Rubber Material O Ring Mechanical Seals Burgmann M7N Water Pump Application
Burgmann M7N Easy Spare Parts Mechanical Seal O-Ring Mechanical Seals For Water Pump
Design Features
Internally mounted, single face, Super-Sinus spring. unbalanced structure and driven by brace ear and claw transmission, compact construction, any rotation direction, it can be mounted conveniently.
Conform to the standard of DIN24960, ISO3069, and GB6556.
O-ring pusher type seal.
The shape and installation size are identical to 58U and 59U.
Materials(to DIN24960)
- Stationary Ring: A/ B/ Q1/ Q2
- Rotary Ring: Sic / IA/ Q1/ Q2/ V1
- Auxiliary Seal: P/ E / V / M1
- Spring and Other Parts: F/ G
Operating limits
- Temperature: -40~200℃
- Pressure: ≤ 1.6MPa
- Speeds: ≤20m/sec
- Viscosity: ≤1.0Pa.s (1000cp)(Solt VS Hard)
≤3.5Pa.s (3500cp)(Solt VS Hard)
Applications
Used in all types of rotating equipment, pumps, mixers, agitators, and compressors. To suit industries such as general chemical, oil refining, petrochemical, pharmaceutical, food processing, pulp and paper, and wastewater treatment.
Medium
Oil, water, salt, noncrystalline agent, organic solvents, and other weak corrosive fluid.
Size Information
| Model | d1 | d3 | D6 | D7 | d8 | D11 | D12 | L1k | L3 | L5 | L6 | L7 | L9 | L11 | L12 | L13 | L14 | L15 | L16 | L28 |
| 14 | 14 | 25 | 21 | 25 | 3 | 20.5 | 24.6 | 35.0 | 35.0 | 1.5 | 4 | 8.5 | 10.0 | 10.0 | 6.5 | 7.6 | 5.6 | 1.2 | 3.8 | 6.6 |
| 16 | 16 | 27 | 23 | 27 | 3 | 22.0 | 28.0 | 35.0 | 35.0 | 1.5 | 4 | 8.5 | 10.0 | 11.5 | 8.5 | 9.0 | 7.5 | 1.2 | 3.8 | 6.6 |
| 18 | 18 | 33 | 27 | 33 | 3 | 24.0 | 30.0 | 26.0 | 26.0 | 2.0 | 5 | 9.0 | 11.5 | 12.5 | 9.0 | 10.0 | 8.0 | 1.5 | 5.0 | 7.5 |
| 20 | 20 | 35 | 29 | 35 | 3 | 29.5 | 35.0 | 26.0 | 26.0 | 2.0 | 5 | 9.0 | 11.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 |
| 22 | 22 | 37 | 31 | 37 | 3 | 29.5 | 35.0 | 26.0 | 26.0 | 2.0 | 5 | 9.0 | 11.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 |
| 24 | 24 | 39 | 33 | 39 | 3 | 32.0 | 38.0 | 28.5 | 28.5 | 2.0 | 5 | 9.0 | 11.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 |
| 25 | 25 | 40 | 34 | 40 | 3 | 32.0 | 38.0 | 28.5 | 28.5 | 2.0 | 5 | 9.0 | 11.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 |
| 28 | 28 | 43 | 37 | 43 | 3 | 36.0 | 42.0 | 31.0 | 31.0 | 2.0 | 5 | 9.0 | 11.5 | 14.0 | 10.0 | 11.0 | 9.0 | 1.5 | 5.0 | 7.5 |
| 30 | 30 | 45 | 39 | 45 | 3 | 39.2 | 45.0 | 31.0 | 31.0 | 2.0 | 5 | 9.0 | 11.5 | 14.0 | 11.5 | 11.0 | 10.5 | 1.5 | 5.0 | 7.5 |
| 32 | 32 | 47 | 42 | 48 | 3 | 42.2 | 48.0 | 31.0 | 31.0 | 2.0 | 5 | 9.0 | 11.5 | 14.0 | 11.5 | 11.0 | 10.5 | 1.5 | 5.0 | 7.5 |
| 33 | 33 | 48 | 42 | 48 | 3 | 44.2 | 50.0 | 31.0 | 31.0 | 2.0 | 5 | 9.0 | 11.5 | 14.5 | 12.0 | 11.5 | 10.5 | 1.5 | 5.0 | 7.5 |
| 35 | 35 | 50 | 44 | 50 | 3 | 46.2 | 52.0 | 31.0 | 31.0 | 2.0 | 5 | 9.0 | 11.5 | 14.5 | 12.0 | 11.5 | 11.0 | 1.5 | 5.0 | 7.5 |
| 38 | 38 | 55 | 49 | 56 | 4 | 49.2 | 55.0 | 31.0 | 31.0 | 2.0 | 6 | 9.0 | 14.0 | 14.5 | 11.3 | 11.5 | 10.3 | 1.5 | 5.0 | 9.0 |
| 40 | 40 | 57 | 51 | 58 | 4 | 52.2 | 58.0 | 31.0 | 31.0 | 2.0 | 6 | 9.0 | 14.0 | 14.5 | 11.8 | 11.5 | 10.8 | 1.5 | 5.0 | 9.0 |
| 43 | 43 | 60 | 54 | 61 | 4 | 53.3 | 62.0 | 31.0 | 31.0 | 2.0 | 6 | 9.0 | 14.0 | 17.0 | 13.2 | 14.3 | 12.0 | 2.0 | 6.0 | 9.0 |
| 45 | 45 | 62 | 56 | 63 | 4 | 55.3 | 64.0 | 31.0 | 31.0 | 2.0 | 6 | 9.0 | 14.0 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 9.0 |
