| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• Lift-off type barrier seal
• Gas-lubricated
• Bi-directional
• Ready-to-fit cartridge unit
(2)Advantages
The carbon ring seal with the lowest levels of buffer gas
consumption. Lift-off type carbon ring seals are setting the
benchmark among the existing oil barrier seals with regard
to separation gas consumption. The profiled surface
at the inner diameter of the segmented ring provides at
circumferential speeds of > 10 m/s an aerodynamic lift-off
and the segments are floating on a very small gas film.
(3)Operating range (see note on page 1)
Shaft diameter: Ds1 = 29.5 ... 299.5 mm (1.16" ... 11.79")
Pressure: p2 dyn. 1.5 ... 2.2 bar a (21 ... 31 PSI),
p2 stat. ... 11 bar a (159 PSI)
Sliding velocity: vg = 10 ... 200 m/s (32 ... 656 ft/s)
Temperature: t = -20 °C ... +200 °C (-4 °F ... +392 °F)
Barrier gas: Air or nitrogen
Dew point of barrier gas at operating pressure:
-50 °C ... +20 °C (-58 °F ... +68 °F)
Run-out of shaft: max. 20 μm
Vibrations peak/peak (in the area of compressor bearing):
Smax = 3.5 x 25.4 12,000/nmax
Smax = 275 μm (short term)
(4)Materials
Seal face: Carbon graphite impregnated
Secondary seals: FKM (V)
Metal parts: 1.4006 or other stainless steels.
(5)Standards and approvals
• NACE
(6)Item Description
1 Shaft sleeve
2 Segmented carbon ring
3 Garter spring
4 Housing of standardized sub-cartridge
5 Housing (adapted in size to the installation space)
D Separating gas
(7)Note
Not applicable with barrier gases from cryogenic separation.
(8)Recommended applications
• Oil and gas industry
• Refining technology
• Petrochemical industry
• Nitrogen
• Air
• Centrifugal compressors
• Blowers
(9)Dimensions in mm
Dimensions in mm
| DN | ds1 max. | d2 min. | Lb | Lb2 |
| 50 | 29.5 | 98.0 | 27.0 | 27.0 |
| 65 | 44.5 | 113.0 | 27.0 | 27.0 |
| 80 | 59.5 | 128.0 | 27.0 | 27.0 |
| 85 | 64.5 | 133.0 | 27.0 | 27.0 |
| 88 | 67.5 | 135.0 | 27.0 | 27.0 |
| 90 | 69.5 | 138.0 | 27.0 | 31.0 |
| 95 | 74.5 | 143.0 | 27.0 | 31.0 |
| 100 | 79.5 | 148.0 | 27.0 | 31.0 |
| 105 | 84.5 | 153.0 | 27.0 | 31.0 |
| 110 | 89.5 | 158.0 | 27.0 | 31.0 |
| 115 | 94.5 | 163.0 | 27.0 | 31.0 |
| 118 | 97.5 | 166.0 | 27.0 | 31.0 |
| 120 | 99.5 | 168.0 | 27.0 | 31.0 |
| 125 | 104.5 | 174.0 | 27.0 | 31.0 |
| 127 | 106.5 | 176.0 | 27.0 | 31.0 |
| 130 | 109.5 | 178.0 | 27.0 | 31.0 |
| 135 | 114.5 | 183.0 | 27.0 | 31.0 |
| 140 | 119.5 | 188.0 | 27.0 | 31.0 |
| 145 | 124.5 | 195.0 | 27.0 | 31.0 |
| 150 | 129.5 | 198.0 | 27.0 | 31.0 |
| 155 | 134.5 | 205.0 | 27.0 | 31.0 |
| 160 | 139.5 | 208.0 | 27.0 | 31.0 |
| 165 | 144.5 | 216.0 | 28.0 | 32.0 |
| 170 | 149.5 | 222.0 | 28.0 | 32.0 |
| 175 | 154.5 | 226.0 | 28.0 | 32.0 |
| 180 | 159.5 | 232.0 | 28.0 | 32.0 |
| 185 | 164.5 | 237.0 | 28.0 | 36.5 |
| 190 | 169.5 | 242.0 | 32.5 | 36.5 |
| 195 | 174.5 | 247.0 | 32.5 | 36.5 |
| 200 | 179.5 | 252.0 | 32.5 | 36.5 |
| 205 | 184.5 | 258.0 | 32.5 | 36.5 |
| 210 | 189.5 | 262.0 | 32.5 | 36.5 |
| 215 | 194.5 | 272.0 | 32.5 | 36.5 |
| 220 | 199.5 | 272.0 | 32.5 | 36.5 |
| 225 | 204.5 | 279.0 | 32.5 | 36.5 |
| 230 | 209.5 | 282.0 | 32.5 | 36.5 |
| 235 | 214.5 | 287.0 | 32.5 | 36.5 |
| 240 | 219.5 | 292.0 | 33.5 | 38.5 |
| 245 | 224.5 | 300.0 | 33.5 | 38.5 |
| 250 | 229.5 | 302.0 | 33.5 | 38.5 |
| 255 | 234.5 | 307.0 | 33.5 | 38.5 |
| 280 | 259.5 | 343.0 | 34.5 | 40.0 |
| 290 | 269.5 | 353.0 | 34.5 | 43.5 |
| 300 | 279.5 | 363.0 | 34.5 | 43.5 |
| 310 | 289.5 | 373.0 | 34.5 | 43.5 |
| 320 | 299.5 | 379.0 | 34.5 | 43.5 |
We have large stock, so our delivery is very fast.
For example,if products are standarded, the delivery time is one week.
Our company and factory addrss: Ningbo City, Zhejiang Province,China.
Our city has a large port and an airport, so its transportation is very convenient.
Question1: What are the prices of your products?
Answer: For each model, the unit price is listed on the website, but what is displayed on the website is only the average market price. For specific models, you can contact us for further consultation and negotiation.
Question 2: Are you a factory or a trade company?
Answer: We are a factory with top sales for the trade service.
Question 3: What is the minimum order quantity for each order?
Answer: For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and services through placing trial orders. Looking forward to the long-term cooperation with you.
Question4: What is your company's service tenet?
Answer: Quality first, service upmost. We promises that if there is any problem with the quality of the product, or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.
Question5: Can I try to get a SAMPLE before the order?
Answer: Sure. Our company will provide you with samples for free, but you will have to pay for the international delivery (freight collect payment).
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