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Mechanical Seals & Parts

Our mechanical seals & parts are high-precision, direct replacements for OEM components—including leading brands such as John Crane, EagleBurgmann, AESSEAL, Flowserve, etc.—engineered to integrate seamlessly with your existing systems, no additional modifications required. Backed by advanced machining, assembly, and testing centers, a well-established supply chain system, and an experienced R&D and production technical team, iflowparts delivers all-round, high-standard mechanical seal products and services.
Our team's profound expertise ensures the precision and reliability of every product, while we also stand ready to accommodate the diverse, customized needs of our clients with tailored support.
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GDMH Double Cartridge Mechanical Seal for Sulzer® APP Pumps

GDMH Double Cartridge Mechanical Seal for Sulzer® APP Pumps

•Suitable for Sulzer® APP pump

•Sizes available: 30, 40, 50, 60, 80, 90

•Supports API Plans 52, 53A, 53B, 53C, 54

•Can replace SE2 TB2

GDMH Double Cartridge Mechanical Seal for Sulzer® APP Pumps
Assembly Diagram
GDMA Double Cartridge Mechanical Seal for Chemical Pumps

GDMA Double Cartridge Mechanical Seal for Chemical Pumps

•Suitable for ANSI standard chambers

•Complies with ASME B73.1 and B73.2 standard pump chamber dimensions

•Dimensions range from 1.375 "to 3.625" (34.9mm to 66.67mm)

•Supports API Plans 52, 53A, 53B, 53C, 54

GDMA Double Cartridge Mechanical Seal for Chemical Pumps
Assembly Diagram
ESM Customized Cartridge Mechanical Seals for Chemical Pumps

ESM Customized Cartridge Mechanical Seals for Chemical Pumps

•Applicable to ISO2858 standard chambers and other compact chambers

•Suitable for Piping Plans 01, 02, 03, 11, 12, 13, 14, 21, 22, 31, 32, 41

•Sizes range from 1.000 "to 4.000" (24mm~100mm)

•Can replace 5610，CSSN CATEX-SN

ESM Customized Cartridge Mechanical Seals for Chemical Pumps
Assembly Diagram
ESMH Single Cartridge Mechanical Seal for Sulzer® APP Pumps

ESMH Single Cartridge Mechanical Seal for Sulzer® APP Pumps

•Sizes range from 30, 40, 50, 60, 80 and 90.

•Suitable for Sulzer® APP pump.

•Can replace SE1 TB1

ESMH Single Cartridge Mechanical Seal for Sulzer® APP Pumps
Assembly Diagram
ESMA Single Cartridge Mechanical Seal for Chemical Pumps

ESMA Single Cartridge Mechanical Seal for Chemical Pumps

•Suitable for ANSI standard chambers.

•Complies with ASME B73.1 and B73.2 standard pump chamber dimensions.

•Dimensions range from 1.375 "to 3.625" (34.9mm to 66.67mm).

•Can replace 4610，CSSN CARTEX-ASQN

ESMA Single Cartridge Mechanical Seal for Chemical Pumps
Assembly Diagram
EDM Customized Dual Cartridge Mechanical Seal for Pumps

EDM Customized Dual Cartridge Mechanical Seal for Pumps

•Supports Piping Plans 52, 53A, 53B, 53C, 54

•Sizes from 1.000” to 4.000” (24mm - 100mm) are available in standard, ANSI, and gland formats

•Applicable to ISO2858 standard chambers and other compact chambers.

•Can replace 4620 Johncrane®Aesseal®CDPN

EDM Customized Dual Cartridge Mechanical Seal for Pumps
Assembly Diagram
EDMH Double Cartridge Mechanical Seal for Sulzer® AppPumps

EDMH Double Cartridge Mechanical Seal for Sulzer® AppPumps

•Supports Piping Plans 52, 53A, 53B, 53C, 54

•Sizes from 1.000” to 4.000” (24mm - 100mm) are available in standard, ANSI, and gland formats

•Suitable for Sulzer® APP pump.

