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Cheapest Factory Corrosive Pump Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng

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We know that we only thrive if we can easily guarantee our combined cost competiveness and high-quality advantageous at the same time for Seal Up , Seal Ring , Pusher Type Mechanical Seal , Our company quickly grew in size and reputation because of its absolute dedication to high quality manufacturing, high value of products and excellent customer service.
Cheapest Factory Corrosive Pump Seal - 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:

Cheapest Factory Corrosive Pump Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng detail pictures

Cheapest Factory Corrosive Pump Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng detail pictures


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We constantly think and practice corresponding to the change of circumstance, and grow up. We aim at the achievement of a richer mind and body along with the living for Cheapest Factory Corrosive Pump Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng, The product will supply to all over the world, such as: Slovenia, Israel, Iceland, Our products are sold to the Middle East, Southeast Asia, Africa, Europe, America and other regions, and are favorably appraised by clients. To benefit from our strong OEM/ODM capabilities and considerate services, please contact us today. We will sincerely create and share success with all clients.
  • High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
    5 Stars By Agatha from Germany - 2018.12.10 19:03
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Andrew from Lyon - 2017.03.07 13:42

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