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Mechanical seal for pump shaft R-21 2.5/8, CAR/SIC, EPDM, 304
$-8
Overview
Single mechanical seal R-21 is used at temperatures from -20 to + 150°C, with a pressure of up to 1.5 MPa and a rotation speed of up to 13m/sec. They are used in centrifugal pumps, turbine pumps, compressors, hot water pumps, mixers and other equipment in the oil, chemical and food industries. Analogue of mechanical seals: John Crane Type 21, Vulcan Type 11, 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, mm | 85,73 |
| Shaft diameter | 2.5/8" |
| Producer | BTS Engineering |
| Stationary and rotating face | CAR/SIC |
| Material of metal part | AISI 304 stainless steel |
| Rotation velocity | 15 m/s |
| Pressure | 1.5 MPa |
| Operating temperature | -20°C + 150°C |
| Seal type | R-21 |
| Rubber type | EPDM |
| Application | Baltimore Aircoil, DESMI, Goulds Pumps, Inoxpa, Koshin, LOWARA, Rovatti, Scott Motorpump, Summit, TONKAFLO |
| Analogue for | Hermetica M112K.5SP, AESSEL P04T, AESSEL P04, Burgmann MG921 / D1-G55, Flowserve 110, John Crane 21, LIDERING LRB01, Roten 21A, Sealol 43CU short, US SEAL C, Vulcan 11 |
| Gross weight, kg | 0.35 |
| Length of transport packing, cm | 8 |
| Width of transport packing, cm | 8 |
| Height of transport packing, cm | 6,5 |
How to properly measure a mechanical seal
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