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+38 063 362-12-31
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+38 0362 67-17-70
+38 067 360-71-01
+38 067 520-36-17
+38 095 656-37-57
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+48 22 390-63-48
Germany:
+49 7352 625-99-82
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R-21

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12/24/36/48
In stock
Mechanical seal R-21 1, CAR/SIC, EPDM, 304Mechanical seal R-21 1, CAR/SIC, EPDM, 304
Mechanical seal R-21 1, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_1__CAR/SIC__EPDM__304
$45.99
Mechanical seal R-21 38, CAR/SIC, VITON, 304Mechanical seal R-21 38, CAR/SIC, VITON, 304
Mechanical seal R-21 38, CAR/SIC, VITON, 304Producer:BTS EngineeringShaft diameter:38Rubber type:VITONMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_38__CAR/SIC__VITON__304
$81.17
Mechanical seal R-21 1/2, CAR/SIC, EPDM, 304Mechanical seal R-21 1/2, CAR/SIC, EPDM, 304
Mechanical seal R-21 1/2, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1/2Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_1/2__CAR/SIC__EPDM__304
$22.98
Mechanical seal R-21 12, CAR/SIC, EPDM, 304Mechanical seal R-21 12, CAR/SIC, EPDM, 304
Mechanical seal R-21 12, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:12Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_12__CAR/SIC__EPDM__304
$21.65
Mechanical seal R-21 25, SIC/SIC, VITON, 304Mechanical seal R-21 25, SIC/SIC, VITON, 304
Mechanical seal R-21 25, SIC/SIC, VITON, 304Producer:BTS EngineeringShaft diameter:25Rubber type:VITONMaterial of metal part:304Stationary and rotating face:SIC/SIC
In stock
Code: 13665_25__SIC/SIC__VITON__304
$53.59
Mechanical seal R-21 22, CAR/SIC, EPDM, 304Mechanical seal R-21 22, CAR/SIC, EPDM, 304
Mechanical seal R-21 22, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:22Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_22__CAR/SIC__EPDM__304
$39.25
Mechanical seal R-21 35, CAR/SIC, EPDM, 304Mechanical seal R-21 35, CAR/SIC, EPDM, 304
Mechanical seal R-21 35, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:35Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_35__CAR/SIC__EPDM__304
$62.26
Mechanical seal R-21 5/8, CAR/SIC, EPDM, 304Mechanical seal R-21 5/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 5/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:5/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_5/8__CAR/SIC__EPDM__304
$28.46
Mechanical seal R-21 1.1/4, CAR/SIC, EPDM, 304Mechanical seal R-21 1.1/4, CAR/SIC, EPDM, 304
Mechanical seal R-21 1.1/4, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1.1/4Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_1.1/4__CAR/SIC__EPDM__304
$56.81
Mechanical seal R-21 25, CAR/SIC, EPDM, 304Mechanical seal R-21 25, CAR/SIC, EPDM, 304
Mechanical seal R-21 25, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:25Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_25__CAR/SIC__EPDM__304
$44.68
Mechanical seal R-21 1.5/8, CAR/SIC, VITON, 304Mechanical seal R-21 1.5/8, CAR/SIC, VITON, 304
Mechanical seal R-21 1.5/8, CAR/SIC, VITON, 304Producer:BTS EngineeringShaft diameter:1.5/8Rubber type:VITONMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_1.5/8__CAR/SIC__VITON__304
$142.06
Mechanical seal R-21 50, SIC/SIC, VITON, 304Mechanical seal R-21 50, SIC/SIC, VITON, 304
Mechanical seal R-21 50, SIC/SIC, VITON, 304Producer:BTS EngineeringShaft diameter:50Rubber type:VITONMaterial of metal part:304Stationary and rotating face:SIC/SIC
In stock
Code: 13665_50__SIC/SIC__VITON__304
$172.11
Mechanical seal R-21 45, CAR/SIC, EPDM, 304Mechanical seal R-21 45, CAR/SIC, EPDM, 304
Mechanical seal R-21 45, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:45Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_45__CAR/SIC__EPDM__304
$128.53
Mechanical seal R-21 1.3/8, CAR/SIC, EPDM, 304Mechanical seal R-21 1.3/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 1.3/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1.3/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_1.3/8__CAR/SIC__EPDM__304
$62.26
Mechanical seal R-21 50, CAR/SIC, EPDM, 304Mechanical seal R-21 50, CAR/SIC, EPDM, 304
Mechanical seal R-21 50, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:50Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
In stock
Code: 13665_50__CAR/SIC__EPDM__304
$143.44
Mechanical seal R-21 40, SIC/SIC, VITON, 304Mechanical seal R-21 40, SIC/SIC, VITON, 304
