| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• For top entry drives, on request side drive possible
• Dry-running
• Single and double seals
• Balanced
• Outboard
• Multiple springs rotating
• Independent of direction of rotation
(2)Advantages
• Available as components or as cartridge units
• Suitable for pressure reversals
• Due to the hydraulic conditions, product pressure as well overlaying barrier pressure closes the seal
• Friction-locked connection to the shaft
• Connections for steel (SeccoMix® 481) and glass-lined (SeccoMix® 461) reactors are available to DIN 28138 standards or as required
• Available also for lateral drives, please inquire
• ATEX certification available on request
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 25 ... 160 mm (0.98" ... 6.30")
Pressure: p1 = vacuum ... 6 bar (87 PSI)
Temperature: t1 = -20 °C ... +150 (250*) °C
(-4 °F ... +302 (482*) °F)
Sliding velocity: vg = 0 ... 2 m/s (0 ... 6 ft/s)
Axial movement: ±1.5 mm
Radial movement: ±1.5 mm
* With cooling flange
For applications beyond this range, please inquire.
(4)Item Description
1 Seal face with seal face housing
3 Drive collar
5 Flange
6 Seat with seat housing
11 Clamping ring
(5)Materials
Seal face: Carbon graphite, FDA conform
Seat: Silicon carbide
Secondary seals and metal parts according to application
and customer's specifications.
(6)Standards and approvals
• Material approvals: FDA
• ATEX
• DIN 28136 (for steel vessels)
• DIN 28141 (flange connection for steel vessels)
• DIN 28154 (shaft end for steel vessel)
• DIN 28136 (for glass-lined vessels)
• DIN 28137 T2 (flange connection for glass-lined vessels)
• DIN 28159 (shaft end for glass-lined vessels)
(7)Notes
Stationary seat alternatives available on request.
Options:
• Cooling or heating flange
• Flush
• Polymerization barrier
See page 259.
(8)Recommended seal supply
Gas supply EagleBurgman GSS4016/A ... for double seals
SeccoMix® 481 ... D .. and SeccoMix® 461 ... D ..
(9)Recommended applications
• Chemical industry
• Pharmaceutical industry
• Food and beverage industry
• Non-toxic media with single seal
• Toxic media with double seal
• Agitators
• Reactors
(10)Product variants
SeccoMix®-11
The SeccoMix®-11 is equipped in addition with a sleeve
for trapping any abraded particles from the seal face.
Contamination of the medium in the container is thus ruled
out. The sleeve can be cleaned through a flushing bore.
Please note: diameters (d2 to d5) increase to the next
possible design size.
SeccoMix® 481
Single seal. Dimensions see page 121
SeccoMix® 481L
Single seal with integrated floating bearing.
SeccoMix® 451
All types of the SeccoMix® 481 range available for
unstepped shafts (all diameters). Seal identification:
SeccoMix® 451 ... Customized design or e.g. different
drives (torque transmissions) are available.
SeccoMix® 461/(491)
For glass-lined vessels. Dimensions see page 123
SeccoMix® 481-D
Double seal
SeccoMix® 481L-D
Double seal with integrated floating bearing
These seals are designed to be self-closing on the product
side, i.e. they will remain closed even with pressure
variations or a pressure reversal. Operation is optionally
the same as for the single version. In view of the
mechanical seal on the atmosphere side it can be used
as a buffer pressurized double seal . The barrier pressure
should be 0.5 … 1.0 bar (7.25 … 15 PSI) above pressure
to be sealed.
