Rota Engineering LtdBury, Manchester UK

• Design, manufacture and support:- Linear and rotary transducers for hydraulic/pneumatic cylinders and fluid

level applications- Electrical quick disconnects for safe use in ATEX, IECEx and AEx rated

hazardous locations- All 316 Stainless Steel

• In business since 1964• Industries served include:

- Oil and Gas (on-shore and off-shore)- Subsea Transducers- Energy (generation and storage)

Position Transducers•Mounted Internal, External or Retrofit

•No Threads when mated with our “B” series connector

•Strokes of 1 inch to over 10 meters

•Measures linear stroke to a 0.1mm resolution and radial to 0.4 of a degree

•Hall effect technology- can have multiple outputs including digital and analogue

•World wide hazardous area ratings (ATEX, IECEx, Aex)

•IP68 rated and pressures up to 10500psi subsea

•CE Marked

•Proximity Sensing

•-40°C to +80°C Operating Temp (Have done -60°C and +120°C)

Hall Effect Advantages•Simple and robust construction

•Very compact and fully solid state, no external conditioning

•High speed with high accuracy

•High volume production

•High vibration (Resonant frequencies over 114g-Wyle Labs)

•Shock resistant (drop tested from 10m)

•Custom specific designs

•Cost effective

LK/LJ Series•Intrinsically safe

•Subsea to 6000 meters or 10,500psi

•Multiple mounting configurations, any subsea connector suitability

•Redundant, dual sensing, CAN Bus capabilities

•Float and fluid level applications

Sample Engineered Drawing and Associated Cable Assembly

Some LK Applications

• Top Drives for collision detection, wired andwireless

• Dual Sensing in one sensor

• Actuator measurement for surface production trees w/ visual indication

• Replacement of spring loaded potentiometers for chokes

Some LJ Subsea Applications• Subsea BOP ram position

and pressure sensor

• ROV compensator and tooling position

*API, ISO, ANSI, SIL Qualified

• Subsea HIPPS

• Subsea retrofit valves

Retrofit LN/LU Series•“Attach and go”

•Horizontal strokes up to 2000mm’s

(can go higher with clamp)

•Vertical strokes over 5000mm

• Drill string compensator • Iron roughneck and pipe handling applications

External ELC Series•Magnet mounted in/on piston, transducer outside cylinder wall

•Have been used or could potentially be used on artificial lifts, subsea BOPs, Piston Accumulators, hydraulic cylinders

Zone 1 LZ Series•Originally designed for actuators going to Oil Sands

•Resistive device designed to integrate with Fisher DVC

•-50°C operating temp

•High voltage limit switches-176Volts-

Radial RJ/RT Series•Radial position measurement surface and subsea

•0.4° resolution. Used in subsea drilling systems, ROV Tooling, 90° Actuators among others

ML Modular Transducer•Simply bolts on and off

•Makes transportation, installation and maintenance easy

•Up to 130 feet long. Supplied in 1.5, 3, 7 and 10ft sections

Explosion Proof Connectors/Cabling/Enclosures•Zone 0 through Safe Area Ultra Robust

•Triple certified IECEx, ATEX, and AEx for North America

•Ex ‘d’ ‘e’ ‘n’ ‘ia’ certs

•Ability to live disconnect in Hazardous locations. Quick rig up/down, don’t worry about miswiring

• IP 68 when capped or mated. 10bar/1hour.

•Alignment by 316SS housing. Don’t have to worry about bent pins.

•Fiber Optic signals up to 270 Volts

•Up to 41 core applications

•No Threads to Gall

•Turnkey Ex-Proof electrical systems

B Series Connectors•Intrinsically Safe, Ex ‘d’, Ex ‘n’ Zone 2, and Safe Area

•Up to 9 cores. Can be flange/panel mounted, inline, or 90°.

•Typical M20 thread. Can have adaptors or small PG11 applications

Engineered Drawing Sample

DR4 Series•Can live disconnect in Zone 1 without hot work permit or turning equipment off

•Ex ‘d’ ‘e’

•Multi-composite (Ethernet, power, and co-ax in one if necessary)

•Wifi/Bluetooth and USB Flash Drive Dongles

D3 Series•Ex ‘d’ rated for live disconnect in a zone 1 hazardous location for up to 18 cores

Automatic Disconnectability•Specified on life vessels and top drives for automatic disconnect among others with D3 and B connectors…

M and R Series•Higher core applications (Up to 41)

•IS and zone 2 applications

Fiber Optic Series•Single and Multi-mode. ST, SC and MT-RJ leads

•Low Attenuation loss and easy to clean

•Ex ‘d’ rated bulkheads

Conduited Solutions and Ex Reels•Conductors run through armored hydraulic conduit and certified

•Higher core applications are lighter and have higher bend radius

•Ex Reels fit most cable diameters and lengths

•Swivel at each end. What used to take 3 people now takes one hand

Rota Products have been used in…• Production Trees, Surface & Subsea• Surface & Subsea System Valves• Work-Over and Stimulation Vessels• Subsea Intervention Valves• Bridge Connection Systems• Chemical Injection Valves• All types of instrumentation• HIPPs Valves• Displays, HMI’s and PC’s• BOP’s, surface & subsea• Rig Walking Systems• Artificial Lifts

• Crown Movement• Monkey Board• Top Drive• Draw Works• Risers; Stress Monitoring,

Cameras Systems, Internal Packages

• Pump and Choke Pressure• Coiled Tubing• Cementing • Fracturing• Mud and Gas Monitoring• Mast Raising

Rota products have been used or specified by

• NOV• Schlumberger• Baker• BP• Shell• Exxon• ConocoPhillips• Nexen• Statoil• Dril-Quip• Subsea 7

• OneSubsea• Halliburton• GE Oil and Gas• Oceaneering• Weatherford• Sonsub Saipem• Suncor• Maersk• Talisman• Marathon

Contact•Cory Fortner

•Houston(Sugar Land)-Oil and Gas

•Direct 979-485-9018

•Mobile 940-641-0409

•CoryFortner@rota-eng.com

For technical assistance, pricing, application solutions, certificates of conformity, or instruction sheets please contact me directly.