Product Details:
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Stainless Steel Material: | SS304.SS316 | Model No: | 551 |
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Standard Or Nonstand: | Standard | Quality Control: | 100% Control |
Leadtime: | In Stock | Package: | Standard Export Package |
Oem Service: | Available | Origin: | Guangzhou, China |
Export Area: | All Over The World | Traemark: | YUEMI |
Style: | Customizable |
Mediums: oil, water, weak acid, alkali, and organic solvents.
Customization: Changes of materials for getting other operating parameters are possible. Contact us with your requirements
Size d(mm) | d3 | BT | G4 | G9 | G6 | |||||||||
d7 | l1 | l3 | d7 | l1 | l3 | d7 | d8 | l1 | l3 | d7 | l1 | l3 | ||
8 | 18 | 17.1 | 15 | 5.5 | 19.2 | 11.9 | 7.0 | |||||||
10 | 19 | 18.1 | 15 | 5.5 | 19.2 | 15.5 | 6.6 | 21 | 3 | 15.5 | 10 | 21 | 15.5 | 6.6 |
11 | 20 | 20.6 | 18 | 5.5 | ||||||||||
12 | 21 | 20.6 | 18 | 5.5 | 21.6 | 16.0 | 5.6 | 23 | 3 | 16.0 | 10 | 23 | 16.0 | 6.6 |
13 | 22 | 23.0 | 22 | 6.0 | ||||||||||
14 | 23 | 23.1 | 22 | 6.0 | 24.6 | 16.5 | 5.6 | 25 | 3 | 16.5 | 10 | 25 | 16.5 | 6.6 |
15 | 24 | 26.9 | 22 | 7.0 | 24.6 | 18.0 | 6.6 | |||||||
16 | 26 | 26.9 | 23 | 7.0 | 28.0 | 18.0 | 7.5 | 27 | 3 | 18.0 | 10 | 27 | 18.0 | 6.6 |
17 | 26 | 26.9 | 23 | 7.0 | ||||||||||
18 | 29 | 30.9 | 24 | 8.0 | 30.0 | 19.5 | 8.0 | 33 | 3 | 19.5 | 11.5 | 33 | 19.5 | 7.5 |
19 | 31 | 30.9 | 25 | 8.0 | 35.0 | 22.0 | 7.5 | |||||||
20 | 31 | 30.9 | 25 | 8.0 | 35.0 | 22.0 | 7.5 | 35 | 3 | 22.0 | 11.5 | 35 | 22.0 | 7.5 |
22 | 33 | 35.4 | 25 | 8.0 | 35.0 | 21.5 | 7.5 | 37 | 3 | 21.5 | 11.5 | 37 | 21.5 | 7.5 |
23 | 36 | 35.4 | 27 | 8.0 | ||||||||||
24 | 35 | 35.4 | 27 | 8.0 | 38.0 | 23.5 | 7.5 | 39 | 3 | 23.5 | 11.5 | 39 | 23.5 | 7.5 |
25 | 36 | 38.2 | 27 | 8.5 | 38.0 | 26.5 | 7.5 | 40 | 3 | 26.5 | 11.5 | 40 | 26.5 | 7.5 |
26 | 37 | 38.2 | 27 | 8.5 | 40.0 | 26.5 | 8.0 | |||||||
28 | 40 | 43.3 | 29 | 9.0 | 42.0 | 26.5 | 9.0 | 43 | 3 | 26.5 | 11.5 | 43 | 26.5 | 7.5 |
30 | 43 | 43.3 | 30 | 9.0 | 45.0 | 26.5 | 10.5 | 45 | 3 | 26.5 | 11.5 | 45 | 26.5 | 7.5 |
32 | 46 | 43.3 | 30 | 9.0 | 48.0 | 28.5 | 10.5 | 48 | 3 | 28.5 | 11.5 | 48 | 28.5 | 7.5 |
33 | 47 | 53.5 | 39 | 11.5 | 28.5 | 28.5 | ||||||||
34 | 48 | 53.5 | 39 | 11.5 | ||||||||||
35 | 49 | 53.5 | 39 | 11.5 | 52.0 | 28.5 | 11 | 50 | 3 | 28.5 | 11.5 | 50 | 28.5 | 7.5 |
36 | 50 | 53.5 | 39 | 11.5 | ||||||||||
38 | 53 | 60.5 | 39 | 11.5 | 55.0 | 33.5 | 10.3 | 56 | 4 | 33.5 | 14.0 | 56 | 33.5 | 9.0 |
