双作用常规Arma-Gard™ (2WS and 2WD)

双作用常规Arma-Gard™ (2WS and 2WD)

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Two-way Arma-Gard, for positive and negative pressure protection

双作用常规Arma-Gard™是一体化石墨爆破片装置,可直接安装在法兰之间而不需要夹持器。区别于标准的爆破片,这种双作用爆破片设计用于防止容器在承受真空或者超压时被损坏。由于双作用爆破片的独特结构及其辅助检测功能,一旦发生爆破就能及时通知使用者。

这种爆破片具有更优的防护性、可靠性和密封性,其多种开槽安排能满足特殊的应用需求。其单一安装即可同时对应正压和负压的保护。

  • 对扭矩不敏感
  • 低压性能
  • 适用于液体、气体和蒸汽
  • 极佳的耐腐蚀性能
  • 操作比可达85%
Contact Elfab about this product
Size Range 25mm to 300mm (1” to 12”)
Burst Pressure Range 0.7 barg to 35 barg (1 Psig to 507 Psig)
Temperature Range See product downloads
Maximum Operating Ratio 85% of minimum burst pressure (76.5% of nominal burst pressure)
Fragmentation on Burst Fragmenting
Vacuum Service Support Not Required Above 1.7 barg (24.6 psig)
Fluid Compatibility Liquid, Gas or Vapour
Torque Sensitive No
Material Range Impregnated Graphite
Kr Values 0.6
Damage Ratio <1  (Fail Safe)
Leak Tightness Average
Performance Tolerance +/-10%   (zero manufacturing design range)
Protective Linings Available
Detection Detection in 1 direction as standard. Detection for both directions requires special holder and 2 Flo-Tels*Subject to process conditions