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New Trolex Slip Ring for restricted space Zone 1 environments

08 April 2015

Trolex Engineering, a worldwide manufacturer and designer of Slip Ring Units, has added the 
TX4707 Slip Ring Unit to their range.  This new Slip Ring is ideal in applications where space is 
limited, as the complete unit is only 95mm long and 160mm diameter.  

The TX4707 is rated up to 2000V, with a maximum throughput of 16 Amps, and is approved for Explosion Protected Group IIB Zone 1 environments.  Suitable for use in conditions with an ambient temperature of -40°C to +60°C, the unit is manufactured in aluminium and then painted to offshore specification.  

The new Slip Ring will be displayed on our Stand, W34, at Ocean Business 2015 in Southampton, UK, from 14 th  – 16 th  April 2015, where our technical team will be able to answer any queries you may have. 

Chris Rogers, Director at Trolex Engineering, said: “We cooperate with our customers to 
overcome their challenges, offering bespoke solutions as required, and the release of the 
TX4707 is a great example of this.  Following a request for a compact unit for use in a wireline 
application, we were able to design and certify the unit in a short period of time to suit the 
customer’s specification.” 

Trolex Engineering have over 35 years experience in the design and manufacture of Electrical 
Slip Ring Units for use in ROV, crane, FPSO turret and winch applications.  They pioneered the 
first flameproof electrical slip ring unit for use on pedestal cranes in oil and gas exploration and 
these products have become a proven method of transferring power and signals across a 
rotational interface. 

For further information about the TX4707 and our wide and comprehensive range of products, 
including our full design capability, visit our website,, or email 

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