40 | 56 | 60.5 | 39 | 11.5 | 58.0 | 36.0 | 10.8 | 58 | 4 | 36 | 14.0 | 58 | 36.0 | 9.0 |
42 | 59 | 60.5 | 39 | 11.5 | 62.0 | 38.5 | 12.0 | |||||||
43 | 59 | 60.5 | 39 | 11.5 | 62.0 | 38.5 | 12.0 | 61 | 4 | 38.5 | 14.0 | 61 | 38.5 | 9.0 |
44 | 60 | 65.5 | 41 | 11.5 | ||||||||||
45 | 61 | 65.5 | 41 | 11.5 | 64.0 | 39.5 | 11.6 | 63 | 4 | 39.5 | 14.0 | 63 | 39.5 | 9.0 |
48 | 64 | 65.5 | 41 | 11.5 | 68.4 | 46.0 | 11.6 | 66 | 4 | 46.0 | 14.0 | 66 | 46.0 | 9.0 |
50 | 66 | 72.5 | 45 | 11.5 | 69.3 | 45.0 | 11.6 | 70 | 4 | 45.0 | 15.0 | 70 | 45.0 | 9.5 |
53 | 69 | 73 | 4 | 47.0 | 15.0 | 70 | 47.0 | 9.5 | ||||||
55 | 71 | 72.5 | 47 | 11.5 | 75.4 | 49.0 | 13.3 | 75 | 4 | 49.0 | 15.0 | 75 | 49.0 | 11.0 |
58 | 76 | 78.4 | 55.0 | 13.3 | 78 | 4 | 55.0 | 15.0 | 78 | 55.0 | 11.0 | |||
60 | 78 | 79.3 | 49 | 11.5 | 80.4 | 55.0 | 13.3 | 80 | 4 | 55.0 | 15.0 | 80 | 55.0 | 11.0 |
63 | 83 | 83 | 4 | 55.0 | 15.0 | 83 | 55.0 | 11.0 | ||||||
65 | 84 | 84.5 | 51 | 11.5 | 85.4 | 55.0 | 13.0 | 85 | 4 | 55.0 | 15.0 | 85 | 55.0 | 11.0 |
68 | 88 | 91.5 | 55.0 | 13.7 | 90 | 4 | 55.0 | 18.0 | 90 | 55.0 | 11.3 | |||
70 | 90 | 89.5 | 51 | 11.5 | 92.0 | 57.0 | 13.0 | 92 | 4 | 57.0 | 18.0 | 92 | 57.0 | 11.3 |
75 | 98 | 94.5 | 57 | 11.5 | 99.0 | 62.0 | 14.0 | 97 | 4 | 62.0 | 18.0 | 97 | 62.0 | 11.3 |
80 | 100 | 99.5 | 59 | 11.5 | 104.0 | 61.8 | 15.0 | 105 | 4 | 61.8 | 18.2 | 105 | 61.8 | 12.0 |
Basic Features
Structure: Single End
Pressure: Low Pressure Mechanical Seals
Speed: General Speed Mechanical Seal
Temperature: General Temperature Mechanical Seal
Performance: Wear
Standard: DIN24960, ISO3069, GB6556
Model NO.: 551, 551A, BT-RN
Balance: Unbalanced
Specification: Inner Diameter: 10 mm to 55 mm
Product Detailed Description
BESTSEAL Type 551 551A Single Coil Spring Mechanical Seal for Water Pumps, Temperature Control Pumps, Vacuum Pumps and Heat-exchange Oil Pumps
Structural Features: single end, unbalanced, conical spring, dependent direction of rotation, spring transmission. This seal component has a simple structure, high compatibility and stable performance with great spring compensation.
Industrial Standards: DIN24960, ISO3069, GB6556
Scopes of Application: widely used in water pumps, temperature control pumps, vacuum pumps and heat-exchange oil pumps. Mainly used in leathering, waste water treatment, plastic, and food machinery industry. This product can be an alternative to similar products such as John Crane Type 551 or EagleBrgmann BT-RN.
Contact Person: ZENG
Tel: +8617620005542