Catalog
Else categories
- Home
- Mechanical sealsMechanical seals by typeMechanical seal for the pumpMechanical seals by brandShaft runout seal for agitators, hoppers and conveyorsRepair of mechanical seals, friction pairsManufacturing of cuffs, rings, oil sealsManufacturing of parts from silicon carbide, zirconium silicateInsulator bearing protection Bearing defender isolator
- Mechanical seals by brand
- Mechanical seal ROTEN
- ROTEN 21A mechanical seal
ROTEN 21A mechanical seal
Overview

The ROTEN 21A mechanical mechanical seal is a single seal that is used at temperatures from -20 to +180°C, with a pressure of up to 1.5 MPA and a rotation speed of up to 13 M/SEC.
It is used in Centrifugal, turbine pumps, compressors and other equipment of the Petroleum, Chemical, and food industries. It can be used in pumps: Goulds Pumps, Summit, SAER, Koshin, JL, JLM.
Analogs LIDERING LRB01, John Crane 21, Burgmann mg921 / D1-G55, AESSEAL P04, AESSEAL P04T, Vulcan 11, Flowserve 110, Hermetica M112K.5I, Sealol 43CU short, US SEAL C, BTS Engineering R-21UK.
Characteristics
Producer | ROTEN |
Pressure | 1.5 MPa |
Rotation velocity | 13 m/s |
Operating temperature | -20°C + 150°C |
Seal type | R-21UK |
Country of Origin | Italy |
Application | DESMI |
Analogue for | Hermetica M112K.5I, BTS R-21UK., AESSEAL P04, AESSEAL P04T, Burgmann MG921 / D1-G55, Flowserve 110, John Crane 21, LIDERING LRB01, Sealol 43CU short, US SEAL C, Vulcan 11 |
Logistics data: | |
Gross weight, kg | 0.25 |
Length of transport packing, cm | 8 |
Width of transport packing, cm | 8 |
Height of transport packing, cm | 10 |