Mechanical seals

M2N M2N
  • For plain shafts
  • Single seal
  • Unbalanced
  • Conical spring rotating
  • Dependent on direction of rotation
Cartex  Single seals Cartex
Single seals
  • Single seal
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Single seals without connections (-SNO), with flush (-SN) and with quench combined with lip seal (-QN) or throttle ring (-TN)
  • Additional variants available for ANSI pumps (e.g. -ABPN) and eccentric screw pumps (-Vario)
eMG1 eMG1
  • For plain shafts
  • Elastomer bellows rotating
  • Unbalanced
  • Independent of direction of rotation
  • Single and dual seal
MBS100 MBS100
  • For unstepped shafts
  • Rotating bellows
  • Single Seal
  • Balanced
  • Independent of direction of rotation
HR HR
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Multiple springs stationary
  • Seat rotating
  • Seat arranged directly behind the impeller
  • Spring protection sleeve
  • Variant with cylindrical spring and acc. EN 12756 (HRZ1) available
  • Variant as cartridge with/without guide sleeve for application with/without quench (HR2, HR3)
  • Dual seal as cartridge unit (HRKS-D) available
Splitex Splitex
  • Fully split single seal, 2 x 2 segments, pre-assembled
  • Semi-cartridge
  • Balanced
  • Stationary springs
  • Bi-directional
  • External pressurization
  • Built-in flushing connections
  • Installation and wear control
Cartex-GSDN Cartex-GSDN
  • Stationary springs
  • Rotating seat
  • Double seal
  • Balanced
  • Cartridge unit
  • Standard version with V-grooves,
    U-grooves optional (independent of direction of rotation)
  • Gas-lubricated, gas-buffered
  • Does not open in the event of buffer pressure failure, self closing at pressure reversal
SeccoMix SeccoMix
  • For top entry drives, on request side drive possible
  • Dry-running
  • Single and double seals
  • Balanced
  • Outboard
  • Multiple springs rotating
  • Independent of direction of rotation
AGSZ AGSZ
  • For top entry drives
  • Gas-lubricated
  • Double seal
  • Balanced
  • Independent of direction of rotation
ERB ERB
  • Cartridge
  • Double seal with integrated bearing
  • Unbalanced
  • Independent of direction of rotation
STD1 STD1 If a STD is employed, it is possible to change seals with the vessel loaded and under pressure (shaft must be stationary!). Installation dimensions according to DIN 28138 Part 1 are possible. Material properties have to be taken into account.
DGS DGS
  • Gas-lubricated
  • Uni-directional or bi-directional
  • Ready-to-fit cartridge unit
  • Single, double, tandem and tandem with intermediate labyrinth available
  • Separation seals as labyrinths, radial clearance seals or CobaSeal are optionally available
WRS WRS
  • Oil-lubricated
  • Bi-directional
  • Externally pressurized
  • Ready-to-fit cartridge unit
  • Single, face bushing and double seal available
  • Suitable for high speed
  • Hydrodynamic grooves for increased operating capabilities and stabilized low leakage
CSE CSE
  • Non-contact type separation seal
  • Gas-lubricated
  • Bi-directional
  • Ready-to-fit cartridge unit
  • Equipped with Espey carbon rings type WKA400
Type 4600 Type 4600 The water-lubricated stern tube seals type 4600 from EagleBurgmann are not alone an environment-friendly solution. They meet all technical requirements of modern sealing technology: modular design, convenient installation, little maintenance, no adjustments.
Type 4600 water-lubricated stern tube seals are virtually leak-free and are leaving no oil or grease residues in the waterway. And because they prevent getting water into the bilge, no elaborate actions are required for its disposal.
Please ask us for references.
M3N M3N
  • For plain shafts
  • Single seal
  • Unbalanced
  • Rotating conical spring
  • Dependent on direction of rotation
Cartex  Dual seals Cartex
Dual seals
  • Dual seal
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Double pressure balanced
  • Integrated pumping device
  • Variants available: for eccentric screw pumps (-Vario) and gas-lubricated version (-GSDN)
eMG eMG
