Kolkata based renowned manufacturer of Electrical Sirens (single & 3 phase) Gong Bells & Hooters, Revolving Flashing Lights, Audio Visual Alarms, Transformers, Battery Chargers, Stabilizers, Blowers, and many more.
Mobile : 09830288152
E-mail: expo_siren@yahoo.co.in
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Gong Bells & Hooters

Gong Bells & Hooters
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We offer a comprehensive range of gong bells & hooters at competitive prices. Our industrial gong bells are employed widely in many industries such as refineries, ordnance factories and mines. The reputable firm is actively engaged in distributing and supplying DC hooters to numerous clients all over Asia. These electronic hooters and gong bells are available in many varieties according to clients’ demands and at nominal prices.
  • Industrial Gong Bell :
    We supply and distribute an exclusive range of finest gong bells, which is operated on single phase in 220/250 V, 50 c/s AC. Our industrial gong bell can be easily mounted on the wall with two screws. These industrial gong bells are available in 6V, 12V, 24V, 30V, 48V, 110V AC and or DC, while the double gong bell is available in 15cms. We also offer gong bell in other sizes such as 7cms, 10cms, 15cms, 22cms, and 30cms.


  • Hooters :
    Expo Engineering is a distinguished company offering all kinds of hooters. We offer the following types of hooters that fit to clients’ budget and needs.

Panel Type Hooter :
We supply panel type hooter (heavy duty) that operates on single phase, 220/250 V, 50 cc/s AC and is produced out of aluminium cast body by the manufacturers. This is used in control panel, furnaces, alarm system, cranes, etc. We also offer panel type hooter in 6V, 12V, 24V, 30V, 48V, 110V AC in 10cms and 15cms sizes.

Speaker Type Hooter :
We distribute and supply speaker type hooter (heavy duty) that operates on single phase, 220/250 V, 50 C/s AC with its body made of strong aluminium. This is widely used in control panel, furnaces, alarm system, cranes, etc. We also offer panel type hooter in 6V, 12V, 24V, 30V, 48V, 110V AC in 10cms and 20cms sizes.

Flush Type Hooter :
Our company is a well-known distributor and supplier of flush type hooter (heavy duty) that operates on single phase, 220/250v, and 50 c/s ac. It is made from aluminium cast body and extensively used in control panel, furnaces, alarm systems, cranes, etc. Flush type hooter is available in 6V, 6V, 12V, 24V, 30V, 48V, 110V. This hooter is offered in sizes of 10cms and 13cms.

Industrial DC Hooter :
The company offers industrial DC hooter (heavy duty) that operates in 6V, 12V, 24V, 30 V, 48V, 110V and 220V.

Electronic DC Hooter :
We supply and distribute electronic DC hooter that operates on single phase, 220 V AC. These DC hooters are available in 6V, 12V, 24V, 30V, 48V, 110V, 220V, AC or DC. Our comprehensive range of electronic hooter come in many colours such as red and black, and are available in tones like LC, Piezo and Siren.

Buzzer :
We provide highly effective buzzers that operate on single phase, 220/250v and 50c/s ac. These are manufactured by renowned manufacturers using quality aluminium. Our buzzers are widely used in control panels, furnaces, alarm systems, cranes etc. We offer buzzers in 6V, 12V, 24V, 30V, 48V, 110V AC and in 10 cms and 15cms sizes.




Our Products
Electric Sirens (Single & 3 Phase)
Gong Bells & Hooters
Revolving Flashing Lights
Audio Visual Alarms
Sirens

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