Becoming the most respected manufacturer of FS BU28 Flygt Pump Seal, CARTEX DN Cartridge Seals, teflon bellow mechanical seal in the world is the goal we have been striving for for many years. The establishment of various Internet social platforms can give full play to the social economic value and establish good and timely communication with our customers. We collaborate with our partners for mutual benefit and win-win situation to promote comprehensive, coordinated and sustainable development.
Equivalent to:
● Eagle Burgmann H7N
Operating Limits:
● Temperature: -20℃ - +220℃
● Pressure:≤ 25bar
● Speed: ≤ 20m/s
● Shaft Size: 25mm - 95mm
Materials:
● Seal Rings: A,B,Q1/12,Q2/22, U1/12,U2/22
● Elastomer: VITON, EPDM, NBR, FFKM, AFLAS
● Metal Part: SS304, SS316, Duplex, Hastelloy C
Assembly Dwg:

Dimensions (mm):
| D | D0 | D1 | D6 | D7 | l2 | l1k | MX |
| 25 | 30 | 45 | 34 | 40 | 36.0 | 47.5 | M6 |
| 28 | 33 | 48 | 37 | 43 | 38.5 | 50.0 | M6 |
| 30 | 35 | 50 | 39 | 45 | 38.5 | 50.0 | M6 |
| 33 | 38 | 55 | 42 | 48 | 38.5 | 50.0 | M6 |
| 35 | 40 | 57 | 44 | 50 | 38.5 | 50.0 | M6 |
| 38 | 43 | 60 | 49 | 56 | 38.5 | 52.5 | M6 |
| 40 | 45 | 62 | 51 | 58 | 38.5 | 52.5 | M6 |
| 43 | 48 | 65 | 54 | 61 | 38.5 | 52.5 | M6 |
| 45 | 50 | 67 | 56 | 63 | 38.5 | 52.5 | M6 |
| 48 | 53 | 70 | 59 | 66 | 38.5 | 52.5 | M6 |
| 50 | 55 | 72 | 62 | 70 | 42.5 | 57.5 | M6 |
| 53 | 58 | 79 | 65 | 73 | 42.5 | 57.5 | M8 |
| 55 | 60 | 81 | 67 | 75 | 42.5 | 57.5 | M8 |
| 60 | 65 | 86 | 72 | 80 | 47.5 | 62.5 | M8 |
| 65 | 70 | 91 | 77 | 85 | 47.5 | 62.5 | M8 |
| 70 | 75 | 99 | 83 | 92 | 52.0 | 70.0 | M8 |
| 75 | 80 | 104 | 88 | 97 | 52.0 | 70.0 | M8 |
| 80 | 85 | 109 | 95 | 105 | 51.8 | 70.0 | M8 |
| 85 | 90 | 114 | 100 | 110 | 56.8 | 75.0 | M8 |
| 90 | 95 | 119 | 105 | 115 | 56.8 | 75.0 | M8 |
| 95 | 100 | 124 | 110 | 120 | 57.8 | 75.0 | M8 |
Related Introduction
The basic requirements of mechanical seal materials are mainly reflected in their material properties. The performance of the sealing material is an important factor to ensure effective sealing. The selection of the sealing material is mainly based on the working environment of the mechanical sealing element, such as the use temperature, working pressure, applicable working medium and movement mode.
With the unremitting efforts of all colleagues, the H7n Mechanical Seal for Pumpe (HB3) are well received by users. We will continue to pursue excellent quality, and we are willing to provide users with high-quality products and services to create a better future together. We master the modern production process and scientific management method. We strive to create technological advantages and value advantages, to become a market segment leader, to create globally renowned enterprises and product brands.
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