  • For plain shafts
  • Elastomer bellows rotating
  • Unbalanced
  • Independent of direction of rotation
  • Single and dual seal
MFL85N MFL85N
  • For unstepped shafts
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Metal bellows rotating
HRC...N HRC...N
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
  • Spring protection sleeve
  • Variant for operation with pressureless quench available (HRC2000N)
  • Dual seal with and without pumping screw (HRC3300NF, HRC3300N) available
HGH201 HGH201
  • For plain shafts (HGH201)
  • Semi split single seal
  • Multiple springs rotating
  • Balanced
  • Independent of direction of rotation
  • Unsplit as original equipment (HGH200)
  • Cartridge available (based on HGH210)
  • Variant for stepped shafts available (HGH211)
  • Splitted seal parts: sliding faces and O-Rings
EM300 EM300
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
  • API682 arrangement 2 containment seal
AD510 / AD520 AD510 / AD520
  • Dry running
  • Single seal
  • Independent of direction of rotation
AGSR AGSR
  • For top, bottom and side entry drives
  • Gas-lubricated
  • Double seal
  • Balanced
  • Stationary springs on product side
  • Independent of direction of rotation
M481 M481
  • For top entry drives, type M481 to DIN
  • Single or double seals
  • Unbalanced
  • Independent of direction of rotation
  • Multiple springs rotating
  • Liquid-lubricated
  • Cartridge unit
PDGS PDGS
  • Gas-lubricated
  • Uni-directional or bi-directional
  • Elastomer-free
  • Ready-to-fit cartridge unit
  • Single, double, tandem seal and tandem with intermediate labyrinth available
  • Separation seals as labyrinths, radial clearance seals or CobaSeal are optionally available
EBU800 EBU800
  • Oil-lubricated
  • Double seal
  • Balanced
  • Bi-directional
  • Stationary bellows (process side)
  • Multiple springs (bearing side)
  • Shrink-fit seat
  • Double-pressure balanced
CSR CSR
  • Lift-off type separation seal
  • Gas-lubricated
  • Bi-directional
  • Ready-to-fit cartridge unit
Type 4600 Pneumostop Type 4600 Pneumostop The water-lubricated stern tube seals type 4600 from EagleBurgmann are not alone an environment-friendly solution. They meet all technical requirements of modern sealing technology: modular design, convenient installation, little maintenance, no adjustments. Applying a Pneumostop eliminates costly and time-consuming dry-docking. Maintenance and repairs can be performed with vessel afloat.
Type 4600 water-lubricated stern tube seals are virtually leak-free and are leaving no oil or grease residues in the waterway. And because they prevent getting water into the bilge, no elaborate actions are required for its disposal.
Please ask us for references.
M7N M7N
  • For plain shafts
  • Single seal
  • Unbalanced
  • Super-Sinus-spring or multiple springs rotating
  • Independent of direction of rotation
  • Variant with PTFE secondary seals for high chemical resistance (M78N)
Cartex ANSI  
Single seals Cartex ANSI
Single seals
  • Single seal
  • Available for standard (Cartex-ASPN) and big bore (Cartex-ABPN) seal chambers
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Single seals with flush (-ASPN, -ABPN) and with quench combined with lip seal (-ASQN, -ABQN) or throttle ring (-ASTN, -ABTN)
MG1 MG1
  • For plain shafts
  • Single and dual seal
  • Elastomer bellows rotating
  • Unbalanced
  • Independent of direction of rotation
  • No torsion on bellows
MFLWT MFLWT
  • For unstepped shafts
  • Single Seal
  • Balanced
  • Independent of direction of rotation
  • Metal bellows rotating
LP-D LP-D
  • Integrated seal for Sulzer A pumps
  • Dual seal, balanced
  • Semi cartridge unit
  • Independent of direction of rotation
  • Double pressure balanced
  • Internal barrier fluid circulation
  • Static springs on both sides
  • No dynamic O-Ring on shaft
  • Rugged design
  • Shrink-fitted seal faces
  • Seal faces have a large clearance to the shaft
  • Wear part cost minimized
  • Optimized design for Non-Flow use
CGSH-K CGSH-K
  • For stepped shafts
  • Balanced