Mechanical seal R-21 40, SIC/SIC, VITON, 304Producer:BTS EngineeringShaft diameter:40Rubber type:VITONMaterial of metal part:304Stationary and rotating face:SIC/SIC
In stock
Code: 13665_40__SIC/SIC__VITON__304
$136.40
Mechanical seal R-21 3/4, CAR/SIC, EPDM, 304Mechanical seal R-21 3/4, CAR/SIC, EPDM, 304
Mechanical seal R-21 3/4, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:3/4Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_3/4__CAR/SIC__EPDM__304
$33.83
Mechanical seal R-21 7/8, CAR/SIC, EPDM, 304Mechanical seal R-21 7/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 7/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:7/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_7/8__CAR/SIC__EPDM__304
$39.25
Mechanical seal R-21 1.1/8, CAR/SIC, EPDM, 304Mechanical seal R-21 1.1/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 1.1/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1.1/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_1.1/8__CAR/SIC__EPDM__304
$51.43
Mechanical seal R-21 1.1/2, CAR/SIC, EPDM, 304Mechanical seal R-21 1.1/2, CAR/SIC, EPDM, 304
Mechanical seal R-21 1.1/2, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1.1/2Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_1.1/2__CAR/SIC__EPDM__304
$67.66
Mechanical seal R-21 1.5/8, CAR/SIC, EPDM, 304Mechanical seal R-21 1.5/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 1.5/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1.5/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_1.5/8__CAR/SIC__EPDM__304
$117.73
Mechanical seal R-21 1.3/4, CAR/SIC, EPDM, 304Mechanical seal R-21 1.3/4, CAR/SIC, EPDM, 304
Mechanical seal R-21 1.3/4, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1.3/4Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_1.3/4__CAR/SIC__EPDM__304
$127.15
Mechanical seal R-21 1.7/8, CAR/SIC, EPDM, 304Mechanical seal R-21 1.7/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 1.7/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:1.7/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_1.7/8__CAR/SIC__EPDM__304
$136.66
Mechanical seal R-21 2, CAR/SIC, EPDM, 304Mechanical seal R-21 2, CAR/SIC, EPDM, 304
Mechanical seal R-21 2, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:2Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_2__CAR/SIC__EPDM__304
$144.80
Mechanical seal R-21 2.1/2, CAR/SIC, EPDM, 304Mechanical seal R-21 2.1/2, CAR/SIC, EPDM, 304
Mechanical seal R-21 2.1/2, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:2.1/2Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_2.1/2__CAR/SIC__EPDM__304
$181.36
Mechanical seal R-21 2.1/4, CAR/SIC, EPDM, 304Mechanical seal R-21 2.1/4, CAR/SIC, EPDM, 304
Mechanical seal R-21 2.1/4, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:2.1/4Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_2.1/4__CAR/SIC__EPDM__304
$163.76
Mechanical seal R-21 2.1/8, CAR/SIC, EPDM, 304Mechanical seal R-21 2.1/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 2.1/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:2.1/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_2.1/8__CAR/SIC__EPDM__304
$154.24
Mechanical seal R-21 2.3/4, CAR/SIC, EPDM, 304Mechanical seal R-21 2.3/4, CAR/SIC, EPDM, 304
Mechanical seal R-21 2.3/4, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:2.3/4Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_2.3/4__CAR/SIC__EPDM__304
$200.27
Mechanical seal R-21 2.3/8, CAR/SIC, EPDM, 304Mechanical seal R-21 2.3/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 2.3/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:2.3/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_2.3/8__CAR/SIC__EPDM__304
$171.87
Mechanical seal R-21 2.5/8, CAR/SIC, EPDM, 304Mechanical seal R-21 2.5/8, CAR/SIC, EPDM, 304
Mechanical seal R-21 2.5/8, CAR/SIC, EPDM, 304Producer:BTS EngineeringShaft diameter:2.5/8Rubber type:EPDMMaterial of metal part:304Stationary and rotating face:CAR/SIC
Pre-order only
Code: 13665_2.5/8__CAR/SIC__EPDM__304
$190.78
R-21

Mechanical seal R-21

Temperature: -20°~145°

Pressure: ≤1.5MPa

Speed: ≤13m/s

materials

  1. Rotating Ring: Carbon/SIC/TC
  2. Fixed ring: Ceramic/SIC/TC
  3. Bellows: NBR / EPDM / VITON.
  4. Spring: SS304 / SS316.
  5. Metal parts: SS304 / SS316.

It is used in various pumps, compressors, mixers, mixers.

Mechanical seal analogue: John Crane Type 21.

R-21
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