S&R

The S&R product group offers safety valves for heating technology. These comply with the standards DIN EN ISO 4126-1, DIN 4751 part 2 as well as TRD 721.

  • Standardized heating safety valve
  • Suitable for steam generators up to 1 bar overpressure
  • Suitable for water heating systems up to 120 °C
  • CE_Europa_schwarz
  • VdTUEV
S&R Safety Valve from LESER

Technical data S&R Safety valves

Set pressure

0.5 - 10 barg | 7.3 - 145 psig
Temperature

-45 - 150 °C | -49 - 302 °F
Capacity
orifice D to Q
Connections DIN EN 1092

DN 25 to DN 150

Body material


Carbon steel, Grey cast iron
Thermoquell Brner GmbH  Co
HTT energy GmbH
GEA TDS GmbH
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Thermoquell Brner GmbH  Co
HTT energy GmbH
GEA TDS GmbH

Valve Types

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S&R Safetys valves
Download Catalogues

S&R Catalogue

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Calculation of safety valves with LESER-Valvestar

Sizing and selection

Sizing and selection of your LESER Safety valve with VALVESTAR® - The Sizing Program

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