| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
The NMB series is used successful in many applications
worldwide. The can is made from PTFE-seal insulated
rings and a slotted outer can, which reduces EC-losses to
a minimum. They are designed for increased safety and
energy savings. Thus they can handle large motor torques,
high speed and high pressure.
(2)Advantages
•Magnetic coupling for applications acc. to API 685 (similar to API 610)
• Hermetically sealed
• No contact of torque transmitting elements
• No maintenance necessary
• High efficiency can (insulated rings and slotted outer can) for lowest eddy current losses (approx. 2 % of motor power)
• Increased safety and energy savings compared to solid Hastelloy® cans
• Sliding bearing optional
(3)Functional description
The power transmission occurs contact-free through
magnets from the drive shaft to the product wetted output
shaft. Between the two rotating parts is the can wich is
bolted to the container.
(4)Operating range (see note on page 1)
Pressure: p = 45 bar (653 PSI)
Temperature: t = 250 °C (482 °F) (SmCo), 120 °C (248 °F) (NdFeB)
Torque: 18 ... 1,879 Nm
(5)Item Description
1.1 Inner rotor
1.2 Outer rotor
1.3 Can
(6)Materials
Magnets: Samarium cobalt (MA3),
Neodymium iron boron (MA8)
Metal parts: CrNiMo steel 1.4401/1.4436, PTFE Polytetrafluoroethylene (T)
(7)Standards and approvals
• API 685
(8)Recommended applications
• Chemical industry
• Oil and gas industry
• Refining technology
• Pharmaceutical industry
• Food processing industry
• Centrifugal pumps
• Gear pumps
• Top drive mixers/agitators
• Fans
• Blowers
• Autoclaves
(9)Product variants
Different variants are available to meet specific requirements:
• Dry running roller bearing
• High temperature variant
• High pressure can
• Double wall can
(10)Break-away torque (Nm)
| Version | Samarium cobalt (SC2) | Neodymium iron boron (ND2) | |||||||
| Static | Eddy current | Static | Eddy current | ||||||
| break-away torque | losses | break-away torque | losses | ||||||
| at 20 °C | at 3,000 min-1 | at 20 °C | at 3,000 min-1 | ||||||
| Nm | kW | Nm | kW | ||||||
| 16P-2R-45 | 114 | 0.60 | 153 | 0.78 | |||||
| 16P-3R-45 | 204 | 1.10 | 252 | 1.43 | |||||
| 16P-4R-45 | 291 | 1.60 | 370 | 2.08 | |||||
| 16P-5R-45 | 370 | 2.10 | 475 | 2.73 | |||||
| 16P-6R-45 | 451 | 2.60 | 589 | 3.38 | |||||
| 16P-7R-45 | 544 | 3.10 | 703 | 4.03 | |||||
| 16P-8R-45 | 628 | 3.60 | 805 | 4.68 | |||||
| 22P-4R-40 | 460 | 1.70 | 649 | 2.60 | |||||
| 22P-5R-40 | 604 | 2.33 | 857 | 3.37 | |||||
| 22P-6R-40 | 748 | 2.97 | 1019 | 4.13 | |||||
| 22P-7R-40 | 875 | 3.60 | 1199 | 4.90 | |||||
| 22P-8R-40 | 1028 | 4.24 | 1416 | 5.67 | |||||
| 22P-9R-40 | 1205 | 4.87 | 1680 | 6.44 | |||||
| 22P-10R-40 | 1348 | 5.50 | 1879 | 7.20 | |||||
Dimensions in mm
| a | b | c | d | e | f | g | h | j | k | l | |
| 16P-2R | 226.1 | 200.1 | 174.7 | 160.0 | 88.9 | 156.6 | 184.9 | 217.5 | 250.0 | 192.0 | 205.0 |
| 16P-3R | 253.3 | 229.1 | 203.7 | 187.1 | 116.1 | 156.6 | 184.9 | 217.5 | 250.0 | 192.0 | 205.0 |
| 16P-4R | 278.7 | 254.9 | 229.5 | 212.5 | 141.5 | 156.6 | 184.9 | 217.5 | 250.0 | 192.0 | 205.0 |
| 16P-5R | 305.9 | 280.7 | 255.3 | 239.7 | 168.7 | 156.6 | 184.9 | 217.5 | 250.0 | 192.0 | 205.0 |
| 16P-6R | 331.3 | 306.5 | 281.1 | 265.1 | 194.1 | 156.6 | 184.9 | 217.5 | 250.0 | 192.0 | 205.0 |
| 16P-7R | 258.5 | 332.3 | 306.9 | 292.3 | 221.2 | 156.6 | 184.9 | 217.5 | 250.0 | 192.0 | 205.0 |
| 16P-8R | 400.0 | 358.1 | 332.7 | 317.7 | 246.6 | 156.6 | 184.9 | 217.5 | 250.0 | 192.0 | 205.0 |
| 22P-4R | 316.6 | 269.3 | 363.3 | 219.0 | 141.5 | 205.8 | 235.7 | 276.5 | 310.0 | 243.0 | 254.0 |
| 22P-5R | 339.4 | 295.1 | 262.1 | 246.2 | 168.7 | 205.8 | 235.7 | 276.5 | 310.0 | 243.0 | 254.0 |
| 22P-6R | 365.2 | 320.9 | 287.9 | 271.6 | 194.1 | 205.8 | 235.7 | 276.5 | 310.0 | 243.0 | 254.0 |
| 22P-7R | 395.0 | 349.9 | 316.9 | 298.8 | 221.2 | 205.8 | 235.7 | 276.5 | 310.0 | 243.0 | 254.0 |
| 22P-8R | 420.1 | 375.7 | 342.7 | 324.2 | 246.6 | 205.8 | 235.7 | 276.5 | 310.0 | 243.0 | 254.0 |
| 22P-9R | 445.9 | 401.6 | 368.5 | 351.3 | 273.8 | 205.8 | 235.7 | 276.5 | 310.0 | 243.0 | 254.0 |
| 22P-10R | 470.0 | 427.4 | 394.3 | 376.7 | 299.2 | 205.8 | 235.7 | 276.5 | 310.0 | 243.0 | 254.0 |
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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