| 48 | 48 | 65 | 59 | 66 | 4 | 59.7 | 68.4 | 31.0 | 31.0 | 2.0 | 6 | 9.0 | 14.0 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 9.0 |
| 50 | 50 | 67 | 62 | 70 | 4 | 60.8 | 69.3 | 32.5 | 32.5 | 2.5 | 6 | 9.0 | 15.0 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 9.5 |
| 53 | 53 | 70 | 65 | 73 | 4 | 63.8 | 72.3 | 32.5 | 32.5 | 2.5 | 6 | 9.0 | 15.0 | 17.0 | 13.5 | 14.3 | 12.3 | 2.0 | 6.0 | 11.0 |
| 55 | 55 | 72 | 67 | 75 | 4 | 66.5 | 75.4 | 32.5 | 32.5 | 2.5 | 6 | 9.0 | 15.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 |
| 58 | 58 | 79 | 70 | 78 | 4 | 69.5 | 78.4 | 37.5 | 37.5 | 2.5 | 6 | 9.0 | 15.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 |
| 60 | 60 | 81 | 72 | 80 | 4 | 71.5 | 80.4 | 37.5 | 37.5 | 2.5 | 6 | 9.0 | 15.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 |
| 63 | 63 | 84 | 75 | 83 | 4 | 74.5 | 83.4 | 37.5 | 37.5 | 2.5 | 6 | 9.0 | 15.0 | 18.0 | 14.2 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 |
| 65 | 65 | 86 | 77 | 85 | 4 | 76.5 | 85.4 | 37.5 | 37.5 | 2.5 | 6 | 9.0 | 15.0 | 18.0 | 14.2 | 15.3 | 13.0 | 2.0 | 6.0 | 11.0 |
| 68 | 68 | 89 | 81 | 90 | 4 | 82.7 | 91.5 | 34.5 | 34.5 | 2.5 | 7 | 9.0 | 18.0 | 19.0 | 14.9 | 16.0 | 13.7 | 2.0 | 6.0 | 11.3 |
| 70 | 70 | 91 | 83 | 92 | 4 | 83.0 | 92.0 | 42.0 | 42.0 | 2.5 | 7 | 9.0 | 18.0 | 18.0 | 14.2 | 15.3 | 13.0 | 2.0 | 6.0 | 11.3 |
| 75 | 75 | 99 | 88 | 97 | 4 | 90.2 | 99.0 | 42.0 | 42.0 | 2.5 | 7 | 9.0 | 18.0 | 18.0 | 15.2 | 15.3 | 14.0 | 2.0 | 6.0 | 11.3 |
| 80 | 80 | 104 | 95 | 105 | 4 | 95.2 | 104.0 | 41.8 | 41.8 | 3.0 | 7 | 9.0 | 18.2 | 19.0 | 16.2 | 16.3 | 15.0 | 2.0 | 6.0 | 12.0 |
| 85 | 85 | 109 | 100 | 110 | 4 | 100.2 | 109.0 | 60.0 | 60.0 | 3.0 | 7 | 9.0 | 18.2 | 19.0 | 16.0 | 16.3 | 14.8 | 2.0 | 6.0 | 14.0 |
| 90 | 90 | 114 | 105 | 115 | 4 | 105.2 | 114.0 | 65.0 | 65.0 | 3.0 | 7 | 9.0 | 18.2 | 19.0 | 16.0 | 16.3 | 14.8 | 2.0 | 6.0 | 14.0 |
| 95 | 95 | 119 | 110 | 120 | 4 | 111.6 | 120.3 | 65.0 | 65.0 | 3.0 | 7 | 9.0 | 17.2 | 20.0 | 17.0 | 17.3 | 15.8 | 2.0 | 6.0 | 14.0 |
| 100 | 100 | 124 | 115 | 125 | 4 | 114.5 | 123.3 | 65.0 | 65.0 | 3.0 | 7 | 9.0 | 17.2 | 20.0 | 17.0 | 17.3 | 15.8 | 2.0 | 6.0 | 14.0 |
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Guarantee:
Guarantee for one year from shipped on board date. During the guarantee period, our company will provide free easy-damaged spare parts for problems caused by our quality of production or raw material, except the damageable spare parts caused by the customer's incorrect artificial operation. In addition, after expiration, our company provides cost spare parts for maintenance.
Our service:
1. Directly factory sale
2. Quick response to 2-8hours, response rates over 92%
3. 24 hours phone call is available, feel free to contact us.
4. All goods produced by ourselves, we provide one-stop services from designing, printing to processing. Customers can provide the design according to your request and samples making, also we can advise how to make the products according to customers' target prices.
FAQ:
1. Q: What’s the MOQ?
A: We accept one piece.
2. Q: Are you a factory or trading company?
A: We are a manufacturer.
3. Q: Can you accept using our logo?
A: Yes, we can do OEM for you.
4. Q: What’s the warranty period?
A: 1 year.
5. Q: What are the terms of payment?
A: T/T. 30% deposit and 70% against the BL copy or 100% LC at sight.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.