  • Rotating spring
  • Single or double seal available
  • Standard version with U-grooves, V-grooves optional (dependent of direction of rotation)
  • Gas-lubricated
  • Does not open in the event of buffer pressure failure, self closing at pressure reversal
M461 M461
  • For top entry drives
  • For glass-lined vessels, acc. to DIN 28138 T2
  • Double seal, single seal on request
  • Unbalanced
  • Independent of direction of rotation
  • Multiple springs rotating
  • Cartridge unit
MDGS MDGS
  • Gas-lubricated
  • Bi-directional
  • Compact, radial design
  • Ready-to-fit cartridge unit, also available as a component seal
  • Single, double, tandem seal and tandem with intermediate labyrinth available
CobaSeal CobaSeal
  • Gas-lubricated
  • Bi-directional
  • Ready-to-fit cartridge unit
  • Self cleaning 3D gas grooves
  • Aerostatic and aerodynamic lift-off
Type 4604 Type 4604 The water-lubricated stern tube seals for closed systems Type 4604 from EagleBurgmann are not alone an environment-friendly solution. They meet all technical requirements of modern sealing technology: modular design, convenient installation, little maintenance, no adjustments.
Type 4604 water-lubricated stern tube seals are virtually leak-free and are leaving no oil or grease residues in the waterway. And because they prevent getting water into the bilge, no elaborate actions are required for its disposal. Please ask us for references.
M74-D M74-D
  • For plain shafts
  • Dual seal
  • Unbalanced
  • Rotating multiple springs
  • Independent of direction of rotation
  • Seal concept based on the M7 range
  • Variant with pumping screw available (M74F-D)
Cartex ANSI  Dual seals Cartex ANSI
Dual seals
  • Dual seal
  • Available for standard (Cartex-ASDN) and big bore (Cartex-ABDN) seal chambers
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Double pressure balanced
  • Integrated pumping device
MG9 MG9
  • For plain shafts
  • Single and dual seal
  • Elastomer bellows rotating
  • Unbalanced
  • Independent of direction of rotation
  • No torsion on bellows and spring
  • Conical or cylindrical spring
  • Metric and inch sizes available
  • Special seat dimensions available
  • US Patent No. 6.220.601
MFLCT MFLCT
  • For unstepped shafts
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Metal bellows rotating
LP-S LP-S
  • Integrated seal for Sulzer A pumps
  • Single + Plan 11 flush
  • Semi cartridge unit
  • Balanced
  • Independent of direction of rotation
  • Static springs
  • No dynamic O-Ring on shaft
  • Rugged design
  • Shrink-fitted seal faces
  • Seal faces have a large clearance to the shaft
  • Wear part cost minimized
GSO-DN GSO-DN
  • Seat rotating
  • Stationary springs
  • Double seal
  • Balanced
  • Standard version with V-grooves, U-grooves optional (independent of direction of rotation)
  • Gas-lubricated
MR-D MR-D
  • For top, lateral and bottom drives
  • Product side seat rotating
  • Unbalanced
  • Double seal
  • Independent of direction of rotation
  • Cartridge unit
TDGS TDGS
  • Gas-lubricated
  • Uni-directional or bi-directional
  • Elastomer-free, no dynamic O-ring
  • Ready-to-fit cartridge unit
  • Single seal available
HA211 HA211
  • Single seal
  • Unbalanced
  • Independent of direction of rotation
  • Positive torque transmission due to bayonet drive between seal head and drive collar
  • O-Ring groove for ventilation prevents solids build-up and enhances flexibility
MA290 / MA390 MA290 / MA390
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
  • Springs and pin located on the atmospheric side
EA560 EA560
  • Single seal
  • Loosely inserted seal face provides self-adjusting capability
  • In-house manufactured sliding parts
MF95N MF95N
  • For unstepped shafts
  • Rotating bellows
  • Single Seal
  • Balanced
  • Independent of direction of rotation
  • Roller bellows
SH(V) SH(V)
  • Cartridge design
  • Single seal
  • Balanced
  • Multiple springs
  • Stationary spring loaded unit
  • Shrink-fitted seal face
HRGS-D HRGS-D
  • Double seal
  • Balanced
