The TRANBERG® TEF 660 is an Ex e / Ex d thread adaptor for hazardous-area enclosures, developed and manufactured at the R. STAHL Tranberg factory in Stavanger. It converts a cable entry to a different thread size or thread type so that a new cable gland can be fitted in an enclosure with a different hole diameter. This series has a male metric thread towards the enclosure and a female metric or NPT thread for the gland, sealed with an O-ring. Available in brass and stainless steel AISI 316 (EN 1.4401).
Application
- Outdoor or indoor installation
- Hazardous area Zone 1 and Zone 2, and safe area
- Fitting a cable gland in an enclosure entry of a different size or thread type
Features and benefits
- Available in brass and stainless steel AISI 316 (EN 1.4401)
- O-ring seal towards the enclosure, IP66/67
- Can be delivered to customer specification in other thread combinations and sizes
- Certified to both ATEX and IECEx
Technical data
| Material | Brass or stainless steel AISI 316 |
|---|---|
| Material, O-ring | Silicone Shore A 70, red |
| Male thread | Metric, 15 mm entry length |
| Female thread | Metric or NPT |
| Ingress protection | IP66 / IP67 |
| Ambient temperature | −60 °C to +135 °C |
| Ex protection | II 2 G Ex d / Ex e IIC Gb · II 2 G Ex eb IIC |
Approvals and certificates
- IECEx certificate IECEx NEM 13.0025X
- ATEX certificate Nemko 13 ATEX 1553X
- Directive 2014/34/EU; IEC 60079-0, IEC 60079-1, IEC 60079-7
Special conditions for use: only one adaptor is permitted for each cable entry. Blanking elements shall not be used with adaptors. When NPT threads are used with an Ex d enclosure, the threads must conform to ANSI/ASME B1.20.1.
Datasheet, EU declaration of conformity and the certificates apply to the whole TEF 660 series and are listed once above the variant table.
Selecting the right adaptor
Every variant has its own part number. Choose by male thread (the thread in the enclosure) and female thread (the thread of the cable gland you want to fit). Across-flats and across-corners dimensions are given for spanner and hole-spacing planning.
