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Type test approved safety valves angle-type
for industrial applications Series 851

Rueckruf EN

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Safety valves made of gunmetal, angle-type with threaded connections

A proven series with an extremely compact design: with its very good price / performance ratio this valve has been proving its reliability for many years. In addition to the flexible basic version, according to the version and sealing material in question, this valve can be used for a varied range of applications, media and temperatures. As an optional extra, these valves can be fitted with metal bellows and / or a gastight cap. Consequently, these valves can be configured for applications involving non-neutral, inflammable, toxic and viscous media.

  • Examples of use
  • Approvals
  • Downloads

For the protection of:

  • Pressure-vessels/-systems for neutral / non-neutral vapours, gases and liquids
  • Steam boilers and steam plants
  • Stationary silos and bulk transport vehicles for liquid, granular and powdery goods¹

taking into account the plant-specific regulations and making use of the suitable valve versions and sealing materials.
 

  • mechanical engineering
  • pump protection
  • apparatus construction and medical technology (sterilizers, autoclaves)
  • shipbuilding and -repair
  • pressure booster systems water- / air-side
  • steam- and industrial-boiler systems

Safety valves are set and sealed at the factory.

¹ only for versions with bellows

 

TÜV-Type test approval 666, 684
D/G , F , F/K/S*

EC type examination
S/G , L , F/K/S* Gases, Liquids

ASME
S, G, L

CRN
S, G, L

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

KGS
G

TR ZU 032/2013 - TR ZU 010/2011
D/G (S/G) , F (L) , F/K/S1

 

Requirements

AD 2000 Data sheet A2
TRD 421
TRB 801 No. 22 and No. 23*
DIN EN ISO 4126-1
PED 2014/68/EU
ASME-Code Sec. VIII Div. 1
KGS AA 319

*only for versions with bellows

Suitable for
Liquidsneutral and non-neutral
Air, gases and vapoursneutral and non-neutral
Steam
Material
Gunmetal
Specification
1/2"- 2"
-60°C to + 225°C
(depending on version)
0,5 - 50 bar
Certificates
Data sheet/Capacity table