KUHLWERXIndustrial Cooling Systems
Request a Quote

Home / Equipment / Blast Freezers

Blast Freezers

Evaporators for spiral freezers, freezing tunnels and blast rooms. Each one is designed to the product, the throughput and the defrost method, so there is no table to pick from. Send the freezing rate and the room, and the coil comes back sized.

Best for Spiral freezers, freezing tunnels and blast rooms in food processing.

Long stainless steel unit cooler with exposed copper circuiting at the open end and hinged stainless access panels.
Photo slotfreezer-spiral-1600.jpg

Spiral Freezer Evaporator

Long coil with the copper circuiting at the open end and hinged stainless access panels, for spiral freezer enclosures.

UL approvedEC fans, 60 Hz Aluminum / copper / stainless
Stainless steel unit cooler with three stainless axial fans in draw through cowls and clamped stainless drain pan covers.
Photo slotfreezer-tunnel-1600.jpg

Tunnel Freezer Evaporator

All stainless, three axial fans in draw-through cowls and clamped stainless drains, built to be washed down every shift.

UL approvedEC fans, 60 Hz Aluminum / copper / stainless

Configurations

Vertical high-capacity unit cooler with twin stainless axial fans on top, a coated fin block and exposed copper return bends.
Photo slotblast-freezer-1600.jpg

Blast Room Unit

Vertical high-capacity unit with twin stainless fans on top and a coated fin block, for blast freezing rooms.

Stainless unit cooler shown before fan installation, with full copper coil circuiting and distributor lines exposed.
Photo slotcold-storage-evaporator-1600.jpg

Freezing Room Evaporator

Stainless unit shown before the fans go in, so you can see the circuiting and the distributor lines.

Specifications

US units, 60 Hz power. Every rating states the condition it was taken at.

Coil
5/8 in copper or stainless tube on a 2 by 2 in pitch
Fin spacing
2.5 or 3 fins per inch, or variable in three or more steps
Fans
31 or 36 in EC, high static, draw-through or blow-through
Systems
DX, pumped HFC, CO2, ammonia or secondary coolant
Defrost
Water or hot gas. Air, electric, glycol or high-pressure air on request
Arrangement
Ceiling hung, floor standing, or blowing down over a narrow line
Construction
Food-grade stainless casing, tube and capillary sleeves. Titanium coil option
Options
Insulated casing and drain pan, self-closing dampers with heaters, fan ring heaters
Capacity
Sized per project from the freezing rate
Approval
UL approved
ULISO 9001CEEACRoHS

Models and codes

Built per project. The code is issued with your selection.

How to read the code

KBF-S-04x31-0450-W
  1. KBFBlast freezer evaporator
  2. SType. S spiral, T tunnel, R blast room
  3. 04x31Fans, then fan diameter in inches
  4. 0450Selected capacity, MBH, at your freezing rate
  5. WDefrost. W water, H hot gas, E electric, A air, G glycol

60 Hz. EC fans on 208-230 V/1/60, 208-230 V/3/60 or 460 V/3/60. 49 in fans and larger on a VFD.

Questions buyers ask

All questions

What is a blast freezer evaporator?

The coil and fan section that pulls product down to frozen fast inside a spiral, a tunnel or a blast room. It is built for heavy frost load and frequent defrost.

Why is there no model table?

Every unit is designed to the product, the throughput and the defrost method. Send the freezing rate and the enclosure, and the coil comes back sized.

What construction is available?

Food-grade stainless casing, 5/8 in copper or stainless tube, water or hot gas defrost, and fin spacing of 2.5 or 3 fins per inch or variable.

Request a quote

Send us the heat load.

Fluid, flow, ambient and the space you have. A sized selection comes back with the approval marks confirmed.

Request a Quote

A person reads it. Send the heat load and a selection comes back.