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Alfa Laval AQ6LAlfaQTM AHRI-certified plate heat exchanger

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ApplicationsGeneral heating and cooling duties.

Standard designThe plate heat exchanger consists of a pack of corrugatedmetal plates with portholes for the passage of the two fluidsbetween which heat transfer will take place.

The plate pack is assembled between a fix frame plate and amovable pressure plate and compressed by tightening bolts.The plates are fitted with a gasket which seals the interplatechannel and directs the fluids into alternate channels. Thenumber of plates is determined by the flow rate, physicalproperties of the fluids, pressure drop and temperatureprogram. The plate corrugations promote fluid turbulence andsupport the plates against differential pressure.

The plate and the pressure plate are suspended from anupper carrying bar and located by a lower guiding bar, bothof which are fixed to a support column.

Connections are located in the frame plate or, if either or bothfluids make more than a single pass within the unit, in theframe and pressure plates.

Typical capacitiesLiquid flow rateUp to 120 kg/s (1900 gpm), depending on media, permittedpressure drop and temperature program.

Plate typesAQ6L

Frame typesFM, FG, FD and FS

Working principleChannels are formed between the plates and the corner portsare arranged so that the two media flow through alternatechannels. The heat is transferred through the plate betweenthe channels, and complete counter-current flow is createdfor highest possible efficiency. The corrugation of the platesprovides the passage between the plates, supports eachplate against the adjacent one and enhances the turbulence,resulting in efficient heat transfer.

Flow principle of a plate heat exchanger

STANDARD MATERIALSFrame plateMild steel, Epoxy painted

NozzlesCarbon steelMetal lined: Stainless steel, TitaniumRubber lined: Nitrile, EPDM

PlatesStainless steel: Alloy 304, Alloy 316. Titanium

GasketsNitrile, EPDM

TECHNICAL DATAPressure vessel codes, PED, ASME, pvcALS™Mechanical design pressure (g) / temperature*

FM pvcALS™ 1.0 MPa / 180ºCFG pvcALS™ 2.0 MPa / 50°CFG PED 2.0 MPa / 50°CFG ASME 150 psig / 482°FFD ASME 300 psig / 482ºFFS pvcALS™ 3.5 MPa / 50°CFS PED 3.5 MPa / 50°C

FS ASME 460 psig / 482ºF* All PED and ALS units, except FM, are optimised for a design temperatureof 50ºC (122ºF).All PED and ALS units are also available for of multi range temperatures 50,100, 150, 180 and 200ºC with corresponding lower design pressure.

Connections

Size: DN150 / NPS 6 / 150AFM pvcALS™ EN 1092-1 PN10, ASME B16.5 CIass 150, JIS

B2220 10KFG pvcALS™ DIN/GB/GOST PN16, PN25, ASME Cl. 150, JIS

10K, JIS 16KFG PED EN 1092-1 PN16, EN 1092-1 PN25, ASME

B16.5 CIass 150FG ASME ASME B16.5 CIass 150FD ASME ASME B16.5 CIass 300FS pvcALS™ EN 1092-1 PN25, EN 1092-1 PN40, ASME

B16.5 CIass 300JIS 10K, JIS 20K

FS PED EN 1092-1 PN25, EN 1092-1 PN40, ASMEB16.5 CIass 300

FS ASME ASME B16.5 CIass 300Standard EN 1092-1 corresponds to GOST 12815-80 and GB/T9115.

W 288 (11.3")

203

5 (8

0.1"

) h

H

1233 - 3978 (48.5"- 156.6") 1233 - 2733 (48.5"-107.6") only FM pvcALS™

Measurements mm (inch)

Type H W hAQ6L-FM/pvcALS™ 2752 (108.3") 610 (24.0") 342 (13.5")AQ6L-FG/PED/pvcALS™ 2752 (108.3") 637 (25.1") 342 (13.5")AQ6L-FG/ASME 2752 (108.3") 646 (25.4") 342 (13.5")AQ6L-FD/ASME 2752 (108.3") 646 (25.4") 342 (13.5")AQ6L-FS/PED/pvcALS™ 2752 (108.3") 646 (25.4") 342 (13.5")AQ6L-FS/ASME 2752 (108.3") 646 (25.4") 342 (13.5")The number of tightening bolts may vary depending on pressure rating and Pressure VesselCode (PVC) requirements.

Maximum heat transfer surface990 (1.1 x 900) m² (10660 sq.ft)

Particulars required for quotation- Flow rates or heat load- Temperature program- Physical properties of liquids in question (if not water)- Desired working pressure- Maximum permitted pressure drop- Available steam pressure

The thermal performance is third party certified throughthe AHRI Liquid to Liquid Heat Exchangers certificationprogram

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ECF00370EN 1506 Alfa Laval reserves the right to change specifications without prior notification.

Lenntechinfo@lenntech.com Tel. +31-152-610-900www.lenntech.com Fax. +31-152-616-289info@lenntech.com Tel. +31-152-610-900www.lenntech.com Fax. +31-152-616-289

tocAlfa Laval AQ6LApplicationsStandard designTypical capacitiesLiquid flow ratePlate typesFrame typesWorking principleSTANDARD MATERIALSFrame plateNozzlesPlatesGasketsTECHNICAL DATAPressure vessel codes, PED, ASME, pvcALS™ConnectionsMeasurements mm (inch)Particulars required for quotation.

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