Safety fittings for hygienic applications
Series Hygienic 4000

Rueckruf EN

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Safety valve made of stainless steel, angle-type with stainless steel spring

In the sector of hygienic applications or clean service applications, very high requirements are applied on optimal cleanability and dead space free construction of equipment parts. At the development of the new safety valve series 4000, ranging from DN 25 to DN 100, these exact principles have been fulfilled and therefore exist in a safety valve for the first time. By using a conical diaphragm instead of a rubber flange, the area affected by the medium is optimally separated from the spring housing. On all surfaces, the primary conical valve seal and the housing seals, these principles have been fully implemented. Thus all surfaces are easy to clean.

For the lifting of the valves, additionally there is a pneumatic piston actuator and optionally a proximity switch for the display of the valve opening available.

  • Examples of use
  • Approvals
  • Downloads

For the protection of:

  • processes, plants and containers in the food and pharmaceutical industry
    for air, neutral and non-neutral vapours and gases, steam and liquids
  • food industry
  • dairy industry
  • breweries and beverage industry
  • pharmaceutical industry
  • cosmetic industry
  • medical technology
  • clean Service applications


TÜV-Type test approval 2095
D/G, F

EU type test
S/G, L

S, G, L

S, G, L

TSG ZF001-2006
D/G (S/G), F (L)

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

DIN EN ISO 4126-1
PED 2014/68/EU
TRD 421
AD 2000 Data sheet A2
VdTÜV Guideline SV 100
ASME-Code Sec. VIII Div. 1

Suitable for
Stainless steel
Clamp connection
DN 25 - DN 100

-40°C to + 200°C
0,4 - 16 bar
Data sheet/Capacity table