Air Dryers

Firscomp provides desiccant heatless / external heater regeneration (adsorption) air dryers suitable for onshore and offshore applications. It eliminates the moisture and prevents corrosion damage to downstream equipment. Air dryers shall be designed to meet the Customer’s request and specifications.

Key Features

• Carbon steel / stainless steel for pressure vessel and piping
• PLC Control based / Microprocessor based control
• Redundant systems compliance to SIL II & III requirements\
• ATEX, suitable for Zone 1 / Zone 2
• Tropicalization ambient temperature up to 65 ºC
• Winterization ambient temperature down to -50 ºC
• Painting (external / internal) as per required specifications
• Pressure Dew point as per ISO 8573
• ASME or Classification approval is available
• Specific flow and dew point is available upon request.
• Ancillaries are included.
  - Prefilter and afterfilter (single or dual)
  - Safety valve
  - Pressure gauge
  - Local control panel (suitable for site conditions)

Specifications

- Application : Instrument Air for Offshore Floating Production Unit

- Type : Pressure Swing Heatless Regeneration Desiccant Type

- Applied Codes : ASME Sec. VIII Div.1

- Skid Size : 7500L x 1800W x 4700H mm

- Construction : 4 dryer towers with two pre/after-filters & one wet air receiver on common skid

- Inlet Air Flow : 2280 Sm3/hr

- Operating Inlet Pressure : 9.5 barg

- Inlet Air Temp. : 45 °C

- Dew Point : 11.1 °C at 10 barg

- Desiccant : Activated Alumina

- Pressure vessel & Piping material : Carbon Steel

- Certificates : U-stamp  for pressure vessels

- ATEX certificates for all instrumentations

- Controlled by dedicated LCP : Redundant PLC system (CPU, Power supply, Communication) LCP is suitable for Zone 2