Cryogenic Treatment Equipment for Sale

Cryogenic treatment equipment — from the people who run it daily

DCI manufactures and sells industrial deep cryogenic treatment equipment: three rectangular chamber models from 10,000 to 45,000 lb capacity, operating to −300 °F with an in-chamber tempering option, if desired, to +200 °F, plus liquid-nitrogen generation to 1,500 L/day — delivered turnkey, with training, treatment recipes, and support from the only dedicated DCT research lab in the world.

Which chamber fits your parts?

Chamber lineup — capacities and internal dimensions
Model	Capacity	Volume	Internal dimensions	Configuration
CP-52K	45,000 lb	1,230 cu ft	9.5′ × 7′ × 18.5′	Rectangular
CP-36K	30,000 lb	932 cu ft	7.2′ × 7′ × 18.5′	Rectangular
CP-18K	10,000 lb	408 cu ft	8′ × 6′ × 8.5′	Rectangular

All three chambers ship with the Honeywell HC900 hybrid controller and a colour touchscreen interface, operate in dry nitrogen environments rated to −300 °F with optional tempering capability to +200 °F, and monitor temperature with multiple static-air and dynamic part thermocouples. DCI is the manufacturer and vendor for every machine it sells. The CP-52K and CP-36K meet ABSA, UL, CRN, and CSA requirements with PE-stamp approval and one-year warranties; the 36K carries a Lloyd's Register design approval.

What does "turnkey" include?

The chamber plus everything a first-time operator needs to run it safely on day one: vacuum-jacketed transfer hoses, wall mounted oxygen monitor, manuals, and operator training — and the time-temperature cycle formulas for your materials, developed in the only research lab in the world dedicated exclusively to deep cryogenics.

What does a chamber need on site — power, fuel, nitrogen?

The tempering heat option is fuel-fired, not electric. Tempering runs on dual-fuel heaters — natural gas or propane — so the site needs a fuel supply, not a heavy electrical service. The 110 V single-phase connection runs the controller, the instrumentation and the thermocouple igniters that light the supplied fuel; it is not the process-heat source.

How much liquid nitrogen does a cycle take?

Size the nitrogen supply to the weight you are treating, not to the chamber. A 10,000 lb load requires about 1,400 gallons of LN2 to DCT — so a 1,500-gallon storage dewar covers roughly one full cycle at that weight, and supply and storage scale up from there with the load. This is the number to settle before a chamber is specified: the machine is the smaller half of the installation.

Delivered nitrogen, or generated on site?

Two paths and usually the proximity to a metropolitan area is the key factor: bulk LN2 delivered close to the source of supply is always cheaper (OPEX cost) than setting up an on-site LN2 generator (CAPEX cost). That said, remote located DCT operations and those that want control over all variable and fixed expenses would select on-site LN2 generation.

Heat treat facilities gain a double benefit from on-site LN2 generation — they can vaporize any amount of liquid nitrogen to use as a shielding gas for bright annealing and normalizing of stainless steel and other ferrous/non-ferrous materials. They can carburize and carbonitride using nitrogen gas to increase surface hardness and diffuse into a wear-resistant case. Standard quenching uses nitrogen gas in both vacuum and atmospheric furnaces to cool items quickly, while maintaining surface integrity.

Nitrogen gas is also used extensively in powder metallurgy and aluminum heat-exchanger manufacturing to prevent unwanted oxide formation during high-temperature bonding.

Can a heat-treat shop add DCT as a service line?

Yes — that's the natural fit. DCT slots downstream of existing heat-treat work — a finishing step, not a replacement for the spec. Ask us what your shop's part mix would justify.