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Type test approved flange safety valves
Series 355

Rueckruf EN

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Safety valves made of spheroidal graphite cast iron,
angle-type with flange connections

The series of flanged safety valve 355 captivates with its consistent concept of capacity, function and design. The high capacity of the entire series from DN 15 up to DN100 is unique in the sector of flanged safety valves. Using spheroidal graphite cast iron for the housing allows a particularlyinexpensive variant to be produced. This is of particular interest for applications with heating water and steam as well as lower requirements with regard to high corrosion resistance. This series can be supplied either with open or closed cap. The range of variants is further extended by offering bellows in either elastomeror stainless steel and either a metal or soft-sealing valve seal.

  • Examples of use
  • Approvals
  • Downloads

For the protection of:

Full-lift safety valve for the protection of:

  • pressure tanks and -systems for neutral / non-neutral vapours and gases
  • Steam plants

Normal safety valve for the protection of:

  • pressure tanks and -systems for neutral / non-neutral liquids

Please observe plant-specific regulations and use of appropriate valve version and sealing material.

  • biogas plants
  • industrial- and commercial boiler plants
  • Production and processing of industrial gases
  • shipbuilding industry and marine equipment
  • secondary areas in the food-, beverage-, pharmaceutical- and cosmetics- industries

Safety valves are set and sealed at the factory.

TÜV-Type test approval 2094
D/G (full-lift)), F (normal)

EC type examination
S/G , L

TR ZU 032/2013 - TR ZU 010/2011
D/G (S/G) , F (L)

 

Requirements

PED 2014/68/EU
DIN EN ISO 4126-1
AD 2000 Data sheet A2
VdTÜV Guideline SV 100
TRD 421 and DIN EN 12952-7
DIN EN 12953-8

Suitable for
Material


Spheroidal graphite cast iron
Specification

DN 15 to DN 100 
-10°C to + 350°C
(depending on version)
 
0,2 - 40 bar 
Certificates
Data sheet/Capacity table