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Product Details:
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| Standard Or Nonstand: | Standard | Face Material: | Carbon, Sic, Tc |
|---|---|---|---|
| Operating Temperature: | -20～180℃ | Replacement: | Burgma Pumps Series Pump |
| Seal Type: | Stationary, Rotating | Replacement To: | M7N Seal |
| Package: | Standard Export Package | Oem: | Supper |
| Highlight: | Burgma Pool Water Pump Mechanical Seals,Industrial Pool Water Pump Mechanical Seals,M7N Wave Spring Mechanical Seals |
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Advantages mechanical seal M7N.
Universal application opportunities.
Efficient stock keeping due to easily interchangeable faces.
Extended selection of materials.
Insensitive to low solids contents.
Flexibility in torque transmissions. Self cleaning effect.
| Parameter Category | Specifications | Reference |
|---|---|---|
| Model | M7N (Single-End Non-Balanced Design, Compliant with EN12756/DIN24960 Standard) | |
| Shaft Diameter Range | 14-200 mm (Customizable for Non-Standard Sizes) | |
| Operating Temperature | -50°C to 220°C (Material-Dependent: FKM/NBR/EPDM for Auxiliary Seals) | |
| Pressure Limit | ≤2.5 MPa (Standard); ≤6 MPa for Balanced Variants (H7N/H75/H76 Series) | |
| Seal Face Materials | Silicon Carbide (SiC), Tungsten Carbide (WC), Alumina Ceramic (AlO), Graphite | |
| Auxiliary Seal Materials | NBR, FKM, EPDM, Silicone Rubber, PTFE | |
| Compatible Media | Water, Oil, Weakly Corrosive Liquids (Requires Flushing System for Particulates) | |
| Speed Limit | ≤20 m/s (Axial/Circumferential) | |
| Key Design Features | - Single-End, Non-Balanced Design - Multi-Spring or Bellows Compensation - Universal Rotation Direction |
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| Installation Requirements | - Radial Shaft Runout ≤0.04 mm - Axial Movement ≤0.5 mm (Shaft Diameter ≤25 mm) - Clean Sealing Chamber |
Operational Conditions
| Temperature | -30ºC to 200ºC, dependent on the elastomer |
| Pressure | Up to 16 bar |
| Speed | Up to 20 m/s |
| End play/axial float allowance | ±0.1mm |
| Size | 14mm to 100mm |
| Brand | YUEMI |
| Face | Carbon, SiC, TC |
| Seat | Carbon, SiC, TC |
| Elastomer | NBR, EPDM, VITON |
| Spring | SS304, SS316 |
| Metal parts | SS304, SS316 |
| Size/ | Code | D1 | D2 | D3 | L1 | L2 | L |
| Metric | |||||||
| 14 | 140 | 25 | 21 | 24 | 25 | 10 | 35 |
| 16 | 160 | 27 | 23 | 26 | 25 | 10 | 35 |
| 18 | 180 | 33 | 27 | 32 | 26 | 11.5 | 37.5 |
| 20 | 200 | 35 | 29 | 34 | 26 | 11.5 | 37.5 |
| 22 | 240 | 37 | 31 | 36 | 26 | 11.5 | 37.5 |
| 24 | 250 | 39 | 33 | 38 | 28.5 | 11.5 | 40 |
| 25 | 280 | 40 | 34 | 39 | 28.5 | 11.5 | 40 |
| 28 | 300 | 43 | 37 | 42 | 31 | 11.5 | 42.5 |
| 30 | 320 | 45 | 39 | 44 | 31 | 11.5 | 42.5 |
| 32 | 330 | 48 | 42 | 46 | 31 | 11.5 | 42.5 |
| 33 | 350 | 48 | 42 | 47 | 31 | 11.5 | 42.5 |
| 35 | 380 | 50 | 44 | 49 | 31 | 11.5 | 42.5 |
| 38 | 400 | 56 | 49 | 54 | 31 | 11.5 | 45 |
| 40 | 430 | 58 | 51 | 56 | 31 | 14 | 45 |
| 43 | 450 | 61 | 54 | 59 | 31 | 14 | 45 |
| 45 | 480 | 63 | 56 | 61 | 31 | 14 | 45 |
| 48 | 600 | 66 | 59 | 64 | 31 | 14 | 45 |
| 50 | 500 | 70 | 62 | 66 | 32.5 | 14 | 47.5 |
| 53 | 530 | 73 | 65 | 69 | 32.5 | 15 | 47.5 |
| 55 | 550 | 75 | 67 | 71 | 32.5 | 15 | 47.5 |
| 58 | 580 | 78 | 70 | 78 | 37.5 | 15 | 52.5 |
| 60 | 600 | 80 | 72 | 80 | 37.5 | 15 | 52.5 |
| 63 | 630 | 83 | 75 | 83 | 37.5 | 15 | 52.5 |
| 65 | 650 | 85 | 77 | 85 | 37.5 | 15 | 52.5 |
| 68 | 680 | 90 | 81 | 88 | 34.5 | 18 | 52.5 |
| 70 | 700 | 92 | 83 | 90 | 42 | 18 | 60 |
| 75 | 750 | 97 | 88 | 99 | 42 | 18 | 60 |
| 80 | 800 | 105 | 95 | 104 | 41.8 | 18.2 | 60 |
| 85 | 850 | 110 | 100 | 109 | 41.8 | 18.2 | 60 |
| 90 | 900 | 115 | 105 | 114 | 46.8 | 18.2 | 65 |
| 95 | 950 | 120 | 110 | 119 | 47.8 | 17.2 | 65 |
| 100 | 1000 | 125 | 115 | 124 | 47.8 | 17.2 | 65 |
Contact Person: ZENG
Tel: +8617620005542
