Brazed plate heat exchangers

Compact, high-efficiency units for heat pumps, refrigeration, chillers, oil cooling and heat-recovery systems.

PRODUCT TYPE

Compact constructionHigh heat-transfer efficiencyApplication-specific circuits

PRODUCT OVERVIEW

Compact construction, matched to the system duty

Compact, high-efficiency units for heat pumps, refrigeration, chillers, oil cooling and heat-recovery systems.

Brazing options: Copper-brazed, nickel-brazed and all-stainless configurations
Circuit options: Single-circuit, dual-circuit and dedicated oil-cooler arrangements
Connections: Threaded, solder, welded and application-specific connections
Selection inputs: Fluids or refrigerant, temperatures, flow, pressure and installation envelope

Send operating conditions or model ↗

Brazed plate heat exchanger plate pack, brazing layer, connections and flow channels

CUSTOM CONFIGURATION

Configured for the fluid, pressure and system duty.

Brazing material, plate arrangement, connection type and circuit layout are confirmed against the actual operating conditions.

Brazing material

Copper-brazed, nickel-brazed and all-stainless options selected for corrosion resistance and temperature.

Plates & channels

Plate count and channel arrangement matched to heat duty and allowable pressure drop.

Connections & circuits

Threaded, welded or clamp connections with single- or dual-circuit configurations.

System accessories

Temperature-sensor ports and special connections can be supplied to project requirements.

HOW IT WORKS

A permanently sealed plate pack transfers heat through alternating channels.

Corrugated stainless-steel plates are stacked with brazing filler between each interface, then vacuum-brazed into one compact pressure-resistant block. Hot and cold fluids remain separated while heat passes through the thin plates.

Bilingual diagram of brazed plate heat exchanger plates and alternating hot and cold channels

FLOW PRINCIPLE3 operating steps

Alternating channels

Adjacent plate spaces carry hot and cold fluids separately, with no direct mixing between the two circuits.

Counter-current flow

The two fluids normally travel in opposite directions to maintain a strong temperature difference across the plate pack.

Heat through the plate

Corrugations create turbulence and a large effective area, allowing heat to pass rapidly through each thin stainless-steel plate.

CONSTRUCTION MAP6 design elements

Corrugated stainless-steel plates

Thin pressed plates create turbulent flow channels and provide the primary heat-transfer surface.

Copper or nickel brazing filler

A thin filler layer melts during furnace brazing and forms a continuous metallurgical seal at every plate interface.

Vacuum-furnace bond

Controlled-atmosphere brazing joins the complete stack without gaskets and produces a clean, pressure-resistant core.

Inlet and outlet ports

Four diagonally arranged ports form two independent circuits and support counter-current operation.

Reinforced end plates

Solid end plates carry the connections, stiffen the block and withstand the specified design pressure.

Alternating flow channels

Hot and cold channels share each thin plate wall, maximizing effective area while keeping both fluids separated.

MODEL RANGE

Four product families. 25 model sizes.

Select a family to filter its models; all models are shown by default. The table scrolls horizontally where required.

Series	30 bar model	45 bar model	Height mm	Width mm	Channel volume L	Area per plate m²	Max. flow m³/h	Max. plates	Application / model notes
CB General-Purpose	CB14	CBH14	208	78	0.020	0.013	5	40	Universal heating/cooling
CB General-Purpose	CB20	CBH20	324	94	0.028	0.022	8	100	Universal heating/cooling
CB General-Purpose	CB30	CBH30	313	113	0.054	0.029	15	150	Replaces CB26/CB27
CB General-Purpose	CB60	CBH60	527	113	0.103	0.058	15	150	Replaces CB50/CB52
CB General-Purpose	CB110	CBH110	616	191	0.201	0.090	37	200	Replaces CB76/CB77
CB General-Purpose	CB200	CBH200	740	324	0.501	0.220	120	230	Large flow system
CB General-Purpose	CB300	CBH300	990	365	0.690	0.280	170	250	Large industrial heat exchanger
CB General-Purpose	CB400	CBH400	990	390	0.740	0.299	170	270	Large general purpose
AC HVAC & Refrigeration	AC30	ACH30	325	93	0.028	0.023	15	170	evaporator/condenser
AC HVAC & Refrigeration	AC70X	ACH70X	526	112	0.095	0.051	15	150	Replaces CB52X/AC50
AC HVAC & Refrigeration	AC120	ACH120	617	192	0.201	0.112	37	200	Replacement CB76X
AC HVAC & Refrigeration	AC230EQ	ACH230EQ	490	250	0.200	0.108	60	250	Single circuit refrigeration
AC HVAC & Refrigeration	AC230DQ	ACH230DQ	490	250	0.200	0.108	60	250	Dual circuit refrigeration
AC HVAC & Refrigeration	AC500EQ	ACH500EQ	739	322	0.450	0.221	120	270	Large single circuit
AC HVAC & Refrigeration	AC500DQ	ACH500DQ	739	322	0.450	0.221	120	270	Large double circuit
DOC Oil Cooler	DOC14	DOC14	208	78	0.020	0.014	5	40	Special oil cooling
DOC Oil Cooler	DOC20	DOC20	324	94	0.028	0.022	8	100	Hydraulic oil cooling
DOC Oil Cooler	DOC30	DOC30	313	113	0.050	0.029	15	100	Replaces DOC27
DOC Oil Cooler	DOC60	DOC60	527	113	0.103	0.058	15	80	Replaces DOC52
DOC Oil Cooler	DOC112	DOC112	616	190	0.108	0.100	37	300	Replaces DOC77
AlfaNova All-Stainless	AN14	ANH14	207	77	0.020	0.013	5	50	All stainless steel brazing
AlfaNova All-Stainless	AN27	ANH27	310	112	0.050	0.025	15	100	Corrosion sensitive conditions
AlfaNova All-Stainless	AN52	ANH52	526	112	0.095	0.051	15	150	All stainless steel brazing
AlfaNova All-Stainless	AN76	ANH76	618	192	0.250	0.100	37	150	Optional DN50
AlfaNova All-Stainless	AN400	ANH400	900	300	0.740	0.299	170	270	Optional DN100

Models and data are provided for compatibility and preliminary selection only and do not imply authorization by third-party brands. Final configuration is subject to CHENHE technical confirmation.

PROJECT REFERENCES