Custom Centrifugal Air Compressors
PAP Plus® BH
The PAP Plus BH engineered centrifugal compressor delivers ISO 8573-1 Class 0 oil-free compressed air for demanding industrial applications requiring customized performance and packaging.
Available in one-, two-, and three-stage configurations, the BH provides airflow capacities from 3,500 to 7,000 CFM (100–200 m³/min), with pressure capabilities up to 216 psig (14.9 barg). Its proven aerodynamic design and configurable controls help align compressor performance with site-specific operating conditions.
Backed by FS-Elliott’s engineering expertise, the PAP Plus BH can be configured for complex project specifications, including applicable API and JIP 33 requirements, while supporting energy efficiency, maintainability, and long-term operating performance.
Performance Specifications
Published capacity is the starting point. The BH’s pressure range of 40–216 psig spans multiple configurations, with selection based on the conditions at your facility. Reviewing normal, minimum and peak demand helps establish a package appropriate for your operating profile.
FLOW
3,500 – 7,000
CFM
PRESSURE
40 – 216
PSIG
POWER
540 – 1,560
HP
AIR QUALITY
ISO 8573-1 CLASS 0
WEIGHT
27,000 lb
DIMENSIONS (L × W × H)
174 x 96 x 75 in
FLOW
100 – 200
m3/min
PRESSURE
2.75 – 14.9
barg
POWER
400 – 1,165
kW
AIR QUALITY
ISO 8573-1 CLASS 0
WEIGHT
12,245 kg
DIMENSIONS (L × W × H)
4420 x 2438 x 1905 mm
Specifications vary by configuration.
Features & Benefits
The BH combines an oil-free air path, capacity management and service-oriented components. As throughout the PAP Plus range, these features help your team address reliability, energy use, operation and maintenance within the selected package.
Confidence for Critical Air Demands
The PAP Plus BH can be engineered to meet detailed customer and project requirements, including applicable API and JIP 33 specifications.
Its oil-free air path helps protect processes from compressor oil contamination, while features such as an auxiliary oil pump and available monitoring help operators maintain visibility into compressor condition.
Optimized Design, Efficient Operation
PAP Plus compressors combine optimized aerodynamics, efficient intercooling, and custom-designed impellers to reduce power requirements and optimize airflow.
Mechanically superior bearings and adjustable inlet guide vanes further support efficient operation by reducing power consumption and responding to changing plant conditions and air demand.
Designed with Service Access in Mind
The horizontally split gear case provides technicians with convenient access to internal components for inspection and service, while the removable airend simplifies maintenance and replacement to help minimize downtime. Straight-through intercooler tubes allow for easier periodic cleaning, and the Regulus® control system helps operators monitor and optimize compressor performance.
Together, these maintenance-friendly features help reduce service time, improve equipment reliability, and support long-term performance throughout the compressor’s lifecycle.
Optimize Compressor Performance
Regulus control systems provide intuitive control and real-time visibility into compressor performance, helping operators monitor critical data and respond to changing plant conditions.
Advanced control capabilities simplify operation, support efficiency, and provide the information needed to maintain reliable compressor performance.
Long-Term Support You Can Count On
FS-Elliott supports customers throughout the life of their engineered centrifugal compressor with a standard two-year bumper-to-bumper warranty, backed by factory-trained channel partners and a global service network providing expert maintenance, technical assistance, and ongoing support.
Our Rapid Response Storage Center provides quick access to replacement airends when needed, while FS-Connect delivers added insight into compressor operation and performance.
From commissioning and service to parts, technical support, and long-term equipment needs, we’re here to help keep your compressor performing reliably for years to come.
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