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Boulton Trading Corporation > Products > Packless > Packless Manifold spiral condensers & WSHP coil [Classic models]

Packless Manifold spiral condensers & WSHP coil [Classic models]

Specification Value
Design Coaxial “Tube-in-Tube”
Coil Shape Manifolded Spiral
Core Technology Patented Convoluted Multi-Lead Inner Tube for Enhanced Heat Transfer and Anti-Fouling
Water Flow Through the inner tube (water/brine)
Refrigerant Flow In the annular space between the inner and outer tubes
Max. Refrigerant Working Pressure 650 psig
Max. Water Working Pressure 500 psig
Outer Shell Material Carbon Steel (Typically)
Inner Tube Material Copper (COAX models) or 90/10 Cupronickel (COCX models)
Certifications C-UL-US Listed (Certified by UL and CSA)
Category: Brand:

Description

🛠️ Technical Data (Classic Manifolded Spiral Coil)

This data applies to the high-capacity Classic line (typically 10 to 30 tons).

Category Specification Details
Design Type Coaxial Tube-in-Tube Shell-and-coil heat exchanger.
Core Technology Patented Convoluted Inner Tube Creates high turbulence for enhanced heat transfer and superior anti-fouling characteristics.
Function Condenser or Evaporator Suitable for both WSHP (Water-Source Heat Pump) and water-cooled condenser applications.
Certification C-UL-US Listed Certified by Underwriter’s Laboratories (UL) and CSA for safety and quality.
Manufacturing ISO 9001:2015 Manufactured in an ISO certified plant.
Flow Arrangement Counterflow Recommended for optimum heat transfer performance.
Working Fluid Inner Tube Flow Water or Brine (Glycol/Antifreeze)
Working Fluid Annular Space Flow Refrigerant (compatible with all common HC, HFO, HFC, HCFC, & CFC refrigerants)
Maximum Refrigerant Working Pressure 650 psig Built for modern, high-pressure refrigerants.
Maximum Water Working Pressure 500 psig High-pressure rating on the water/brine side.
Outer Shell Material Carbon Steel Provides structural strength and protects the coil.
Inner Tube Material Options Copper (COAX) Standard. Recommended for fresh water/cooling tower.
90/10 Cupronickel (COCX) Corrosion resistant. Recommended for ground source and marine applications.

 

Additional information

AVALIABLE CLASSIC MODEL

MODEL CAPACITY LENGTH WIDTH HEIGHT
COAX-3010-S 10 tons 21 9⁄16 in 11 1⁄4 in 17 3⁄8 in
COCX-3010-S 10 tons 21 9⁄16 in 11 1⁄4 in 17 3⁄8 in
COAX-3012-S 12 tons 22 5⁄16 in 11 1⁄4 in 18 3⁄4 in
COCX-3012-S 12 tons 22 5⁄16 in 11 1⁄4 in 18 3⁄4 in
COAX-3015-S 15 tons 24 7⁄16 in 11 7⁄8 in 21 3⁄8 in
COCX-3015-S 15 tons 24 7⁄16 in 11 7⁄8 in 21 3⁄8 in
COAX-3020-S 20 tons 22 1⁄16 in 18 3⁄4 in 17 7⁄8 in
COCX-3020-S 20 tons 22 1⁄16 in 18 3⁄4 in 17 7⁄8 in
COAX-3025-S 25 tons 22 13⁄16 in 18 3⁄4 in 19 1⁄4 in
COCX-3025-S 25 tons 22 13⁄16 in 18 3⁄4 in 19 1⁄4 in
COAX-3030-S 30 tons 25 1⁄16 in 20 1⁄8 in 21 7⁄8 in
COCX-3030-S 30 tons 25 1⁄16 in 20 1⁄8 in 21 7⁄8 in
OVERVIEW

The Packless Classic Manifolded Spiral series (COAX/COCX-3000) is a line of high-capacity (10-30 ton), coaxial tube-in-tube heat exchangers used in Water-Source Heat Pumps and condensers. They feature a patented convoluted inner tube for high turbulence, maximizing heat transfer efficiency and providing excellent anti-fouling capabilities. These robust coils are rated for high pressures (650 psig refrigerant / 500 psig water), with options for copper COAX or corrosion-resistant cupronickel COCX inner tubes to suit various water types.

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