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PR3913 Subsea Control Valve Pressure Transmitter

PR3913

Subsea Control Valve Pressure Transmitter

  • Silicon-on-Sapphire sensor technology for outstanding performance
  • Submersion to 3,000 mtrs sea level
  • Pressure ranges available to 1,000 bar
  • High accuracy option
  • Hyperbaric testing to 3,300 m depth
  • Environmental Stress Screening (ESS Testing)
  • Suitable for ROV and deep sea test equipment
  • Comprehensive documentation package and certification
  • ATEX/IECEx option available (includes M1 for mining applications)

Description

The PR3913 Valve-Mountable pressure transmitter has been designed to meet the requirements of the sub-sea oil industry and is configured to mount directly to the industry standard control valve flange arrangement.

The unique Silicon-on-Sapphire sensor technology provides outstanding performance and gives excellent stability over a wide temperature range. The sensor endures high over-pressures and provides superb corrosion resistance with virtually no hysteresis. The outstanding insulation properties of the sapphire allows the sensor to operate over a very wide temperature range without loss of performance.

Housed in fully welded body with wetted parts conforming to the NACE recommendation for material corrosion resistance, this product will provide a durable solution for long term accurate pressure measurement even when permanently situated in extreme depth sub-sea environments.

The pressure connection is achieved with an 8mm diameter stem with integral dual redundant o-ring seal grooves. The fitting is constructed from Inconel 625 for high chemical resistance. Providing a two wire output signal of 4-20 mA with high stability and repeatability for pressure ranges up to 1,000 bar. Intended for permanent immersion in pressurised dielectic oil and protected from ingress with a high pressure glass-to-metal lead through the product can withstand external pressure up to 3,000 metres depth water and provides secondary pressure containment up to 1,650 bar. Electrical connection is via strong PTFE Raychem Flexlite leads. Pressure ranges available from 0-200 bar to 0-1,000 bar.

Units can be supplied with hyperbaric test certificates to 3,000 metres water submersion, ESS testing and comprehensive document packages.

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