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Mechanical seal for shaft R-21UK 40 mm type VULCAN 11, JOHN CRANE 21, LIDERING LRB01, FLOWSERVE 110 in materials SIC/SIC, VITON, 304, N

$-8
Outer diameter of the fixed ring, mm60,35
Type of conta-ringN
Shaft diameter40
ProducerBTS Engineering
Stationary and rotating faceSIC/SIC
All specifications
Ukraine: Pre-order onlyPoland: Pre-order onlyGermany: Pre-order onlyItaly: Pre-order only
Vendor code: 1052933
Specify the price and terms of delivery with the manager

Estimated delivery date: 11.02.2026

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Overview

BTS Engineering
Mechanical seal R-21UK is a single seal used at temperatures from -20 to +180°C, with a pressure of up to 1.5 MPa and a speed of up to 13 m/s. It is used in centrifugal, turbine pumps, compressors and other equipment of the oil, chemical, food industries. It can be used in pumps: Goulds Pumps, Summit, SAER, Koshin, JL, JLM. Analogue of mechanical seals: John Crane Type 21 (UK Standard), AESSEAL P04 / P04T. Mechanical seal for pump Wilo, K, KM, X, AH, AHP, AH, Calpeda, DAB, Ebara, Grundfos, for pump KSB, Allweiler, SALMSON, ACD Cryo, Flygt, IMP Pumps, LOWARA, PENTAX, Foras, Fristam, for pump SPERONI, ZENIT, Inoxpa, JL, Johnson pump, KOLMEKS, Pedrollo, SAER, Vulcan, WQ, WQK, for pumps Tuchenhagen, ALFA LAVAL, Donjoy, Mission Magnum.

Characteristics

Outer diameter of the fixed ring, mm60,35
Type of conta-ringN
Shaft diameter40
ProducerBTS Engineering
Stationary and rotating faceSIC/SIC
Material of metal partAISI 304 stainless steel
Pressure1.5 MPa
Rotation velocity13 m/s
Operating temperature-20°C + 150°C
Seal typeR-21UK
Rubber typeVITON
ApplicationDESMI
Analogue forHermetica M112K.5I, AESSEAL P04, AESSEAL P04T, Burgmann MG921 / D1-G55, Flowserve 110, John Crane 21, LIDERING LRB01, Roten 21A, Sealol 43CU short, US SEAL C, Vulcan 11
Gross weight, kg0.2
Length of transport packing, cm6,5
Width of transport packing, cm6,5
Height of transport packing, cm6,5

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