Breather / Drain Plug Type 781 with increased Safety Ex e II form of protection.


The CMP Type 781 Breather / Drain Plug is designed for Increased Safety Ex e apparatus that is susceptible to condensation or prone to moisture collection or ingress during normal operation. The Type 781 is designed to act as both a drainage device, when mounted in a bottom entry of the equipment, and also to enable the inside air to breathe with the external environment under normal ambient and atmospheric conditions, whilst excluding further dust and moisture from penetrating the enclosure. The Type 781 Breather / Drain Plug is supplied complete with an integral entry thread ‘O’ ring seal, and a castellated locknut to facilitate drainage from inside the enclosure. A General Purpose Industrial version is also available.

Metallic Breather / Drain Plugs are available in Brass, Aluminium or Stainless Steel and can be supplied for both Industrial and Hazardous Area applications, with Ex e Component Approval.

Thread forms available are metric sizes M20 and M25 and NPT equivalents.

Features:

• Filter prevents any dirt or other foreign bodies from entering the enclosure
• Breathing capabilities help to combat the build up of moisture and potential condensation in the apparatus.
• Slotted Entry Threads and Castellated Locknut allows excess water to flow into inverted drain device.
• Draining features enable release of any water that has penetrated the apparatus whilst maintaining the Increased Safety form of protection.
• Integral ‘O’ Ring ensures an effective seal at the interface between the Breather/Drain device and the equipment.