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Diaphragm safety valve for closed heating systems, SM110

Diaphragm safety valve for closed heating systems, SM110

Membrane safety valves of this type are used to protect closed heating systems according to EN 12828.

Product Description

Diaphragm safety valves of this type are used to protect closed heating systems according to EN 12828. In accordance with statutory requirements, the diaphragm safety valve is preset to the required fixed set pressure by the manufacturer and is sealed with an embossed security cap marked with the test badge and pressure rating to prevent unauthorised tampering with the setting. Subsequent alteration of the setting is not permitted and is impossible without destroying the security cap. The preset pressure is embossed on the security cap. 

Technical Properties

Media

Glycol-water mixture, according to VDI 2035 Liquids of the fluid group 1 and 2 (pressure device guideline, item 9) which do not affect the materials used.

Medium type water
Mounting position horizontal
Max. media temperature 120 oC
Materials

Angled brass housing; spring steel adjustment spring; high grade synthetic material security cap with part label; hot water resistant elastomer diaphragm

Additional Descriptions
  • Certified to Pressure Equipment Directive 2014/68/EU, refernce no.: CE035
  • For heating systems according to EN 12828, EN ISO 4126-1 and EN 2516-2
  • Protected against subsequent resetting
  • Standardised discharge connection

Certifications and Awards

Products

Product Type Port connection
Set pressure
EAN code
with 1/2" internal threads on inlet and outlet

SM110-1/2ZA2.5
internal threads 2.5 bar

4019837125226


SM110-1/2ZA3.0
internal threads 3 bar

4019837125233

with 1/2" internal threads on inlet and 3/4" on outlet

SM110-1/2A1.5
internal threads 1.5 bar

4019837125240


SM110-1/2A2.0
internal threads 2 bar

4019837125264


SM110-1/2A2.5
internal threads 2.5 bar

4019837125288


SM110-1/2A3.0
internal threads 3 bar

4019837125295


SM110-1/2A4.0
internal threads 4 bar

4019837125318


SM110-1/2A6.0
internal threads 6 bar

4019837125325

with 3/4" internal threads on inlet and outlet

SM110-3/4ZA2.5
internal threads 2.5 bar

4019837125332


SM110-3/4ZA3.0
internal threads 3 bar

4019837125349

with 3/4" internal threads on inlet and 1" on outlet

SM110-3/4A1.5
internal threads 1.5 bar

4019837125356


SM110-3/4A2.5
internal threads 2.5 bar

4019837125363


SM110-3/4A3.0
internal threads 3 bar

4019837125370


SM110-3/4A4.0
internal threads 4 bar

4019837125387

with 1/2" external threads on inlet and 3/4" internal threads on outlet

SM110-1/2AA1.5
internal and external threads 1.5 bar

4019837125257