  • Standard version with U-grooves (bi-directional)
  • Gas-lubricated
HS-D HS-D
  • For top drive entries
  • Multiple seals rotating
  • Unbalanced
  • Double seal
  • Independent of direction of rotation
  • Liquid-lubricated
  • Cartridge unit
NF941 NF941
  • Single seal with double seal function
  • Non-contacting from static to high speed condition
  • Balanced
  • Bi-directional
  • Stationary multiple springs
H7N H7N
  • For stepped shafts
  • Single seal
  • Balanced
  • Super-Sinus-spring or multiple springs rotating
  • Independent of direction of rotation
  • Integrated pumping device available (H7F, H75F)
  • Variant with seat cooling available (H75G115)
Mtex Single seals Mtex Single seals
  • Single seal
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Metal bellows
  • Single seal with quench and lip seal (-QN) or throttle ring (-TN)
  • Version available with multipoint injection ring (-QNM, -TNM)
  • Supply connections for flush (A) and quench (B)
ED560 ED560
  • Dual seal
  • Good chemical resistance and ability to handle solids
  • In-house manufactured sliding parts
MFL65 MFL65
  • Stationary bellows
  • Single Seal
  • Balanced
  • Independent of direction of rotation
SHF / SHP SHF / SHP
  • Cartridge design
  • Single seal
  • Balanced
  • Multiple springs
  • Dependent of direction of rotation
  • Integrated pumping device
  • Stationary spring loaded unit
  • Shrink-fitted seal face
HSH-D HSH-D
  • For top drive entries
  • Multiple springs rotating
  • Balanced
  • Double seal
  • Independent of direction of rotation
  • Liquid-lubricated
  • Cartridge unit
  • On request with integrated bearing
LB500 LB500
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Rotating multiple springs
Mtex Dual seals Mtex Dual seals
  • Double seal
  • Mtex-DN: API Plan 52 (53/54)
  • Mtex9-DN: API Plan 53/54
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Metal bellows
  • Stationary Springs
  • Pumping device independent of direction of rotation
EA100 EA100
  • Single seal
  • In-house manufactured carbon seal faces
  • Three different impeller connections available
YE400 YE400
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Stationary metal bellows
SHPV / SHFV SHPV / SHFV
  • Cartridge design
  • Single seal
  • Balanced
  • Dependent of direction of rotation
  • Integrated pumping device
  • Stationary spring loaded unit
  • Multiple springs
  • Shrink-fitted seal face
HSHLU-D HSHLU-D
  • For bottom drive entries
  • Multiple springs rotating
  • Balanced
  • Double seal
  • Independent of direction of rotation
  • Liquid-lubricated
  • Cartridge unit
  • On request with integrated bearing
EK700 EK700
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
eCartex  Single seals eCartex
Single seals
  • Single seal
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Single seals without connections (-SNO), with flush (-SN) and with quench combined with lip seal (-QN) or throttle ring (-TN)
  • Additional variants available for ANSI pumps (e.g. -ABPN) and eccentric screw pumps (-Vario)
EH700 EH700
  • Single seal
  • Stationary spring-loaded unit enables operation in high-range loads area
  • Balanced
  • In-house manufactured carbon seal faces
SAF(V) / SAP(V) SAF(V) / SAP(V)
  • Cartridge design
  • Single seal
  • Balanced
  • Dependent on direction of rotation
  • Integrated pumping device
  • Stationary spring loaded unit
  • Inserted seal face
  • Rotating carbon seat
Pulace Pulace
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
  • Springs and pins not in contact with the medium
eCartex  Dual seals eCartex
Dual seals
  • Dual seal
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Double pressure balanced
  • Integrated pumping device
  • Variants available: for eccentric screw pumps (-Vario) and gas-lubricated version (-GSDN)
BT-AR BT-AR
  • Rubber bellows mechanical seal
  • Unbalanced
  • Single spring
  • Independent of direction of rotation
  • Short axial installation length
SHF(V)-D / SHP(V)-D SHF(V)-D / SHP(V)-D
  • Cartridge design
  • Dual seal
  • Balanced
  • Integrated pumping device
