Gasket for Button Trap / Black Still | FMB 401205/MTP / Union 401205 / Realstar 401205 is a gasket for compatible button-trap / black-still service on dry-cleaning machines.
Use this listing when the installed gasket, machine manual, or service record matches part number 401205/MTP, 401205, or legacy reference G13883. Before ordering, compare gasket shape, dimensions, material, bolt pattern, and the installed button-trap or black-still assembly.
Technical Specifications
Component type: gasket / seal.
Primary system: button trap, black still, still / distillation service.
Primary part number: 401205/MTP.
Related current part number: 401205.
Legacy reference: G13883.
Verification points: gasket shape, dimensions, material, bolt-hole pattern, sealing surface, and installed still/trap assembly.
Part Numbers & Cross References
Part Numbers
FMB / Firbimatic: 401205/MTP and 401205.
Union: 401205 where the Union manual and installed gasket match this path.
Realstar: 401205 where the Realstar manual and installed gasket match this path.
Cross References
Legacy / old FMB reference: G13883.
Old Corbett/Wix reference: Gasket For Button Trap / Black Still Dry Cleaning Part 401205/MTP.
Machine Fitment
Machine fitment for Button Trap / Black Still Gasket | FMB 401205/MTP / Union / Realstar 401205 is organized through Corbett Equipment master manufacturer and model-lineage evidence. Use this section as a fitment-reference map, then verify the installed component, machine data plate, service manual, dimensions, voltage or pressure ratings where applicable, mounting, fittings, and part-number path before ordering.
Master manufacturer / model lineage
Corbett Equipment and FXT Factory records treat FMB / Firbimatic as the master machine-model lineage for this catalog family. Union, Realstar, and Sovrana references are derivative-reference families that must be matched through the installed component, manual table, and machine-specific service record.
FMB / Firbimatic machine models and master families
EcoPro / ECOPRO family: ECOPRO 915, ECOPRO 915S, ECOPRO 918, ECOPRO 918S, ECOPRO AM, ECOPRO AM918.
Saver family: SAVER 35, SAVER 350, SAVER 35P, SAVER 350P, SAVER 40, SAVER 40P, SAVER 80SM, SAVER HYDROCARBON.
F-series / 18 kg family: F AS 18 LT2, F AS 18 ST2, F18 LT2, F18 LT3, F18 ST2.
EcoGreen family: EcoGreen 35, EcoGreen 40 / L2118, EcoGreen 50 / L2120, EcoGreen 60 / L2125, EcoGreen 80 / L2132, EcoGreen 95, EcoGreen 95SM, EcoGreen DC, EcoGreen S50 / S2120, EcoGreen Advance.
EcoGreen SM / AM-prefix soft-mount family: AM918, AM925, AM940, AM2118, S2118, EcoGreen 40SM, EcoGreen 60SM, EcoPro 40SM, EcoPro 60SM.
EcoLine family: EcoLine 35, ECOLINE, ECOLINE 16.
Vortex family: VORTEX 40, VORTEX 50, VORTEX 80, VORTEX 95, VORTEX L2018, VORTEX S2018, VORTEX PRIMARY, Vortex 40 Plus, Vortex 50 Plus, Vortex 80 Plus, Vortex 50 Plus Tandem.
Axial family: AXIAL 40, AXIAL 918, AXIAL 925, AXIAL-918.
System and feature lineage: Hydro-Vac, Hydro-Chill, Tri-Flow, Smart-10, SecureLock, and related recovery, filtration, distillation, cooling, and control-system records.
Other recovered FMB reference families: Eco-15LT3, Eco-15LT-3, L 18, L-250, L750, L2118, P16, P1567, P1705, P6241, T1838.
Recovered numeric model set: 035, 05, 068, 08, 09, 10, 100, 12, 120, 13, 130, 14, 15, 153, 16, 20, 208, 220, 23, 24, 25, 30, 306, 310, 32, 338, 340, 35, 36, 37, 40, 410, 45, 465, 473, 50, 520, 60, 600, 63, 70, 71, 724, 765, 80, 895, 896, 918, 95.
