per DIN 4751-2 with flow temperatures up to 120 °C and DIN 4751-3 with flow temperatures up to 95 °C. Suitable for water, water/glycol mixtures (with up to 50 % glycol).

Safety valve with factory-adjusted opening pressure. MSM with pressure gauge for indicating the system pressure. The size of the valve inlet determines the unit type, the outlet is ¼" larger.

maximum heating capacityopening pressurePressure gaugesPart no.
diaphragm safety valve MS - heating systems MS G½ x G¾  50 kW  2.5 bar42385
diaphragm safety valve MS - heating systems MS G½ x G¾  50 kW  3 bar42390
  • in-stock items
  • manufactured goods

Connection
G½ x G¾
Operating temperature range
Medium:
-20/+120 °C
opening pressure
  2.5 bar
Dimensions (W x H x D)
MS G½ x G¾: 48 x 60 x 35 mm
Material
Housing:
Brass
cap:
PA 6, Red
type approval mark
TÜV.SV.yy-2017.13.H
"yy" represents the year of the approval

AFRISO_DIAPHRAGM-SAFETY-VALVE-MS---HEATING-SYSTEMS_ENG_GBR_20260209_232547563.PDF

AFRISO_MEMBRAN-SICHERHEITSVENTIL-MS---HEIZUNG_DEU_DEU_20260210_002816401.PDF

Data sheets
Domestic Technology
PDF
MEMBRAN-SICHERHEITSVENTILE_MS_MSW_MSS_MAG.PDF

Membran-Sicherheitsventil MS MSW MSS

Declarations of Conformity
PDF
900_400_1018.PDF

Membran-Sicherheitsventil MS - Heizung

Mounting instructions
PDF
900_000_0471.PDF

Membran-Sicherheitsventil MS - Heizung

Manuals
PDF

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