Order call 0
Industrial pumps
Mechanical seals
Internal devices of columns and apparatuses
Else
Catalog

Mechanical seal R-21UK

Mechanical seal R-21UK

Mechanical mechanical seal R-21 UK (UK Standart) - single, with a strong central spring, arbitrary direction of rotation, unbalanced. The elastomeric bellows has the ability to compensate for the runout of the shaft, and thanks to the special design of the drive belt, the bellows itself does not overload and does not slip.

Application: water treatment, water supply, centrifugal pumps, compressors and other rotating equipment. Pumps of such brands: Desmi, Flowserve (SIHI), etc.

Type: John Crane 21, Burgmann MG921/D1-G50 seal, Flowserve 110 seal, Roten 21A, Sealol 43 CU Short, Vulcan 11, Aesseal P04/P04T, Sterling 212A, US Seal C, Lidering LRB01.

Temperature: -20°~145°

Pressure: ≤1.5 MPa

Speed: ≤13 m/sec

Materials:

  • Rotary ring: Carbon/SIC/TC;
  • Stationary ring: Ceramic/SIC/TC;
  • Bellows: NBR/EPDM/VITON;
  • Spring: SS304/SS316;
  • Metal parts: SS304/SS316.

Mechanical seal R-21UK

d1 d3 d7 L3 L4
10 20,50 24,60 25,40 8,74
12 22 ,50 27,79 25,40 8,74
14 26,50 30,95 25,40  
16 26,50 30,95 25,40 10,32
18 34,00 34,15 25,40 10,32
20 36,00 35,70 25,40 10,32
22 36,00 37,30 25,40 10,32
24 40,00 40,50 25,40 10,32
25 40,00 40,50 25,40 10,32
28 42,00 47,63 33,34 11,99
30 45,00 50,80 33,34 11,99
32 47,00 50,80 33,34 11,99
33 50,00 53,98 33,34 11,99
35 50,00 53,98 33,34 11,99
38 55,00 57,15 33,34 11,99
40 57,00 60,35 33,34 11,99
42 59,00 63,50 40,48 11,99
43 59,00 63,50 40,48 11,99
45 65,50 63,50 40,48 11,99
48 67,50 66,70 40,48 11,99
50 67,50 69,85 40,48 11,99
53 72,00 73,05 41,00 13,50
55 78,50 76,20 41,00 13,50
58 80,00 79,40 41,00 13,50
60 80,00 79,40 41,00 13,50
63 83,00 82,55 41,00 13,50
65 88,00 92,10 49,00 15,90
70 90,00 95,25 49,00 15,90
73 94,00 98,45 49,00 15,90
75 99,00 101,65 49,00 15,90

Mechanical seal R-21UK(Inch)

  d1 d3 d7 L3 L4
0.375 9,53 20,50 24,60 25,40 8,74
0.500 12,70 22,50 27,79 25,40 8,74
0.625 15,87 26,50 30,95 25,40 10,32
0.750 19,05 34,00 34,15 25,40 10,32
0.875 22,23 36,00 37,30 25,40 10,32
1.000 25,40 40,00 40,50 25,40 10,32
1.125 28,58 42,00 47,63 33,34 11,99
1.250 31,75 47,00 50,80 33,34 11,99
1.375 34,93 50,00 53,98 33,34 11,99
1.500 38,10 55,00 57,15 33,34 11,99
1.625 41,28 57,00 60,35 33,34 11,99
1.750 44,45 61,50 63,50 40,48 11,99
1.875 47,63 65,50 66,70 40,48 11,99
2.000 50,80 67,50 69,85 40,48 11,99
2.125 53,98 72,00 73,05 41,00 13,50
2.250 57,15 78,50 76,20 41,00 13,50
2.375 60,33 80,00 79,40 41,00 13,50
2.500 63,50 83,00 82,55 41,00 13,50
2.625 66,68 88,00 92,10 49,00 15,90
2.750 69,85 90,00 95,25 49,00 15,90
2.875 73,03 94,00 98,45 49,00 15,90
3.000 76,20 99,00 101,65 49,00 15,90
Stock availability
Price, $
Seal type
Shaft diameter
Rubber type
Stationary and rotating face
Material of metal part
Type of conta-ring
Application
Analogue for
Producer
Else
Selection by parameters
Load more
Catalog
Industrial pumps
Industrial pumps
Pumps by industry, purpose
Pumps by manufacturer
Mechanical seals
Mechanical seals
Internal devices of columns and apparatuses
Internal devices of columns and apparatuses
Selection by parameters
Stock availability
Price, $
Seal type
Shaft diameter
Show all
Rubber type
Stationary and rotating face
Material of metal part
Type of conta-ring
Application
Analogue for
Show all
Producer
Filter productsClear
Catalog
Industrial pumpsIndustrial pumps
Mechanical sealsMechanical seals
Else categories
0
Cart
$0
(empty)
Product in cart
Please select the language