The use of components in potentially explosive atmospheres, for example in the chemical, pharmaceutical or food industries, agriculture, woodworking and the metal industry, is governed by strict regulations.
The extensive portfolio of cable glands for explosion protection from PFLITSCH offers safety you can rely on as all Ex cable glands are certified according to the current ATEX directive. “ATEX” (ATmosphères EXplosibles) stands for the European Directive 2014/34/EU, which regulates the placement on the market of explosion-proof, electrical and non-electrical equipment, components and protective systems.
Reliable certified protection in potentially hazardous areas: G (gas), D (dust)
Ignition protection types: Ex e, Ex d and Ex t
High tightness with protection classes IP 66, IP 68 to 10 bar or 15 bar respectively
Above-average strain relief
Cable glands for use in potentially explosive atmospheres are available with further advanced features
Time- and cost-saving installation
The ignition protection type is an essential criterion for the design of electrical equipment in hazardous areas. The aim is to minimise the risk posed by an explosive atmosphere and ignition sources being present at the same time.
PFLITSCH explosion proof cable glands are approved for ignition protection type “e” (increased safety) to prevent sparks and excessive temperatures and for ignition protection type “d” (flameproof enclosure), which prevents the transmission of an explosion to the outside. The dust ignition protection type “Protection by enclosure t” is met with a high IP protection class according to EN 60529 and by limiting the surface temperature of the enclosure to a value at which a dust cloud or deposited dust is not ignited or capable of smouldering.
Potentially explosive areas in which hazardous substances such as dusts and gases occur are differentiated according to the frequency of occurrence. To this end they are classified in Ex zones. PFLITSCH Ex solutions meet all requirements for use in the following Ex zones:
Zone 0 – constant, prolonged or frequent occurrence of a flammable (gas, mist, vapour) mixture
Zone 1 – occasional occurrence of a flammable (gas, mist, vapour) mixture
Zone 2 – rare occurrence of a flammable (gas, mist, vapour) mixture
Zone 20 – constant, prolonged or frequent occurrence of a flammable (dust) mixture
Zone 21 – occasional occurrence of a flammable (dust) mixture
Zone 22 – rare occurrence of a flammable (dust) mixture
Extreme caution and care are required where a highly sensitive topic such as explosion protection is concerned. We recommend that you always consult a PFLITSCH customer adviser or one of our sales partners. They are also able to tell you which ATEX certifications are available for the Ex cable glands you need. Depending on the size of the gland and the material from which it is made, there are differences that must be taken into account during your project planning.
We have three model series in our range that meet the various requirements Ex cable glands are required to comply with for use in potentially explosive environments. While the Ex variants of the blueglobe and UNI Dicht cable glands are each part of a comprehensive system that can be individually configured for specific explosion protection applications, among others, the LevelEx range has been designed exclusively for use in potentially explosive atmospheres.
M10–M85 depending on version
nickel-plated brass, stainless steel
20 °C – +60 °C,
high-temperature version with silicone sealing insert –55 °C – +160 °C
M10–M80 depending on version;
Pg 9–Pg 48
Nickel-plated brass, stainless steel
TPE sealing insert: -20 C to +60 C,
Silicone sealing insert: -55°C to +160°C
metric, certain versions also as Pg thread and NPT on request
As a full-range supplier, not only do we offer a comprehensive cable gland programme, we also have a range of Ex accessories comprising everything from Ex adapters, Ex reductions and Ex blind plugs to EMC adapters and Ex breather drains.
In potentially explosive atmospheres a large number of factors such as the hazardous substances (gas, dust, vapours) and the electrical equipment present determine the potential risk of an explosion. To minimise the risk, the cable gland used must be precisely designed for these requirements.
Flour and dust in production environments in the food and pharmaceutical industries can also create potentially explosive atmospheres. If Ex cable glands with direct product contact are used in production processes, they must also be hygienic to rule out any risk of contamination.
The ignition protection type describes the design principles an electrical component must have to ensure safe operation in a specific potentially explosive atmosphere or to prevent an explosion. PFLITSCH Ex cable glands are approved for ignition protection type “e” (increased safety) to prevent sparks and excessive temperatures, for ignition protection type “d” (flameproof enclosure), which prevents the transmission of an explosion to the outside and for dust ignition protection type “Protection by enclosure tD”. Other ignition protection types include oil immersion, encapsulation and pressurised enclosure.
You’re also interested in the multitude of possibilities offered by our cable trunking solutions? Or are you looking for a concrete solution to a specific cable laying project? The Cable Trunking section provides an overview of all of our models and highlights their specific advantages and benefits.
You have questions about a product, would like to make an appointment for a one-to-one consultation or would like to experience our products live? Get in touch! We look forward to hearing from you.