Gas Group

Internal Ignition Source

Enclosure Volume

Which Zone

Use A2L**F Gland

IIC, IIB, IIA

NO

Any

Zone 1 or 2

YES

IIB, IIA

YES

Any

Zone 2

YES

IIB, IIA

YES

2 litres or less

Zone 1

YES

• Gland size does not necessarily equate to the entry thread size. Gland size 16 is also available with an M16 x 1.5 entry thread.
• The IP O-ring seal is only available on metric entry threads. IP washers can be supplied for tapered entry threads.
• Please ensure that the IP O-ring is not used in conjunction with a flat IP washer.
• Dimensions (A) & (B) may differ for glands with non metric entry threads. Please refer to our “Thread Reference Tables” for specific dimensions.
• Where glands are fitted into non-metallic Ex e enclosures they must be included within the earth circuit of the system.
• The user should seek expert advice if intending to combine flammable and combustible dust in one environment/installation.
• Where A2LF type glands are fitted into non-metallic Increased Safety Exe enclosures they must be included within the earth circuit of the system
• The user should seek expert advice if intending to combine flammable gases and combustible dusts in one environment/ installation
• Assembly instructions must be read prior to installation and adhered to in full.
• Peppers supplies cable glands with parallel entry threads that conform to the flameproof threaded joint requirements of IEC/EN 60079-1 and other equivalent standards. They usually incorporate a thread run out according to the available machining techniques and will not have a full form thread for the entire length. Peppers will not be held responsible for clients’ installations where this has not been taken into account.
• To maintain the specified IP rating, clearance holes must be in accordance with EN 50262 Table 1 and the entry device should be suitably secured.