Model 931-B

Performance Features

  • In-line deflagration arrester / in-line detonation arrester
  • Stable and unstable detonation
  • EC prototype test certificate according to ATEX Directive 2014/34/EU and EN ISO 16852:2016
  • Available in nom. Diameter: DN6 (1/8”) – DN15 (1/2”)

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  • Specification Options
  • Materials
  • Documentation

Protection

Gas/air mixtures for explosion groups up to and including IIC (NEC Group B), MESG < 0.50mm

Connection Type

  • Rp to ISO 7-1 (DIN 2999)
  • BSP to BS 21
  • NPTF to ANSI B1.20.3
  • Other types available upon request

Compliance with Guidelines

  • ATEX 2014/34/EU
  • EN ISO 16852:2016

Materials of Construction

  Carbon Steel Stainless Steel Other Materials on request
Metal Foil Element
Body / Cover

Painting Options Available

Dimensions

DN A B C* D* SW Weight
N=2 N=3 N=4 N=5 N=2 N=3 N=4 N=5 N=2 N=3 N=4 N=5
in mm in mm in mm in mm in mm in mm in mm in mm in mm in mm in mm in mm kg kg kg kg
0.125   45 25 60 72 84 96 81 93 105 117   22 0.57 0.76 0.86 0.96
0.25 8
0.375 10 28   24
0.5 15

* N: number of metal foil elements

Product Literature

Model 933-S Brochure

Installations

Model 933-S – 100.1 and 150.1/6x0.3-d/DeC Installation Instruction
Model 933-S – 100.1/4x0.3/EAP1T1 Installation Instruction
Model 933-S – 100.1/4x0.3/Idp Installation Instruction
Model 933-S – 100.3/6x0.3/DeC Installation Instruction
Model 933-S – 125.1 to 200.1/2x0.7/m Installation Instruction
Model 933-S – 125.2 to 200.2/2x0.5/75IIAP2T3 Installation Instruction
Model 933-S – 150.1 to 250.1/3x0.5/pC Installation Instruction
Model 933-S – 150.1/10x0.2/30IICP1T5 Installation Instruction
Model 933-S – 150.1/6x0.3-d/iDp Installation Instruction
Model 933-S – 200.1/4x0.4-d/De Installation Instruction
Model 933-S – 200.1/6x0.5-d/DpC Installation Instruction
Model 933-S – 200.1/6x0.2 Installation Instruction
Model 933-S – 200.1/6x0.4/EO30 Installation Instruction
Model 933-S – 200.1/6x0.5/D4IIAP3T1 Installation Instruction
Model 933-S – 250.1 and 300.1/4x0.5/Dp Installation Instruction
Model 933-S – 250.1 to 400.01/2x0.5/pC Installation Instruction
Model 933-S – 250.1, 200.2, and 150.3/8x0.2/ D4IICP1T1 Installation Instruction
Model 933-S – 250.1, 200.2, and 150.3/8x0.2/C Installation Instruction
Model 933-S – 250.1/2x0.7/p Installation Instruction
Model 933-S – 250.1/6x0.2 Installation Instruction
Model 933-S – 300.1/6x0.4/D4IIAP4T1 Installation Instruction
Model 933-S – 40.2 to 80.2/3x0.3/D4IIB3P2T1 Installation Instruction
Model 933-S – 100.3 to 200.3/4x0.4/D4IIB3P2T1 Installation Instruction
Model 933-S – 150.1 to 300.1/4x0.4/D4IIB3P2T1 Installation Instruction
Model 933-S – 400.01/6x0.5-d/D4IIAP2T1 Installation Instruction
Model 933-S – 450.02/3x0.5/30IIAP3T1 Installation Instruction
Model 933-S – 50.1 to 100.1/10x0.2/30IICP1T5 Installation Instruction
Model 933-S – 50.1 to 100.1/2x0.7/m Installation Instruction
Model 933-S – 50.1 to 100.1/3x0.3/D4IIB3P2T1 Installation Instruction
Model 933-S – 50.1 to 100.1/3x0.3/DpC Installation Instruction
Model 933-S – 50.1 to 100.1/3x0.3/eC Installation Instruction
Model 933-S – 50.1 to 100.1/4x0.3/De Installation Instruction
Model 933-S – 50.1 to 100.1/5x0.3/DeC Installation Instruction
Model 933-S – 50.1 to 100.1/6x0.2/IICP1T1 Installation Instruction
Model 933-S – 50.1 to 100.1/8x0.2/IICP1T3 Installation Instruction
Model 933-S – 50.1/4x0.4/EOP1T1 to 100.1/4x0.4/EOP1T1 Installation Instruction
Model 933-S – 50.1/4x0.5/e Installation Instruction
Model 933-S – 50.1/6x0.3/iDe to Model 933-S80.1/6x0.3/iDe Installation Instruction
Model 933-S – 50.4 to 100.1/10x0.2/D2IICP2T1 Installation Instruction
Model 933-S – 50.4/7x0.3/iDe Installation Instruction
Model 933-S – 500.01/6x0.5-d/D4IIAP1T1 Installation Instruction
Model 933-S – 600.1/3x0.5/50IIAP1T1 Installation Instruction
Model 933-S – 80.1 3x0.5/mC Installation Instruction