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2021 wholesale price Mechanical Seals Manufacturers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng

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Good quality comes initial; company is foremost; small business is cooperation" is our business philosophy which is frequently observed and pursued by our business for Ptfe Sealing Ring , Multi Spring Mechanical Seal , Seal Gasket , We guaranteed high quality, if clients were not satisfied with the products' quality, you can return inside 7days with their original states.
2021 wholesale price Mechanical Seals Manufacturers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng Detail:

Description

Description:
687  Mechanical Seal
For big compressors and industrial pumps
Replacing the mechanical seal of John Crane 680

Operational Conditions:
Temperature: -75℃ to +200℃
Pressure: ≤2.0MPa
Speed: ≤23m/s

Materials:
Stationary Ring:TC, Silicon Carbide
Rotary Ring:Carbon ,Silicon Carbide,TC
Secondary Seal:NBR,EPDM,Viton
Bellows:Steel
Spring and Metal Parts:Steel

Applications:
Oil, light hydrocarbon, 
aromatic Hydrocarbon, 
organic solvents,
week acids, ammonia

Feature

133a7b73

d(inch) D3 L1
0.750  1.312 1.250
0.875  1.437 1.250
0.937  1.500 1.250
1.000  1.562 1.250
1.125  1.687 1.250
1.250  1.812 1.312
1.375  1.937 1.437
1.500  2.063 1.437
1.625  2.187 1.437
1.750  2.312 1.437
1.875  2.437 1.500
2.000  2.562 1.500
2.125  2.687 1.500
2.250  2.812 1.562
2.375  2.937 1.562
2.500  3.187 1.562
2.625  3.312 1.625
2.750  3.437 1.625
2.875  3.625 1.687
3.000  3.750 1.687
3.125  3.875 1.750
3.250  4.000 1.750
3.375  4.125 1.750
3.500  4.250 1.875
3.625  4.375 1.875
3.750  4.500 1.875
3.880  4.625 1.875
4.000  4.750 1.875

 

 

d(mm) D3 L1
18 32 27.7
20 33.3 27.7
22 36 27.7
24 38.1 30.2
25 39 30.2
28 42 32.7
30 44 32.7
32 46 32.7
33 47 32.7
35 49.2 32.7
38 52.4 34.2
40 55.6 34.2
43 58.7 34.2
45 58.7 34.2
48 61.9 34.2
50 65.1 34.7
53 68.3 34.7
55 71 34.7
60 74.6 39.7
65 84.1 39.7
70 87.3 45.2
75 95.3 45.2
80 98.4 44.7
85 104.8 44.7
90 108 49.7
95 114.3 49.7

 

车间1 车间2

车间3


Product detail pictures:

2021 wholesale price Mechanical Seals Manufacturers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng detail pictures

2021 wholesale price Mechanical Seals Manufacturers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng detail pictures


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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for 2021 wholesale price Mechanical Seals Manufacturers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng, The product will supply to all over the world, such as: Greece, Vancouver, Angola, Our main objectives are to provide our customers worldwide with good quality, competitive price, satisfied delivery and excellent services. Customer satisfaction is our main goal. We welcome you to visit our showroom and office. We are looking forward to establish business relation with you.
  • It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Ethan McPherson from Luxemburg - 2017.06.29 18:55
    We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Lena from Japan - 2018.05.15 10:52

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