Finding the right mechanical seal the easy way

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All mechanical seals (48)

4AP (Amaprop)

4AP (Amaprop)

Single mechanical seal, bi-directional, tailored to the seal installation space and the submersible mixer‘s requirements.
Suitable for...

4C (CPK) / 4CN (CPKN)

4C (CPK) / 4CN (CPKN)

The seal is tailored to the conical installation space of the pump and perfectly suitable for solids-laden fluids.
Stationary design...

4CP (MegaCPK/CPKN)

4CP (MegaCPK/CPKN)

Balanced single cartridge seal
Stationary; the large springs with high axial mobility are located outside the fluid handled and thus...

4CPD (MegaCPK/CPKN)

4CPD (MegaCPK/CPKN)

Balanced single cartridge seal
Stationary; the large springs with high axial mobility are located outside the fluid handled and thus...

4EB (Etaline-R/Etanorm-R)

4EB (Etaline-R/Etanorm-R)

Single modular mechanical seal, bi-directional and balanced.
The modular design facilitates installation without assembly fixtures or...

4EDBM6S & Q (API pumps)

4EDBM6S & Q (API pumps)

The single cartridge seal can be connected to all common API Plans, such as 01, 02, 11, 31, 32 + 51, 61 (62) and 23 + 51, 61 (62). The...

4EDBM6T & D (API pumps)

4EDBM6T & D (API pumps)

The double cartridge seal can be connected to all common API Plans, such as 01, 02, 11, 31, 32 + 52, 53 (A, B, C) and 23 + 52, 53 (A,...

4EDCB8S (MegaCPK)

4EDCB8S (MegaCPK)

The single cartridge seal is especially designed for use in the standardised installation spaces of the non-API pump MCPK (CPKN + CPK...

4EDCB8T & D (MegaCPK)

4EDCB8T & D (MegaCPK)

The double cartridge seal is especially designed for use in the standardised installation spaces of the non-API pump MCPK (can also be...

4EDTMP (RPH)

4EDTMP (RPH)

Single mechanical seal, specially developed for hot water applications, with hook sleeve and "thermal barrier".
The cooled pump cover...

4EDTR6HS & Q (API pumps)

4EDTR6HS & Q (API pumps)

The single metal-bellows seal can be connected to all common API Plans, such as 01, 02, 11, 31, 32 + 61 (62) and 23 + 61 (62). The...

4EDTR6HT & D (API pumps)

4EDTR6HT & D (API pumps)

The double metal-bellows seal can be connected to all common API Plans, such as 01, 02, 11, 31, 32 + 52, 53 (A, B, C) and 23 + 52, 53...

4ES (Etanorm R)

4ES (Etanorm R)

Single cartridge seal, bi-directional and balanced.
Stationary design, multiple springs located outside the fluid handled.
Tailored...

4ESD (Etanorm R)

4ESD (Etanorm R)

Double cartridge seal, bi-directional and balanced. Tailored to the seal installation space and pump requirements.
For increased...

4HDS (HDA/HDB)

4HDS (HDA/HDB)

The single mechanical seal can be fitted in the pump in different versions and arrangements, depending on the application.
Perfectly...

4HG (HGM-RO)

4HG (HGM-RO)

Single mechanical seal, bi-directional and balanced. The shaft protecting sleeve is integrated in the mechanical seal.
The materials...

4HL (HPK-L, Etanorm-RSY)

4HL (HPK-L, Etanorm-RSY)

Single mechanical seal, bi-directional and balanced. The shaft protecting sleeve is integrated in the mechanical seal.
The materials...

4HLQ (HPK-L, Etanorm-RSY)

4HLQ (HPK-L, Etanorm-RSY)

Combined with a single KSB 4HL mechanical seal this is an optimum sealing solution for demanding fluids.
The mechanical seal is used...

4K (KWP)

4K (KWP)

The single mechanical seal is perfectly suitable for fluids with a high solids content.
Stationary design, balanced, multiple springs...

4K Cartridge (KWP/REA)

4K Cartridge (KWP/REA)

Single cartridge seal, bi-directional and balanced. Suitable for fluids with a very high solids content.
Stationary design, multiple...

4KBL (KWP Bloc)

4KBL (KWP Bloc)

Single mechanical seal, bi-directional and balanced. Suitable for fluids with high solids content.
Multiple springs located outside...

4KD (KWP)

4KD (KWP)

Mechanical seal especially designed for operation atbarrier fluid pressure (in this case, a second, outboardseal is...

4KDC (KWP)

4KDC (KWP)

This double cartridge seal includes the shaft protecting sleeve for the pump and can be fitted without adjusting dimension.
The...

