Heat Exchanger Gaskets

Aiprel plate heat exchanger gaskets provide reliable sealing and correct fluid distribution within gasketed plate-and-frame heat exchangers.

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Description

Each gasket fits into the groove around a heat transfer plate. It seals the plate perimeter and selected port openings, preventing external leakage while directing the hot and cold fluids through their designated channels.Aiprel supplies replacement heat exchanger gaskets in NBR, HNBR, EPDM, high-temperature EPDM and FKM compounds. Glued, clip-on, snap-on and stud-mounted configurations are available for Aiprel equipment and selected third-party heat exchanger models.

Application of Plate Coolers in Pasteurization Processes

Heat Recovery Section: Heat is exchanged between unpasteurized cold ingredients and pasteurized hot ingredients.
Heating Section: The preheated ingredients are rapidly heated to the specified pasteurization temperature using an external heat medium. Cooling section: The sterilized and heat-insulated raw materials are quickly cooled to the temperature required for filling or storage through refrigerant or cooling water.

Plate Heat Exchangers’ high heat recovery rate is its greatest advantage in pasteurization. The preheating and precooling processes are nearly 90% energy self-sufficient, significantly reducing operating costs. At the outlet of the holding section, if the material temperature falls below the set sterilization temperature, the control system immediately activates a diverter valve, automatically transferring the material back to the balancing tank for reprocessing, ensuring 100% sterilization compliance.

Main Advantages

Accurate Plate-Groove Fit

The gasket profile is matched to the plate groove, port arrangement and attachment system. Correct geometry prevents the gasket from twisting, stretching or moving during plate-pack compression.

Multiple Elastomer Compounds

NBR, HNBR, EPDM, high-temperature EPDM and FKM options allow gasket selection according to fluid composition, temperature and cleaning conditions.

Glued and Adhesive-Free Options

Aiprel can provide glued, stud-mounted, clip-on and snap-on gasket configurations for different plate designs and maintenance requirements.

Convenient Replacement

Individual gaskets can be replaced during planned maintenance without replacing the complete plate pack, provided the plates and gasket grooves remain serviceable.

Reliable Flow Control

The gasket seals selected plate ports and guides each fluid through the correct channels, supporting stable thermal performance and media separation.

Custom Gasket Development

Replacement gaskets may be developed from a technical drawing, original gasket or matching heat exchanger plate when an existing model cannot be identified.

Specification

NBR
Oil resistance and general industrial use
HNBR
Improved heat, oil and mechanical resistance
EPDM
Hot water, steam and many water-based chemicals
High-Temperature EPDM
Elevated-temperature water and steam
FKM
Hydrocarbons, solvents and high-temperature chemicals

Application

Alfa Laval-Compatible Gaskets

Representative models include:

M3, M3X, M6, M6B, M6M, M6MD, M6MW, M6MX, M10B, M10BD, M10BW, M10BWREF, M10M, MS6, MS10, MS15, M15B, M15Blip, M15M, M15F, MK15BW, M20M, M20MW, MX25B, MX25M, M30, M30D, MA30S, MA30W, MA30M, T5M, TL3, TS6M, TS20M, TL6B, TL10B, TL10P, T50M, T50ML, T200, TL15B, TL35, Clip3, Clip6, Clip8, Clip10, Front3, Front6, Front8, Front10, JWP26, JWP36, H7, H10, I60, I60M, I100B, I100M, I150B, I150M, EC50, EC350, EC500, EC650, EC700, AC400, AC700, A3, A10, A10B, AM10, A15, A15B, A15BW, A20, A20B, AM20, AM20B, AM20N, AM20S, AM20W, AM20DW, AK20, AX30, AX30B, AX30BW, A35, P01, P016, P12/122, P12/124, P13, P132, P135, P14, P14/L1, P145, P15, P16, P17, P2, P20, P22, P225, P25, P252, P26, P30, P31, P32, P36, P41, P45, P5/1, P5/2, PAR01, PAR22, AlfaVap350, AlfaVap500, AlfaVap500F, AlfaVap650, AlfaVap700, AlfaCond400, AlfaCond600, AlfaCond800.

APV/SPX-Compatible Gaskets

Representative models include:

A055, A085, A145, H12, H17, H20, H25, H30, N25, N35, N50, J060, J092, J107, J185, M60, M92, M107, M185, Q030D, Q030E, Q055D, Q055E, Q080D, Q080E, K34, K55, K71, B063L, B063S, B110L, B110S, B134L, B134S, B158L, B158S, B205L, B205S, SR1, SR2, SR3, SR6AA, SR6AG, SR6GH, SR6GL, SU6GL, SR9, SD9, SR14AD, SR14AH, SR14AN, SR14AP, SR14GD, SR14AG, AR14PP, SR23AO, SR23PV, SR23VO, SR38, SR95, R5, ER5, R6, R8, R10, R14, R23, R40, R55, R66, R86, R89, R106, R145, R235, R405, P105, P190, TR9AL, TR9AV, TR9GL, TR9GN, LR9AL, LR9GL, LR9GN, LD9AL, LD9GL, LD9GN, D37, U2, T4, TR1, HMB, HX, WHX, JUNIOR, CHF130, FFPE, PESERIII, RFE, RFFPE, SR15PE, CS235, CZ450A.

