Diameter Connecting thread
Product type
Pressure compensation element
Manufacturer Designation
781 M20(M) N.PLTD BREATH/DRAIN PLUG
Manufacturer product number
Tightening torque
7 Nm (Installation torque)
Suited for EX-applications
Length of the connecting thread
Length without connecting thread
Connecting thread diameter
Hexagon angular dimension
Thread type connection side
Ambient temperature (operation)
ATEX
781D: Ex II 2 GD Exd IIC Gb, Ex ta IIIC Da, 781E: Ex II 2 GD Exe IIC Gb, Ex ta IIIC Da
Sira 10ATEX1307U
IECEx
781D: Ex d IIC Gb, Ex ta IIIC Da 781E: Ex e IIC Gb, Ex ta IIIC Da
IECEx SIR 10.0149U
Standards/specifications
EN 60079-0, -1, -7, -31
IEC 60079-0, -1, -7, -31
Assembly note
Mount at the lowest point of the housing, including ribbed counter nut (ensure correct orientation when mounting, the grooved side must be pointing towards the wall)