Factory/model-code references observed in recovered Corbett lineage records: HC7-18-CL, HC7-18-CLM, HC7-18-CS, HC8-18-CL, HC8-18-CLM, HC8-18-CS.
Union machine models and derivative families
Core Union derivative references: HXP8018C, L840, P840.
HL / HP / HXL family references: HL-780, HL780, HL-840, HL840K, HP840K, HXL8018K, HL-850, HL850K, HP850K, HL-860, HL860K, HP860K, HXL8025K, HL-880, HL880K, HXL8032K, HL-890, HL890K.
L / RS family references: L740S, L740, HL740, L750, RS-102, RS-122, RS-152.
Verify Union fitment by matching the installed part, Union manual table, FMB / Firbimatic master-model relationship, connection details, and service location.
Realstar machine models and derivative families
KM / KT derivative references: KM315, KM315-K4, KT215, KT215-K4, KM343, KM343-K4, KT343, KT343-K4.
Larger KM / KT references: KM403, KM403-K4, KT403, KT403-K4, KM503, KM503-K4, KT503, KM703, KM703-K4, KM803, KM803-K4.
RKM references: KM-36 / RKM36, KM-340 / RKM340, KM-400 / RKM400.
Verify Realstar fitment by matching the installed part, Realstar manual table, FMB / Firbimatic master-model relationship, connection details, and service location.
Sovrana and other derivative references
Sovrana and other derivative-model references may appear in Corbett lineage records. Treat them as research clues only unless the installed component, machine manual, and part-number path confirm the application.
Model-specific applications
For machines with the button-trap or black still-door seal arrangement equipped with the matching G13883 gasket; confirm material, profile and installed dimensions. Confirm exact model and serial/revision, installed markings and physical fit before ordering. Sister-model applications are conditional on the matching installed assembly and component.
FMB / Firbimatic: EcoGreen 50 (20 kg); L2120 (20 kg); EcoGreen 60 (25 kg); L2125 (25 kg).
Union (matching component and configuration required): HL850 (20 kg); HL850-K (20 kg); HP850 (20 kg); HP850-K (20 kg); HL860 (25 kg); HL860-K (25 kg); HP860 (25 kg); HP860-K (25 kg); HXL8025K (25 kg, configuration-qualified).
Realstar (matching component and configuration required): KM403 (20 kg); KM403-K4 (20 kg); KT403 (20 kg); KM-K225 (25 kg); KM-K325 (25 kg); KM503 (25 kg); KM503-K4 (25 kg); KT503 (25 kg).
Additional EcoGreen L-Series Applications
Only the matching L2132/L2140 button-trap cover gasket; verify exact cover, profile, dimensions and material. Confirm exact machine model, data plate, serial/revision and installed component markings before ordering. Configuration-qualified models require the matching installed assembly; model name or capacity alone is not sufficient.
FMB / Firbimatic: L2132 (32 kg), EcoGreen 80 (32 kg), L2140 (40 kg), EcoGreen 95 (40 kg). Only the matching L2132/L2140 button-trap cover gasket; verify exact cover, profile, dimensions and material.
Union — configuration-qualified: HL880-K (32 kg), HXL8032K (32 kg), HL880 (32 kg), HL890-K (40 kg), HL890 (40 kg). Only the matching L2132/L2140 button-trap cover gasket; verify exact cover, profile, dimensions and material. Confirm exact machine serial/revision and the matching installed component/assembly.
Realstar — configuration-qualified: KM703 (32 kg), KM703-K4 (32 kg), KM803-K4 (40 kg), KM803 (40 kg). Only the matching L2132/L2140 button-trap cover gasket; verify exact cover, profile, dimensions and material. Confirm exact machine serial/revision and the matching installed component/assembly.
Installation & Ordering Verification
Follow machine shutdown and still/trap service safety procedures before replacing gaskets.
Confirm part number 401205/MTP, 401205, or legacy reference G13883.
Clean and inspect sealing surfaces before installation.
After installation, verify proper seal compression and leak-free operation.