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Manufacturer of Alumina Ring - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng

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Manufacturer of Alumina Ring - 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:

Manufacturer of Alumina Ring - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng detail pictures

Manufacturer of Alumina Ring - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng detail pictures


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To create far more benefit for customers is our company philosophy; customer growing is our working chase for Manufacturer of Alumina Ring - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng, The product will supply to all over the world, such as: Barbados, New Zealand, Iran, We believe with our consistently excellent service you can get the best performance and cost least goods from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.
  • Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Ingrid from New Zealand - 2018.09.21 11:44
    Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By King from Angola - 2017.08.16 13:39

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