Wholesale Price Flowserve Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng

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Wholesale Price Flowserve Seal - 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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Always customer-oriented, and it's our ultimate target to be not only the most reliable, trustable and honest supplier, but also the partner for our customers for Wholesale Price Flowserve Seal - 687 Metal Bellow Mechanical Seal for John Crane 680 – Xindeng, The product will supply to all over the world, such as: Pretoria, Madras, Georgia, "Make the women more attractive "is our sales philosophy. "Being customers' trusted and preferred brand supplier" is the goal of our company. We've been strict with every part of our work. We sincerely welcome friends to negotiate business and start cooperation. We hope to join hands with friends in different industries to create a brilliant future.

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