Air & Gas Treatment
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)
Reference Application / Specifications
Heatless Regeneration Desiccant Air Dryer
- Application : Instrument Air for Power Plant
- Type : Heatless Regeneration Desiccant Type
- Applied Codes : ASME Sec. VIII Div.1 & DPEM
- Skid Size : 2400L x 2000W x 3250H
- Construction : One Pre/After Filter, Two drying tower and LCP
- Design Inlet Air Flow : 1280 Nm3/h
- Operating Pressure : 9.7 barg
- Inlet Air Temp. : 50 °C
- Dew Point : - 40 °C
- Desiccant : Activated Alumina
- Pressure vessel & Piping material : Carbon Steel
- Applied Coating System : As Per Project Requirement
Heatless Regeneration Desiccant Air Dryer
- Application : Instrument Air Dryers for Offshore (Topside)
- Type : Heatless Regeneration Desiccant
- Applied Codes : NORSOK, CE Marking in accordance with EU
Directives(MD-2006/42/EC, PED-1997/23/EC) - Construction : 2 Dryers with Pre/After filters on common base skid
- Ambient Temperature : 35 °C
- Discharge Pressure : 10 barg
- Rated Flow : 5065 Sm3/hr
- Dew Point : - 40 °C
- Pressure vessel & Piping material : 316L Stainless Steel
- Applied Coating System : TSA Coating
- Control Panel : RIO Cabinet with class 1 control system, fiber optic
wired to platform SAS, Ex II 3 G Ex d e mb nA[ia] IIC T3
Heatless Regeneration Desiccant Air Dryer
- Application : Instrument Air for Onshore Gas PlantㅣOutdoor
- Type : Heatless Regeneration Desiccant Type
- Applied Codes : ASME Sec. VIII Div.1 U-stamp
- Skid Size : 5000L x 3000W x 3300H mm
- Construction : Two Dryers on a Common Skid with each dryer
caters two pre/after-filters - Design Inlet Air Flow : 1220 Nm3/hr
- Operating Pressure : 9 Barg
- Inlet Air Temp. : 50 °C
- Dew Point : - 40 °C at 9barg
- Desiccant : Activated Alumina + Molecular sieve
- Pressure vessel & Piping material : Carbon Steel
- Applied Coating System : As Per Project Requirement
Heatless Regeneration Desiccant Air Dryer
- Application : Instrument Air for Onshore Gas PlantㅣOutdoor
- Type : Heatless Regeneration Desiccant Type
- Applied Codes : ASME Sec. VIII Div.1 U-stamp
- Skid Size : 3000L x 2500W x 3100H mm
- Construction : Two Dryers on a Common Skid with each dryer
- caters two pre/after-filters
- Design Inlet Air Flow : 50 Nm3/hr
- Operating Pressure : 9 barg
- Inlet Air Temp. : 50 °C
- Dew Point : - 40 °C at 9 barg
- Desiccant : Activated Alumina + Molecular sieve
- Pressure vessel & Piping material : Carbon Steel
- Applied Coating System : As Per Project Requirement
Heatless Regeneration Desiccant Air Dryer
- Application : Instrument Air for onshore Gas PlantㅣOutdoor
- Type : Heatless Regeneration Desiccant Type
- Applied Codes : ASME Sec. VIII Div.1 U-stamp and DOSH Registration
for Pressure Vessel - Skid Size : 5500L x 3500W x 5400H mm
- Construction : Two Dryers on a Common Skid with Common two
pre/after-filters - Design Inlet Air Flow : 3430 Nm3/hr
- Operating Pressure : at 9.5 barg
- Inlet Air Temp. : 46 °C
- Dew Point : - 29 °C @ 9.5 barg
- Desiccant : Activated Alumina
- Pressure vessel & Piping material : Carbon Steel & SS316
- Control Panel : Allen Bradley ControlLogix 1765 Family PLC Based
System, IP66, Stainless 316 Panel - Junction Box : 316LSS, IP66, Ex ’e’ IIC T5/T6
Heatless Regeneration Desiccant Air Dryer with Winterized
- Application : Instrument air for onshore gas field development
- Type : Pressure Swing Heatless Regeneration Desiccant
- Applied Codes : ASME Sec. VIII Div.1
- Skid Size : 6800L x 3110W x 3300H mm
- Construction : 4 dryer towers with 4 pre/after-filters and wet air receiver on
common skid. -28 °C Winterization with Quiet Enclosure - Design Inlet Air Flow : 310 Nm3/hr
- Operating Pressure : 9 barg
- Inlet Air Temp. : 45 °C
- Dew Point : - 40 °C at 9 barg
- Desiccant : Activated Alumina
- Pressure vessel & Piping material : Carbon Steel
External Heated Regeneration Desiccant Air Dryer
- Application : Instrument Air for Power PlantㅣOutdoor
- Type : External Heated Regeneration Desiccant
- Applied Codes : ASME Sec. VIII Div.1
- Skid Size : 3400L x 2400W x 2600H mm
- Construction : Two Dryers on a Common Skid with Common two pre/after-filters
- Design Inlet Air Flow : 240 Nm3/hr
- Operating Pressure : 8.6 barg
- Inlet Air Temp. : 51 °C
- Dew Point : - 40 °C at 8.6 barg
- Desiccant : Activated Alumina
- Electric heater capacity : 5 kW
- Material : Tower & Heater – Carbon Steel / Piping – Stainless Steel 304
Heatless Regeneration Desiccant Air Dryer
- Application : Bulk Air for Offshore Drilling Platform
- Type : Pressure Swing Heatless Regeneration Desiccant Type
- Applied Codes : ASME Sec. VIII Div.1
- Skid Size : 6200L x 3870W x 4530H mm
- Construction : 4 dryers with two pre/after-filters and
wet air receiver on common skid - Design Inlet Air Flow : 1517 Nm3/hr
- Operating Pressure : 7.5 barg
- Inlet Air Temp. : 40 °C
- Dew Point : - 40 °C at 7 barg
- Desiccant : Activated Alumina
- Material :
- - Pressure Vessel : Carbon Steel
- - Piping : Low Temperature Carbon Steel
- - Quiet Enclosure : Stainless Steel
Heatless Regeneration Desiccant Air Dryer
- Application : Instrument air package for Offshore Floating Production Unit.
- Type : Pressure Swing Heatless Regeneration Desiccant
- Applied Codes : ASME Sec. VIII Div.1
- Skid Size : 3400L x 2000W x 2900H mm
- Construction : 4 dryer towers with two pre/after-filters on common skid
- Design Inlet Air Flow : 320 Nm3/hr
- Operating Pressure : 9 barg
- Inlet Air Temp. : 50 °C
- Dew Point : - 40 °C at 9 barg
- Desiccant : Molecular Sieve + Activated Alumina
- Pressure vessel & Piping material : Carbon Steel
Heatless Regeneration Desiccant Air Dryer
- Application : Instrument Air for onshore Oil Field Development
- Type : Pressure Swing Heatless Regeneration Desiccant Type
- Applied Codes : ASME Sec. VIII Div.1
- Skid Size : 2690L x 2310W x 2200H mm
- Construction : 4 dryer Towers with 2 pre/after-filter dryer package,
oil injected screw compressor and wet air receiver on common skid - Design Inlet Air Flow : 340 Nm3/hr
- Operating Pressure : 7.5 barg
- Inlet Air Temp. : 60 °C
- Dew Point : - 40 °C at 7 barg
- Desiccant : Activated Alumina
- Pressure vessel & Piping material : Carbon Steel
Heatless Regeneration Desiccant Air Dryer
- 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
