LESER S&R Safety Valve Type 460

S&RType 460

Threaded safety valve for water heating systems up to 120 °C according to DIN 4751 part 2. Technical data

  • Standardized heating safety valve
  • Suitable for water heating systems up to 120 °C

  • CE_Europa_schwarz
  • VdTUEV

Applications & Industries

Heating and building services engineering

The optimal solution for:

  • Water heating systems up to 120 °C according to DIN 4751 part 2
Meibes System - Technik GmbH Deinzer  Weyland GmbH

Technical Features Type 460

Set pressure (according to CE) 1 - 10 bar | 14.5 - 145 psig
Temperature (according to CE) up to 120 °C | up to 248 °F
Capacity orifice E- to F
Connections DN 15 - DN 20 | G 3/4 - G 1

Inlet pressure rating (DIN/ISO)

PN 10 
Body material

0.7043 | Gr. 60-40-18

Narrowest flow diameter d₀ 13 - 17.5 mm | 0.51 - 0.69 in
Narrowest flow area A₀ 133 - 241 mm² | 0.21 - 0.37 in²
Bellows material EPDM
Seat gasket o-ring
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Sizing and selection

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

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