GEA-Compatible Gaskets

Representative models include:

VT04P, VT10F, VT20, VT20C, VT20G, VT20P, VT40, VT40C, VT40G, VT40P, VT40M, VT80, VT80C, VT80G, VT80M, VT80P, VT402, VT405, VT805, VT130F, VT130K, VT1306, VT1309, VT180M, VT2508, NT10, NT50T, NT50X, NT50M, NT100T, NT100M, NT100X, NT150S, NT150L, NT250S, NT250M, NT250L, NT350S, NT350L, NT500, N40, FA157, FA159, FA161, FA184NG, FA184WG, FA192NG, FA192WG, LWC100T, LWC150, CT187, CT189.

Tranter-Compatible Gaskets

Representative models include:

GCD006, GCD012, GLD013, GLP013, GCD018, GCP026, GCD030, GCP030, GCP051, GCP054, GCD054, GCD055, GCP060, GCD065, GCD018, GC8, GC12, GL13, GC26, GC30, GC42, GC51, GC60, GL145, GL205, GL230, GL330, GX7, GX12, GX18, GX26, GX42, GX51, GX60, GX64, GX85, GX91, GX100, GX118, GX140, GX145, GXD012, GXP018, GX026, GXD026, GXP026, GXP037, GXD037, GX042, GXD042, GXP042, GX051, GXP051, GXD051, GXD060, GXD064, GXD085, GXD091, GXD100, GXP118, GXD140, GXD145, GFP030, GFP050, GF057, GFP057, GFP080, GFP097, GF097, GFP100, GFP180, GFP187, GF187, S3, S8, HX12, HXD012, HX25, HX50, HXD050, HX85, HXD085, HX180, HXD180, HXD145, GM56, GM59, GM138, GM257, GM276, TW5, TW10, TW18, UX01, UX05, UXP005, UXP010, UXP060, UX06T, UX10, UX20, UX40, UXP200, UXP400, UX80, UXP81, UX801, UXP900, G12, G28, G30, G48, G50, G55, G65, G66, G75, G78, G85, G95, G25, G52, G58, G102, G108, G153, G157, G158, G159, G214, G234, G254, G274, G322, G342, G52, G58, G65, GF138, GF257, GF276, GF59, MF138, MF257, MF276, MF56, MF59.

Sondex-Compatible Gaskets

Representative models include:

S4A, S7, S7A, S8, S8A, S9A, S14, S14A, S15, S17, S18, S19, S19A, S20, S20A, S21, S21A, S22, S23, SF25 (Glued), SF25A, SF25, S30, S31A, S35, S36, S37, S38, S39, S41, S41A, S42, S43, S43A, S47, S47A, S50, S58, S61, S62, S64, S65, S65A, S72, S80, S81, S86, S100, S110, S120, S121, S130, S136, S145, S152, S188, SW40, SW189, SW229, SF123, FPS41, FPS19, SFD13, SFD22.

Vicarb-Compatible Gaskets

Representative models include:

V4, V4DW, V7, V8, VU8, VU12, V13 (glued, single-side), V13DW, V20 (glued, single-side), V20DW, V28 (glued, single-side), V45 (glued, single-side), V45DW, V55, V60 (glued, single-side, diagonal, clip-on), V60DW, V85, V80 (clip-on, diagonal), V100, V110, V110RT, V120, V130, V170, V180, V260.

Accessen-Compatible Gaskets

Representative models include:

AU03, AU05, AU08, AU10L1, AU10L2, AU15L1, AU15L2, AU20, AU50, AU35, AU15, AU45, AU58, AU70, AU98, AN5, AN10, AN10M, AN10L2, AN15L1, AN15L2, AN20, AN25L1, AN25L2, AN30L1, AN30L2, AN30L3, AN30L4, AN35L1, AN35L2, AN35L3, AN35L4, AN40L1, AN40L2, AN40L3, AN40L4, AN45L1, AN45L2, AN45L3, AN45L4, AN50L1, AS6, AS10, AS20, AS25, AS30, AS40, AC15, AC25, AC35, AC45, AC50, AC65, AC70, AC98, AC150, AC180, AC190, AP5, AP8, AP20, AP25, AP35, AP075, AP98, AP120, AP165, AP210.

Additional models may be available following dimensional or sample verification.

Funke-Compatible Gaskets

FP02, FP04, FP05, FP08, FP10, FP14, FP16, FP19, FP20, FP22, FP22, FP205, FP31, FP40, FP41, FP50, FP60, FP70, FP80, FP81, FPS100, FPS120, FPS30, FPS35, FPS39, FPS43, FPS50, FPS65.

How to Select the Correct Gasket

Selecting a gasket by heat exchanger model alone may be insufficient. The same equipment model may use different gasket compounds or attachment systems.

The following information should be confirmed:

  • Heat exchanger manufacturer
  • Equipment model
  • Plate code
  • Gasket attachment type
  • Existing gasket material
  • Fluid names
  • Fluid concentrations
  • Operating temperature
  • Cleaning temperature
  • Operating pressure
  • Steam exposure
  • Oil or hydrocarbon exposure
  • Cleaning chemicals
  • Food-contact requirements
  • Required quantity
  • Channel or end-plate function

Signs That Gaskets Need Replacement

Replace or inspect the gaskets when they show:

  • Cracking
  • Hardening
  • Loss of elasticity
  • Swelling
  • Softening
  • Permanent flattening
  • Shrinkage
  • Surface blistering
  • Chemical attack
  • Broken clips or studs
  • Repeated external leakage
  • Gaskets moving out of the groove
  • Leakage after correct retightening

Leakage is not always caused by the gasket. Corroded plates, damaged gasket grooves, incorrect plate order and uneven frame compression should also be checked.

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