DATA SHEET:

TYPE ‘BD’ BREATHER DRAINS

Type ‘Bd’ Breather Drains are used to allow the air inside an
‘Ex d’ Flameproof or Class I, Division 1 Explosionproof
enclosure to breathe with the surrounding atmosphere and also
to allow any moisture that enters the enclosure to drain while
maintaining the overall integrity of the installation.

Approvals & Specifications

Exd IIC Gb & Ex tb IIIC Db IP6X
IEC/EN 60079-0, IEC/EN 60079-1, IEC 60079-31
ATEX/94/9/EC

Class I, Division 1 Groups ABCD
Class II, Groups EFG, Class III
UL1203, UL514B, UL50
C22.2 Nos. 30, 0.5, 0-M, 45, 18.3-04, 94-M91
AExd IIC / AExe II Class I, Zone 1    

Metric: 1.5mm Pitch– Medium Fit 6g
NPT: Male L1 +/-1 Turn
Other Thread Forms Available on Application

Nickel Plated Brass ‘N’ (-50 to + 80°C)
316 Stainless Steel ‘S’ (-50 to +80°C)

Nitrile (-30 to +80°C)
Silicone (-50 to +80°C)
Nitrile ‘O’ ring supplied as standard on versions with parallel
male threads

With ‘O’ Ring or Thread Sealant, (Non-Hardening)
IP 66 68, NEMA 4X 316SS &
Nickel Plated Brass.
Without ‘O’ Ring or Thread Sealant IP54

7Nm

DATA SHEET:

TYPE ‘BE’ BREATHER DRAINS

Type ‘Be’ Breather Drains are used to allow the air inside an
enclosure to breathe with the surrounding atmosphere and also to
allow any moisture that enters the enclosure to drain while
maintaining the overall integrity of the installation.

Approvals & Specifications

Exe IIC Gb & Ex tb IIIC Db IP6X
IEC/EN 60079-0, IEC/EN 60079-7, IEC/EN 60079-31
ATEX/94/9/EC  

AExe II Class I, Zone 1
UL2279, UL60079-0, UL60079-7, UL60079-1-1
E60079-0, E60079-7, E60079-1-1

Metric: 1.5mm Pitch – Medium Fit 6g
NPT: Male L1 +/-1 Turn
Other Thread Forms Available on Application

Nickel Plated Brass ‘N’ (-50 to + 80°C)
316 Stainless Steel ‘S’ (-50 to +80°C) 

Nitrile (-30 to +80°C)
Silicone (-50 to +80°C)
Nitrile ‘O’ ring supplied as standard on versions with parallel
male threads    

With ‘O’ Ring or Thread Sealant, (Non-Hardening)
IP 66 68, NEMA 4X 316SS &
Nickel Plated Brass.
Without ‘O’ Ring or Thread Sealant IP54

7Nm

HLS Type Be Breather Drains are certified for Exe
clearance hole applications where the castellated
nut is used to secure the installation