Professional China Water Pump Mechanical Seal Suppliers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng

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Professional China Water Pump Mechanical Seal Suppliers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng Detail:

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

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

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We persistently execute our spirit of ''Innovation bringing growth, Highly-quality making sure subsistence, Administration marketing reward, Credit history attracting clients for Professional China Water Pump Mechanical Seal Suppliers - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng, The product will supply to all over the world, such as: Indonesia, Austria, Nepal, Each product is carefully made, it will make you satisfied. Our merchandise in the production process have got strictly monitored, because it is only to supply you the best quality, we'll feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.

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