Series 355

Good to know Data & facts

Connection size

DN 15 to DN 100 1/2" to 4"

Set pressure

0.2 bar to 40 bar

Temperature

-10 °C to 350 °C
Product design

angle-type

Material

Spheroidal graphite cast iron

Nominal width

DN 15 to DN 100
1/2" to 4"

Medium
  • Liquids
    neutral, non-neutral
  • Air, gases and vapours
    neutral, non-neutral
  • Steam
Temperature in °C

-10 °C to 350 °C

Pressure in bar

0.2 bar to 40 bar

The 355 flange safety valve series impresses with its consistent concept in terms of performance, function and design.

Why ductile iron?

The use of ductile cast iron as the body material results in a particularly cost-effective variant. This is particularly interesting for applications with heating water and steam and with lower corrosion resistance requirements.

Wide range of variants

This series can optionally be supplied with an open or closed spring cover. In addition, a wide range is available with elastomer or stainless steel bellows and both metallic and soft-sealing valve gaskets.


connection types

  • Flange connection
  • Chemical and petrochemical plants
  • biogas plants
  • Industrial and large boiler plants
  • Production and processing of technical gases
  • pressure tanks and pressure systems
  • Shipbuilding and equipment
  • Secondary sectors of the food, beverage, pharmaceutical and cosmetics industries
  • Silo container
  • Steam boiler plants
TUV-Germany

Approvals

TÜV.SV.17 2094:

Usage

Liquids (L)

Steam/Gases (S/G)

EU type examination

Approvals

01 202 642/B-18 T034, Änderung 2:

Usage

Liquids (L)

Steam/Gases (S/G)

Eurasian Conformity

Approvals

EAЭC N RU Д-DE.CП28.B.08409/20:

EAЭC N RU Д-DE.CП28.B.00821/20:

Usage

Liquids (L)

Steam/Gases (S/G)

Manufacture License of Special Equipment People's Republic of China

Approvals

TSF700E45-2023:

Usage

Liquids (L)

Steam/Gases (S/G)

Det Norske Veritas

Approvals

TAP00001W7:

Usage

Liquids (L)

Det Norske Veritas

Approvals

TAP00001W5:

Usage

Steam/Gases (S/G)

Russian Maritime Register of Shipping

Approvals

19.40075.250:

Usage

Liquids (L)

Steam/Gases (S/G)

Lloyd's Register

Approvals

LR2089493TA:

Usage

Liquids (L)

Steam/Gases (S/G)

Bureau Veritas

Approvals

26401/C0 BV:

Usage

Liquids (L)

Steam/Gases (S/G)

Registro Italiano Navale

Approvals

MAC096822XG:

Usage

Liquids (L)

Steam/Gases (S/G)

American Bureau of Shipping

Approvals

23-2297490-PDA:

Usage

Steam/Gases (S/G)

Liquids (L)