  • Stationary spring loaded unit
  • Multiple springs arrangement
  • Shrink-fitted seal face
  • One rugged seat
HRN HRN
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Stationary springs
  • Dual seals in tandem as well as back-to-back arrangements (also in combination with H10 seal)
eCartex ANSI  Single seals eCartex ANSI
Single seals
  • Single seal
  • Available for standard (eCartex-ASPN) and big bore (eCartex-ABPN) seal chambers
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Single seals with flush (-ASPN, -ABPN) and with quench combined with lip seal (-ASQN, -ABQN) or throttle ring (-ASTN, -ABTN)
BT-A2 BT-A2
  • Rubber bellows mechanical seal
  • Unbalanced
  • Single spring
  • Independent of direction of rotation
  • Stationary design
DF-SA DiamondFace DF-SA DiamondFace
  • Cartridge design
  • Single seal
  • Balanced
  • Integrated pumping device
  • Stationary spring loaded unit
  • Inserted seal ring
  • Rotating mating ring
    (DiamondFace coated)
HJ92N HJ92N
  • For unstepped shafts
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Encapsulated rotating spring
eCartex ANSI  Dual seals eCartex ANSI
Dual seals
  • Dual seal
  • Available for standard (eCartex-ASDN) and big bore (eCartex-ABDN) seal chambers
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Double pressure balanced
  • Integrated pumping device
BT-PN BT-PN
  • Rubber bellows mechanical seals
  • Unbalanced
  • Single spring
  • Independent of direction of rotation
DF-(P)DGS6 
DiamondFace DF-(P)DGS6
DiamondFace
  • DiamondFace bonded primary seal faces
  • Safe cupped retainer for rotating ring
  • Fully operational in both liquid and gas phases
  • Bi-directional
  • Ready-to-fit cartridge unit
  • Single, double, tandem and tandem seal with intermediate labyrinth arrangement available
H3B H3B
  • Single Seal
  • Balanced
  • Independent of direction of rotation
Unitex Unitex
  • Single cartridge seal
  • Elastomer bellows
  • Unbalanced
  • Independent of direction of rotation
  • Rotating spring
  • Bellows and spring free from torsion
  • Metric and inch sizes available
AX5 AX5
  • Unbalanced
  • Independent on direction of rotation
H12N H12N
  • For stepped shafts
  • Single seal
  • Balanced
  • Dependent of direction of rotation
  • Torque transmission via conical spring
H10 / H8 H10 / H8
  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
H75VN H75VN
  • Single seal
  • Cartridge unit
  • Design acc. to API 682 / ISO 21049
  • Category 2 and 3, Type A, Arrangement 1
  • Independent of direction of rotation
  • Rotating multiple springs
  • Integrated pumping device available (H75VP)
H75VK H75VK
  • Dual seal
  • Cartridge unit
  • Design acc. to API 682 / ISO 21049
  • Category 2/3, Type A, Arrangement 2 or 3
  • Bi-directional design available
  • Rotating multiple springs
  • Integrated pumping device available
  • Suitable for pressure reversals
H74-D H74-D
  • For stepped shafts
  • Dual seal
  • Balanced
  • Rotating multiple springs
  • Independent of direction of rotation
  • Seal concept based on the H7 range
  • Variant with pumping screw available (H74F-D)
AX25 AX25
  • External configuration
  • Balanced
  • Independent of direction of rotation
  • Independent of pressure direction
AX25D AX25D
  • Dual seal
  • Balanced
  • Independent of direction of rotation
  • Independent of pressure direction
AX30 AX30
  • Unbalanced
  • Dependent on direction of rotation
  • Solid seats
AX40K AX40K
  • Stationary springs
  • Balanced
  • Independent of direction of rotation
  • Independent of pressure direction
eMG1 and eMG
eMG1 and eMG

The new generation of elastomer bellows seals for pumps. Learn more about our new eMG1 and eMG!

DiamondFace
DiamondFace

Our innovative DiamondFace technology is applicable in numerous industries. Find out more...

DF-(P)DGS6
DF-(P)DGS6

Learn more about our innovative & unbeatable mechanical seal DF-(P)DGS6

Find the right product

DF-SA
DF-SA

Learn more about our diamond-coated high-performance DF-SA seal

eCartex
eCartex

Learn more about our eCartex