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Construction Options

  • Standard Construction — G-235 mill galvanized steel is the heaviest commercially available galvanized steel, universally recognized for its strength and corrosion resistance. To assure long life, G-235 mill galvanized steel panels and structural members are used as the standard material of construction. The standard construction has been certified to withstand up to an SDS of 3.10g and can withstand wind loads of up to 140 psf, proving its construction is designed for extreme durability. With proper maintenance and water treatment, G-235 galvanized steel will provide an excellent service life under the operating conditions normally encountered in refrigeration applications.
  • TriArmor® Corrosion Protection System (Option) The TriArmor® Corrosion Protection System consists of heavy gauge G-235 galvanized steel panels fully encapsulated by a thermosetting hybrid polymer and further protected by a polyurethane barrier applied to all submerged surfaces of the cold water basin. The triple layers of protection form a completely seamless cold water basin for the most leak resistant and durable basin in the industry. Other components within the basin, such as the strainer and submerged structural supports, will be constructed of Type 304 Stainless Steel. The TriArmor® Corrosion Protection System was specifically designed for evaporative cooling applications and released in 2006 after a decade of extensive R&D and field testing. To date, there are over 1,000 successful installations in North America. Every basin is leak tested at the factory and warranted against leaks and corrosion for five years.

    TriArmor® Corrosion Protection System Triple Layer Protection of the Cold Water Basin

    TriArmor® Corrosion Protection System Triple Layer Protection of the Basin

  • EVERTOUGH™ Construction (Option)  EVERTOUGH™ Construction combines the most corrosion resistant materials to provide the best value in corrosion protection for most water chemistries. EVERTOUGH™ Construction is backed by a comprehensive 5-year warranty which covers ALL components from the fan to the basin, including the motor. The following materials are used in EVERTOUGH™ Construction:
    • The basin is constructed with the TriArmor® Corrosion Protection System. The basin is leak tested at the factory and warranted against leaks and corrosion for 5 years.
    • Designated steel components above the basin are constructed of heavy-gauge G-235 mill galvanized steel and further protected with a thermosetting hybrid polymer. The thermosetting hybrid polymer has been tested to withstand 6,000 hours in a 5% salt spray without blistering, chipping, or loosing adhesion.
    • The distribution system is non-corrosive Schedule 40 PVC. Other components within the basin, such as the strainer and submerged structural supports, will be constructed of Type304 stainless steel.
  • Stainless Steel (Option) —Several Type 304 stainless steel material of construction options are available.
    • Welded Type 304 Stainless Steel Basin (Option) All steel panels and structural members of the basin are constructed from Type 304 stainless steel. Seams between panels inside the basin are welded, providing an advantage over bolted stainless steel basins for minimizing susceptibility to leaks at basin seams. The basin is leak tested at the factory and welded seams are provided with a 5-year, leak-proof warranty.
    • All Type 304 Stainless Steel Construction (Option) Steel panels and structural elements are constructed of Type 304 stainless steel. Seams between panels inside the basin are welded. The basin is leak tested at the factory and welded seams are provided with a 5-year, leak-proof warranty.
  • Seismic/Wind Upgraded Structure — Select steel panels and structural members are upgraded for higher seismic and wind load applications. An upgraded PCC unit is certified to withstand up to an SDS of 3.10g and wind loads of up to 140 psf.

Coil Configurations

  • Standard Serpentine Coil —The standard coil is constructed of continuous lengths of all prime surface steel. The coil is hot-dip galvanized after fabrication (HDGAF) to apply a thick, zinc corrosion barrier over the entire exterior surface of the coil. The coil is designed for low pressure drop. Each coil has a maximum allowable working pressure of 300 psig (2,068 kPa) and is fabricated per ASME B31.5 standards to ensure the highest quality and complete integrity.

    Standard Serpentine Coil

    Standard Serpentine Coil

  • Stainless Steel Coil (Option) Coils are available in Type 304 stainless steel for specialized applications. The coil is designed for low pressure drop with sloping tubes for free drainage of fluid. The coil has a maximum allowable working pressure of 300 psig (2,068 kPa) and is fabricated per ASME B31.5 standards to ensure the highest quality and complete integrity.
  • ASME U Designator Coil — BAC offers coils that are certified in accordance with the ASME Boiler and Pressure Vessel Code, Section VIII, Division I. ASME U designated coils are available for projects requiring ASME certified pressure vessels and involve 3rd party inspection and certification. Standard ASME U designated coils are rated at 340 psig (2,344 kPa) maximum allowable working pressure, and they are pneumatically tested at 375 psig (2,586 kPa).
  • Multiple Circuit Coils/Auxiliary Cooling Circuit (Option) Split coil configurations are available to allow separate process fluid or refrigerant loops through the same unit. Separate loops may be needed for multiple applications requiring different temperature processes or multiple types of process fluids or refrigerants. Multiple refrigerant circuit coils are generally required on halocarbon refrigerant systems, where it is common practice to maintain individual compressor systems. The quantity of circuits, capacity per circuit, and desired connection size and type should be specified when requesting this option.
  • Copper Sweat Fittings (Option) — Factory installed copper sweat fittings are available to simplify field piping.
    NOTE: A Canadian Registration Number (CRN) is required for all pressure vessels over 15 psig entering Canada. The CRN identifies that the design of a boiler, pressure vessel, or fitting has been accepted and registered for use in Canada. CRN is available for all BAC Dual and TriCoil configurations in Canada.