•Can replace SE2 TB2

EDMH Double Cartridge Mechanical Seal for Sulzer® AppPumps
Assembly Diagram
EDMA Double Cartridge Mechanical Seal for ANSI Chemical Pumps

EDMA Double Cartridge Mechanical Seal for ANSI Chemical Pumps

•Supports Piping Plans 52, 53A, 53B, 53C, 54

•Sizes from 1.000” to 4.000” (24mm - 100mm) are available in standard, ANSI, and gland formats

•Aesseal®CDP

•Can replace 4620

EDMA Double Cartridge Mechanical Seal for ANSI Chemical Pumps
Assembly Diagram
GSMH Single Cartridge Mechanical Seal for Sulzer® APP Pumps

GSMH Single Cartridge Mechanical Seal for Sulzer® APP Pumps

•Sizes range from 30, 40, 50, 60, 80 and 90.

•Suitable for Sulzer® APP pump.

•Can replace SE1 TB1

GSMH Single Cartridge Mechanical Seal for Sulzer® APP Pumps
Assembly Diagram
GDM Double Cartridge Mechanical Seal for Chemical Pumps

GDM Double Cartridge Mechanical Seal for Chemical Pumps

•Sizes range from 1.000 "to 4.000" (24mm~100mm)

•Supports API Plans 52, 53A, 53B, 53C, 54

•Can Replace 5620p，DMSF CARTEX-DN

GDM Double Cartridge Mechanical Seal for Chemical Pumps
Assembly Diagram ≤70 mm Assembly Diagram ＞70mm
Double DN Cartridge Mechanical Seal for Chemical Pumps

Double DN Cartridge Mechanical Seal for Chemical Pumps

•Sizes range from 1.000 "to 4.000" (24mm~100mm)

•Supports API Plans 52, 53A, 53B, 53C, 54

•Can Replace 5620p，DMSF CARTEX-DN

Double DN Cartridge Mechanical Seal for Chemical Pumps
Assembly Diagram
KSC Single SN Cartridge Mechanical Seal for Chemical Pumps

KSC Single SN Cartridge Mechanical Seal for Chemical Pumps

•Applicable to ISO2858 standard chambers and other compact chambers

•Supports Piping Plans 01,02,03,11,12,13,14,21,22,31,32,41

•Sizes range from 1.000 "to 4.000" (24mm~100mm)

KSC Single SN Cartridge Mechanical Seal for Chemical Pumps
Assembly Diagram
KSCN Single QN/TN Cartridge Mechanical Seal for Chemical Pumps

KSCN Single QN/TN Cartridge Mechanical Seal for Chemical Pumps

•Applicable to ISO2858 standard chambers and other compact chambers

•Supports API Plans 52, 53A, 53B, 53C, 54

•Sizes range from 1.000 "to 4.000" (24mm~100mm)

KSCN Single QN/TN Cartridge Mechanical Seal for Chemical Pumps
Assembly Diagram
GSM Single Cartridge Mechanical Seal for Chemical Pumps

GSM Single Cartridge Mechanical Seal for Chemical Pumps

•Applicable to ISO2858 standard chambers and other compact chambers.

•Sizes range from 1.000 "to 4.000" (24mm~100mm).

•Can replace 5610Q，SMSS，CARTEX-QN/TN

GSM Single Cartridge Mechanical Seal for Chemical Pumps
Assembly Diagram
GSMA Single Cartridge Mechanical Seal for Chemical Pumps

GSMA Single Cartridge Mechanical Seal for Chemical Pumps

•Suitable for ANSI standard chambers.

•Complies with ASME B73.1 and B73.2 standard pump chamber dimensions.

•Dimensions range from 1.375 "to 3.625" (34.9mm to 66.67mm).

•Can replace 5610，CSSN CARTEX-ASQN

GSMA Single Cartridge Mechanical Seal for Chemical Pumps
GSM ANSI