4KSBM6S (API pumps)

4KSBM6S (API pumps)

The single cartridge seal can be connected to all common API Plans, such as 01, 02, 11, 31, 32 + 51, 61 (62) and 23 + 51, 61 (62). The...

4KSBM6T & D (API pumps)

4KSBM6T & D (API pumps)

The double cartridge seal can be connected to all common API Plans, such as 01, 02, 11, 31, 32 + 52, 53 (A, B, C) and 23 + 52, 53 (A...

4KST (HPH)

4KST (HPH)

Especially designed for operating conditions with extremely high pressures and temperatures. The design is tailored to the cooled pump...

4KTM (KWP Bloc)

4KTM (KWP Bloc)

Special bi-directional single mechanical seal
for seawater applications. The pump's shaft sleeve is integrated in the mechanical...

4OM (Omega)

4OM (Omega)

Single mechanical seal, tailored to the pump requirements.
All of Omega’s applications are covered by one seal type.
Easy to install...

4RD (RDLO)

4RD (RDLO)

Dynamic type, multi-spring arrangement, bi-directional and balanced. Sturdy and practical seal design.
The primary ring is...

4RPQ (RPH)

4RPQ (RPH)

Single cartridge seal, bi-directional and balanced.
Stationary design, multiple springs located outside the fluid handled.
The design...

4RPS (RPH-RO)

4RPS (RPH-RO)

Single cartridge seal, bi-directional and balanced.
Stationary design, multiple springs located outside the fluid handled.
The design...

4STQ (Sewatec, Amarex KRT)

4STQ (Sewatec, Amarex KRT)

Double mechanical seal in tandem arrangement, can be installed as one unit.
Stationary design, springs located outside the fluid...

4Spider (UPA)

4Spider (UPA)

Single, balanced cartridge seal, bi-directional, tailored to the seal installation space of the submersible motor.
No adjusting...

4UM (UPA)

4UM (UPA)

Single, balanced cartridge seal, bi-directional, tailored to the seal installation space of the submersible motor.
No adjusting...

5A (EN 12756)

5A (EN 12756)

Universal use in pump type series with standardised seals to EN 12756, e.g. Multitec, MegaCPK and Etanorm.
The single seal features a...

5A-OM (Omega)

5A-OM (Omega)

The seal installation length is shorter than the standardised dimension l1K, making it particularly suitable for short installation...

5B (EN 12756)

5B (EN 12756)

Universal use in pump type series with standardised seals to EN 12756, e.g. Multitec, MegaCPK and Etanorm.
The single seal features a...

5HG-BM3 (HG)

5HG-BM3 (HG)

The single mechanical seal can be fitted in the pump in different versions and arrangements, depending on the application.
Available...

5KSCB2D (CPK, CPKN, MegaCPK)

5KSCB2D (CPK, CPKN, MegaCPK)

The double cartridge seal makes for easy installation without adjusting dimensions.
A positioning lug ensures optimum pre-loading of...

5KSCB2S (CPK, CPKN, MegaCPK)

5KSCB2S (CPK, CPKN, MegaCPK)

The single cartridge seal makes for easy installation without adjusting dimensions. Also available as single seal in quench design...

5KSCB2T (CPK, CPKN, MegaCPK)

5KSCB2T (CPK, CPKN, MegaCPK)

The single cartridge seal makes for easy installation without adjusting dimensions. Also available as single seal in quench design...

KTS52 (Plan 52, API 682)

KTS52 (Plan 52, API 682)

Tube-in-tube heat exchanger for cooling single and double mechanical seals.
The heat exchanger cools the fluid upstream of the...

KTS53A (Plan 53A, API 682)

KTS53A (Plan 53A, API 682)

Thermosyphon system compliant with all requirements of API 682, 4th edition*. Used for double mechanical seals (arrangement 3). The...

KTS53B (Plan 53B, API 682)

KTS53B (Plan 53B, API 682)

Closed pressurised barrier fluid system compliant with all requirements of API 682, 4th edition*. Used for double mechanical seals...

KWT23 (Plan 23, API 682)

KWT23 (Plan 23, API 682)

Heat exchanger compliant with all requirements of API 682, 3rd and 4th edition. For single or double mechanical seals (arrangements 1...

KWT51 (Plan 51)

KWT51 (Plan 51)

Quench system for supplying single mechanical seals in quench design or double mechanical seals in tandem arrangement...

RWT23 (Plan 23)

RWT23 (Plan 23)

Tube-in-tube heat exchanger for cooling single and double mechanical seals.
The heat exchanger cools the fluid upstream of the...

SDPN16 (Plan 52 & 53A)

SDPN16 (Plan 52 & 53A)

Thermosyphon system for use with pressurised barrier fluid or unpressurised buffer fluid (Plans 53A and 52). A cooling coil is...