Chesteron Type 891 seal is a balanced, high-performance component single seal. The 891 can be run against many different stationary seal rings for maximum flexibility in many applications.
Specifications :
1. Multiple spring seal.
2.High quality in and Economical seal
3. Fits extra small seal chambers
4.Designed to qutlast single spring seals.
Operational Conditions:
a) Temperature to 180
b)presuure to 2.5Mpa
c) Surface speed to 10m/s
d) Rotational speed to 3600RPM
| Size | Inch | D5 | D6 | D3 | L1 |
| 25 | 1.000 | 37.5 | 32.5 | 39.3 | 34.9 |
| 28 | 1.125 | 40.0 | 35.0 | 42.3 | 34.9 |
| 30 | 42.0 | 37.0 | 44.5 | 34.9 | |
| 32 | 1.250 | 44.5 | 39.0 | 46.0 | 44.4 |
| 33 | 45.5 | 40.0 | 47.5 | 44.4 | |
| 35 | 1.375 | 47.5 | 42.0 | 49.0 | 44.4 |
| 38 | 1.500 | 50.5 | 45.0 | 52.5 | 44.4 |
| 40 | 53.0 | 47.0 | 55.6 | 44.4 | |
| 1.625 | 55.0 | 49.0 | 57.2 | 44.4 | |
| 42 | 56.0 | 50.0 | 58.7 | 44.4 | |
| 43 | 56.0 | 50.0 | 58.7 | 44.4 | |
| 45 | 1.750 | 58.0 | 52.0 | 60.3 | 44.4 |
| 48 | 1.875 | 61.0 | 55.0 | 63.5 | 44.4 |
| 50 | 2.000 | 63.6 | 57.6 | 66.7 | 44.4 |
| 53 | 2.125 | 67.8 | 61.8 | 69.8 | 44.4 |
| 55 | 67.8 | 61.8 | 69.8 | 44.4 | |
| 58 | 2.250 | 70.8 | 64.8 | 73.0 | 44.4 |
| 60 | 2.375 | 73.5 | 67.5 | 76.2 | 44.4 |
| 63 | 2.500 | 76.5 | 70.5 | 79.4 | 44.4 |
| 65 | 2.625 | 79.5 | 73.5 | 82.6 | 44.4 |
| 70 | 83.4 | 76.9 | 85.7 | 44.4 | |
| 2.750 | 86.4 | 76.9 | 85.7 | 50.8 | |
| 2.875 | 88.4 | 79.9 | 88.9 | 50.8 | |
| 75 | 3.000 | 90.4 | 83.9 | 96.8 | 50.8 |
| 80 | 3.125 | 94.2 | 87.7 | 100.0 | 50.8 |
| 3.250 | 97.3 | 90.3 | 103.2 | 50.8 | |
| 85 | 3.375 | 100.3 | 93.3 | 106.4 | 50.8 |
| 90 | 3.500 | 104.9 | 97.4 | 109.5 | 50.8 |
| 3.625 | 106.9 | 99.4 | 112.7 | 50.8 | |
| 95 | 3.750 | 110.5 | 102.5 | 115.9 | 50.8 |
| 3.875 | 113.7 | 105.7 | 119.0 | 50.8 | |
| 100 | 4.000 | 116.9 | 108.9 | 122.2 | 50.8 |
We specialize in design and manufacturer the complicated and corrosive media, high temperature, high speed, high press etc mechanical seals according to clients requested. The series of high performance mechanical seals for Petroleum Equipment, such as chemical process pump, oil and gas, petrochemicals pump, mixer, agitator, compressor, etc.
And exported to the USA, Canada, Germany, Japan and Middle East. We execute such guild line as leading minds, client first, polish design, top-ranking quality. In the 16 years hostory, we've brought up a hard working and innovative team, who speared every effort to meet the client's needs by execute SPP and good after-sales services.
The designed various types of cartridge seals for various application. Like sluries, sludges, syrup, water, oil & others chemical at low and high pressure pumps, our self developed & fabricate for single & double arrangement to suit application. The concept is for stock realization this are easier to fitment & easier maintenance, all seal face & hardware are interchangeable.
Our firm specializes in offering a distinct series of Grundfo Seal. This innovative range is widely used for slurry pump, pulp & paper, sludge & syrup pump. In line with international standards, these products are manufactured using quality tested raw material and cutting-edge techniques. Also, these products are examined properly by our quality controllers upon different parameters of quality. Our offered products are well known in the market for featuring variegated attributes like sturdiness, optimum quality, to name only a few.
Need hard faces or specialty elastomers? Give us a call. We can quickly build a repair kit to withstand any medium being pumped. You'll find All Seals' pump repair kits an invaluable part of your operation.