Dimensions in mm
| d1(mm) | d1(inch) | d2 | d3 | d4 | d5 | L2 | L3 | a1(min) | a1(max) | s |
| 25 | 1.000 | 34.0 | 68.0 | - | 148.0 | 41.5 | 40.5 | 100.0 | 132.0 | 11.0 |
| 28 | 1.125 | 34.0 | 68.0 | 55.0 | 148.0 | 41.5 | 40.5 | 100.0 | 132.0 | 11.0 |
| 30 | - | 34.0 | 68.0 | 55.0 | 148.0 | 41.5 | 40.5 | 100.0 | 132.0 | 11.0 |
| 32 | 1.250 | 39.0 | 73.0 | 60.0 | 153.0 | 41.5 | 40.5 | 105.0 | 137.0 | 11.0 |
| 35 | 1.375 | 39.0 | 73.0 | 60.0 | 153.0 | 41.5 | 40.5 | 105.0 | 137.0 | 11.0 |
| 38 | 1.500 | 44.0 | 78.0 | 65.0 | 158.0 | 41.5 | 40.5 | 110.0 | 142.0 | 11.0 |
| 40 | - | 44.0 | 78.0 | 65.0 | 158.0 | 41.5 | 40.5 | 110.0 | 142.0 | 11.0 |
| 45 | 1.625 | 49.0 | 83.0 | 68.0 | 163.0 | 41.5 | 40.5 | 115.0 | 152.0 | 11.0 |
| - | 1.750 | 49.0 | 83.0 | 68.0 | 163.0 | 41.5 | 40.5 | 115.0 | 152.0 | 11.0 |
| 48 | 1.875 | 54.0 | 88.0 | 73.0 | 178.0 | 41.5 | 40.5 | 125.0 | 160.0 | 14.0 |
| 50 | - | 54.0 | 88.0 | 73.0 | 178.0 | 41.5 | 40.5 | 125.0 | 160.0 | 14.0 |
| 55 | 2.000 | 59.0 | 93.0 | 78.0 | 183.0 | 41.5 | 40.5 | 130.0 | 165.0 | 14.0 |
| - | 2.125 | 59.0 | 93.0 | 78.0 | 183.0 | 41.5 | 40.5 | 130.0 | 165.0 | 14.0 |
| 60 | 2.250 | 64.0 | 98.0 | 85.0 | 188.0 | 41.5 | 40.5 | 135.0 | 170.0 | 14.0 |
| 65 | 2.375 | 69.0 | 103.0 | 90.0 | 193.0 | 44.5 | 40.5 | 140.0 | 175.0 | 14.0 |
| - | 2.500 | 69.0 | 103.0 | 90.0 | 193.0 | 44.5 | 40.5 | 140.0 | 175.0 | 14.0 |
| 70 | 2.625 | 74.0 | 108.0 | 95.0 | 198.0 | 44.5 | 43.5 | 145.0 | 180.0 | 14.0 |
| - | 2.750 | 74.0 | 108.0 | 95.0 | 198.0 | 44.5 | 43.5 | 145.0 | 180.0 | 14.0 |
| 75 | 2.875 | 79.0 | 113.0 | 100.0 | 203.0 | 44.5 | 43.5 | 150.0 | 185.0 | 14.0 |
| 80 | 3.000 | 84.0 | 118.0 | 105.0 | 208.0 | 44.5 | 43.5 | 155.0 | 190.0 | 14.0 |
| 85 | 3.250 | 89.0 | 123.0 | 110.0 | 213.0 | 44.5 | 43.5 | 160.0 | 195.0 | 14.0 |
| 90 | 3.500 | 94.0 | 128.0 | 115.0 | 218.0 | 44.5 | 43.5 | 165.0 | 200.0 | 14.0 |
| 95 | 3.750 | 99.0 | 133.0 | 120.0 | 223.0 | 44.5 | 43.5 | 170.0 | 205.0 | 14.0 |
| 100 | - | 104.0 | 138.0 | 125.0 | 228.0 | 44.5 | 43.5 | 175.0 | 210.0 | 14.0 |
| 105 | 4.000 | 109.0 | 143.0 | 130.0 | 233.0 | 44.5 | 43.5 | 180.0 | 215.0 | 14.0 |
| 110 | 4.250 | 114.0 | 148.0 | 135.0 | 238.0 | 44.5 | 43.5 | 185.0 | 220.0 | 14.0 |
| 115 | 4.500 | 119.0 | 153.0 | 140.0 | 267.0 | 44.5 | 43.5 | 196.0 | 243.0 | 18.0 |
| 125 | 4.750 | 129.0 | 163.0 | 150.0 | 277.0 | 44.5 | 43.5 | 206.0 | 253.0 | 18.0 |
| 140 | 5.000 | 144.0 | 178.0 | 165.0 | 297.0 | 44.5 | 43.5 | 221.0 | 273.0 | 18.0 |
| - | 5.250 | 144.0 | 178.0 | 165.0 | 297.0 | 44.5 | 43.5 | 221.0 | 273.0 | 18.0 |
| - | 5.500 | 144.0 | 178.0 | 165.0 | 297.0 | 44.5 | 43.5 | 221.0 | 273.0 | 18.0 |
| 150 | 5.750 | 154.0 | 188.0 | 175.0 | 307.0 | 44.5 | 43.5 | 231.0 | 283.0 | 18.0 |
| 160 | 6.000 | 164.0 | 198.0 | 185.0 | 317.0 | 44.5 | 43.5 | 241.0 | 293.0 | 18.0 |
| - | 6.250 | 164.0 | 198.0 | 185.0 | 317.0 | 44.5 | 43.5 | 241.0 | 293.0 | 18.0 |
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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