From Remote Operating Vehicles (ROV’s) and Floating Production and Storage Offloading (FPSO’s) to Buoy Terminal Systems and Deck Winches, you will find SCHLEIFRING rotary joints designed for Offshore applications.
Featured offshore products may combine various technologies and housings to perfectly meet customers needs: Contacting slip ring technologies, fiber optic rotary joints as well as media rotary swivels combined with a sea-water resistant stainless steel housing, EEX de-proofed or pressure-proofed – there are no limits.

Download Datasheet

Technical Requirements:

• Rated Voltage: 10,5 kV
• Rated Current: 150 Amps
• Short Circuit Level: 12,500 Amps/1 sec.
• Impulse Voltage: 75,000 Volts
• Hazardous area specification: Ex de II T3
• Tightness: IP68 - 20m
• Weight: 7,500 kg

Module and Brush Block for FPSO

• for integration in Ex-Housing
• Power transmission 7 x 400 Amps
• Short-circuit-proof up to 12.000 Amps.
• 70 rings for signal and data transmission (frequency modulated and digital)
• Large free inner bore:  965 mm
• Weight: 380 kgs
• Outer diameter: 1350 mm
• Length: 750 mm

Connector Box

• for electrical and optical cable connections
• Stainless steel housing
• EExd certified
• DNV certified
• Water proof acc. to IP 68 / 20 m soundings

Multichannel Fiber optical rotary joint up to 21 pass

• Single-Mode and Multi-Mode
• appropriate to offshore application
• EExd certified
• DNV certified
• Rugged stainless steel housing
• Integrated connector box for armed cable connection
• Water proof acc. to IP 68 / 15 m soundings
• Weight: 68 kgs
• Outer diameter: 350 mm
• Length: 700 mm

Pressure compensated

• 4 to 21 pass Fiber optical rotary joint
• Single-Mode and Multi Mode
• Full system:
  
• Fluid-filled and pressure compensated up to 6 000 psi (400bar)
• Open system: 
  
• For integration into any existing oil pressure system.
• Pressure tight system incl. dynamic seals for dry use up to 3 000 psi (200 bar).
• Transmission of data rates > 10 GBit/s
• Rotational speed of 100 rpm
• Extremely low insertion loss of < 3.5 dB valid for all channels

Floating Productions and Offloading (FPSO's)

FPSO Swivel stack
High Voltage – Total Safety
This Electrical Power Slip Ring (EPSR) is part of a swivel stack system used off-shore for an oil exploitation vessel located in the South China Sea. The EPSR is transmitting the power for oil pumps located on the sea ground.

Technical Requirements:

• Rated Voltage: 10,5 kV
• Rated Current: 150 Amps
• Short Circuit Level: 12,500 Amps/1 sec.
• Impulse Voltage: 75,000 Volts
• Hazardous area specification: Ex de II T3
• Tightness: IP68 - 20m
• Weight: 7,500 kg.

Buoy Terminal System

• Height: 1,200 mm
• Diameter: 250 mm
• Weight: 95 kg
• Housing: SS 316
• EEx-IIB T3 proofed
• IP 66
• Bureau Vertas certified

Ex-proofed slip ring

• Number of Rings: 10
• Rated Voltage: 250 V
• Rated Current: 15 Amps.
• Power + Signal transmission
• Gold wire brushes on gold plated rings
• Tightness: IP 68
• Hazardous Area Spec.: EEx d II T5
• Main Housing: Stainless steel

Offshore slip ring unit

• Power supply 400 V / 400 A
• Signal transmission 100 V / 6 A
• DataBUS and coax transmission
• Power transmission: silver carbon brushes on brass rings
• Data and signal transmission: gold wire brushes on gold plated rings
• Height: 1,000 mm
• Diameter: 1,500 mm
• Free inner bore: 660 mm

Remote Operating Vehicle (ROV)

Cable Reel

• 40 ways for 110V / 1A
• Transmisison of signals and data
• Max. 200 rpm
• Stainless steel housing
• Sea water resistant
• IP 66

Towed Body Handling System (SONAR)

• Number of circuits 152
• Operating current 2A
• Operating voltage 60V
• Frequency up to 50 MHz
• Max. speed 300 min^-1
• Outer diameter 56.5 mm
• Length 127 mm

Top-site Winches

Towed Array Handling System (TAHS)

• 18 ways
• Power transmission 650 V / 4 A
• Safety Loops
• 4 optical multi-mode data links 200 MBit/s

Naval Winding slip ring

• 3 ways Power 2,000V / 32
  
• 1 Ground bonding ring 6,000V / 32A
• 3 coax-channels 600V / 2A - 20 MHz
• 10 ways for signals 125V / 4A

Sub sea

Ex-proof sub-sea slip ring

Gold wire brushes on gold plated rings

• Number of Rings: 16
• Rated Voltage: 1,5 kV
• Rated Current: 15 Amps.
• Pressure-proof: 100 bar
• Weight: 20 kg
• Dimension: Ø 104 mm / height 285 mm
• Main Housing: Stainless steel
• Connectors: water tight

Submarine Periscope

• 183 ways highly sensitive signals
• 1-way RF DC - 18 GHz
• 3 ways video - RG 179 cable
• capsuled design