Drive System Options

  • Standard Independent Direct Drive Motors (Standard on PCC-x-0406x and PCC-x-0412-x Only)  The direct drive motor system with TEAO motors is factory mounted, alleviating the need for field installation and includes independent fans and motors for capacity control and redundancy in critical applications. Direct drive systems have the benefit of simplicity by having fewer moving parts, which reduces maintenance requirements and friction loses within the drive system.
  • Standard BALTIDRIVE® Power Train —The BALTIDRIVE® Power Train utilizes special corrosion resistant materials of construction and state-of-the-art technology to ensure ease of maintenance and reliable year-round performance. This BAC engineered drive system consists of a specially designed powerband and two cast aluminum sheaves located at minimal shaft centerline distances to maximize belt life. When compared to a gear drive system, this specially engineered belt drive system provides many advantages. The BALTIDRIVE® Power Train requires only periodic inspection of components and belt tensioning, which is simple with a single nut adjustment and requires less downtime. Only fan bearing lubrication is required for routine maintenance. Belt drive systems also have the added advantage of being suitable for variable frequency drive (VFD) applications without requiring expensive optional accessories.
  • Independent Fan Operation (Option) — Two fan 12’ x 18’ PCC models are available with an independent fan. The option consists of one fan motor and drive assembly for each fan to allow independent operation, adding an additional step of fan cycling for capacity control. This option ensures complete redundancy for the fan and motor system.

    Two Fans on 12’ x 18’ Footprints (Option)

    Two Fans on 12’ x 18’ Footprints (Option)

  • Vibration Cutout Switch (Option) — A factory mounted vibration cutout switch is available to effectively protect against rotating equipment failure. BAC can provide either a mechanical or solid-state electronic vibration cutout switch in a NEMA 4 enclosure to ensure reliable protection. Additional contacts can be provided on either switch type to activate an alarm. Remote reset capability is also available on either switch type.


  • Standard Mechanical Water Level Control — Mechanical make-up valves must operate continuously in the moist and turbulent environment within evaporative cooling equipment. Due to this environment, the operation of the valve must be simple and the valve must be durable. BAC’s high quality mechanical water level control assembly is standard with all units and has been specially designed to provide the most reliable operation while being easy to maintain. This accessory is omitted for remote sump applications.
  • For basin accessories, click here.

Water Distribution System

  • Standard Spray Water Pump  The PCC water distribution system comes standard with an integral spray water pump sized to distribute the recirculating water over the coil maximizing capacity. The patented BAC 360™ Spray Nozzles are non-clog, ensure even flow over the coil area, and are simple to remove for maintenance.

Shipping and Rigging

  • InterLok™ System — The InterLok™ System is a self-aligning casing/basin joint that makes assembly easier. The alignment of the casing and basin joint determines the leak resistance of the joint. With the InterLok™ System, the joint is now inside the unit, therefore eliminating the possibility of water leakage at these seams.
  • Rigging Guides The PCC is designed with a robust structural frame around the coil casing to assure square-ness during shipping and rigging. The lower section is equipped with field installed rigging pins that reduces alignment time to less than 15 minutes.
  • Knockdown Units (Option) — Knockdown units are available for jobs where access to the evaporative condenser location is limited by elevators, doorways, or similar obstacles, where lifting methods impose very strict weight limits, or where the shipping cost of a fully assembled unit is excessive. All materials of construction and design features are the same as those of a factory assembled unit. Welded Type 304 stainless steel basins and TriArmor® Corrosion Protection System basins are excluded due to the need for in-plant assembly.
  • Containerized Units (Option) —  The PCC 4’x6’, 4’x12’, 7.4’x9’, and 7.4’x18’ can be containerized in a standard shipping container for easy export, allowing for the lowest transportation cost possible when providing high quality BAC units to all parts of the world. Up to 500 nominal R-22 tons in a single 40’ shipping container.

Sound Options

  • Standard Fan — The fan provided for all PCC Evaporative Condensers is selected to optimize low sound levels and maximize thermal performance.
  • Low Sound Fan (Option) — The Low Sound Fan option reduces sound up to 8 dBA. Adding a high solidity fan allows for decreased fan speed, which proportionally decreases sound levels.
  • Whisper Quiet Fan (Option) The Whisper Quiet Fan reduces sound up to 15 dBA. This single piece, high solidity fan is made from chemical resistant fiber reinforced polyester (FRP) and comes standard with blade leading protection. As a single piece fan, the non-corrosive blades are permanently pitched and require minimal maintenance.
  • Water Silencers (Option) — Water silencers are available to reduce the sound of falling water inherent in induced draft counterflow evaporative condensers. When utilized with one of BAC’s Low Sound Fans, the sound contribution due to water noise can be reduced to negligible levels.
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