This range of explosion proof horns ETH20MD is intended for use in potentially explosive gas and dust and is designed with a high degree of protection to meet the harsh environmental conditions found offshore and onshore in the industries of oil , gas and petrochemical .
Security ATEX ( Exd IIB + H2 or Exd IIC ) .
All horns are made of aluminum low in copper or stainless steel upon request 304/316 .
Stainless steel screws and sinter are incorporated so as to ensure corrosion problems.
CENELEC Standards
EN60079-0 ( IEC 60079-0 )
EN60079-1 ( IEC 60079-1 )
EN60079-31 ( IEC 60079-31 )

Sirens and Speakers