M2N

M2, M2N4

• For plain shafts

• Single seal

• Unbalanced

• Conical spring rotating

• Dependent on direction of rotation

CARTEX-SN

CARTEX-SNO, CARTEX-QN, CARTEX-TN

• 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)

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

M3N

M3, M32, M37G

• For plain shafts

• Single seal

• Unbalanced

• Rotating conical spring

• Dependent on direction of rotation

CARTEX-DN

• 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)

MFL85N

MFL90N, MFL85P, MFL90P, MFL85F

• 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)

M7N

M7N4, M74, M7F, M74F, M7S2, M74S2, M78N

• 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)

MG1

MG12, MG13, MG1S20, RMG12, MG12S14

• For plain shafts

• Single and dual seal

• Elastomer bellows rotating

• Unbalanced

• Independent of direction of rotation

• No torsion on bellows

MFLWT

MFLWT90

• For unstepped shafts

• Single Seal

• Balanced

• Independent of direction of rotation

• Metal bellows rotating

LP-D

LP-D-S32-D20, LP-D-SL, LP-D-SA-D31H1/85-DE

• 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

MG9

MG921, MG912, MG920, MG913, MG901, MG910

• 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

EA560

• Single seal

• Loosely inserted seal face provides self-adjusting capability

• In-house manufactured sliding parts

MF95N

MF90N

• For unstepped shafts

• Rotating bellows

• Single Seal

• Balanced

• Independent of direction of rotation

• Roller bellows

H7N

H75, H76, H7F, H75F

• 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)

ED560

• Dual seal

• Good chemical resistance and ability to handle solids

• In-house manufactured sliding parts

EH700

• Single seal

• Stationary spring-loaded unit enables operation in high-range loads area

• Balanced

• In-house manufactured carbon seal faces

BT-AR

• Rubber bellows mechanical seal

• Unbalanced

• Single spring

• Independent of direction of rotation

• Short axial installation length

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)

BT-A2

• Rubber bellows mechanical seal

• Unbalanced

• Single spring

• Independent of direction of rotation

• Stationary design

HJ92N

HJ927GN, HJ97GN5, HJ977GN

• For unstepped shafts

• Single seal

• Balanced

• Independent of direction of rotation

• Encapsulated rotating spring

BT-PN

BT-PNL

• Rubber bellows mechanical seals

• Unbalanced

• Single spring

• Independent of direction of rotation

H12N

H12, H17GN, H17G

• For stepped shafts

• Single seal

• Balanced

• Dependent of direction of rotation

• Torque transmission via conical spring

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

H10

H8

• Single seal

• Balanced

• Independent of direction of rotation

• Stationary multiple springs