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

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Cheapest Factory Corrosive Pump 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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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.

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