| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
Magnetic couplings (MAK) are a hermetic sealing solution
for pumps and agitators. Dangerous or precious media
remain isolated in the closed system circuit.
(2)Advantages
• Magnetic coupling for applications acc. to API 685 (similar to API 610)
• Hermetically sealed
• Single seal
• No contact of torque transmitting elements
• No maintenance necessary
• Hastelloy® can for high performance
• High efficiency can optional
• Product-lubricated sliding bearings included
(3)Operating range (see note on page 1)
Pressure: p = 40 bar (580 PSI)
Temperature: t = 250 °C (482 °F) (SmCo), 120 °C (248 °F) (NdFeB)
Speed: n = 3,600 min-1
Chemical resistance: pH 0 ... 14
Viscosity: 0.3 ... 5,000 mPas (SiC)
Torque: 462 Nm
Solids: max. 0.1 mm; max. 5 % by weight;
grain hardness max: 700 HV
(4)Item Description
1 Coupling
1.1 Inner rotor
1.2 Outer rotor
2 Can
3 Bearing assembly
3.1 Radial journal bearing
3.2 Axial journal bearing
3.3 Axial journal bearing
3.4 Shaft sleeve
4 HSH cap screw
(5)Materials
Sliding faces: Silicon carbide SiC (Q1),
Carbon silicon inpregnated SiC-C-Si (Q3)
Carbon graphite resin impregnated (B)
Magnets: Samarium-Cobalt (MA3),
Neodymium-Iron-Boron (MA8)
Metal parts: CrNiMo steel 1.4571 (G), CrNiMo steel
1.4462 (G1), Hastelloy® C-4 2.4610 (M)
(6)Standards and approvals
• API 685
(7)Recommended applications
• Oil and gas industry
• Refining technology
• Centrifugal pumps
(8)Product variants
Dimensions in mm
| Can | Outer rotor | |||||||||||||
| DN | LK | L | DN | d2 | a | c | m | k1 | s1 | d10 | d11 | V | W | k2 |
| 75 | 2-6 | 119 | 75 | 118 | 17 | 4 | 13 | 100 | 9 | 90 | 110 | 0 | 5 | 100 |
| 110 | 2-6 | 156 | 110 | 168 | 31 | 4 | 22 | 133 | 13.5 | 125 | 145 | 4 | 5 | 135 |
| 135 | 4-8 | 156 | 135 | 188 | 17 | 4 | 20 | 158 | 11 | 150 | 170 | 4 | 5 | 160 |
| 165 | 4-10 | 198.5 | 163.5 | 218 | 17 | 5 | 22 | 192 | 11 | 178 | 198 | 5 | 8 | 188 |
| Bearing arrangement | ||||||||||||||
| DN | DNL | d3 | d5 | d6 | b | e | l1 | l2 | h | k3 | d7 | l | t | u |
| 75 | 22 | 44 | 16.5 | 15.8 | 21 | 8 | 103 | 29 | 7 | 55 | 16 | 16 | 18 | 5 |
| 110 | 43 | 75 | 32.5 | 31.5 | 26 | 11 | 128.5 | 20 | 8 | 87 | 32 | 22 | 35 | 10 |
| 135 | 43 | 75 | 32.5 | 31.5 | 26 | 11 | 138.5 | 20 | 8 | 87 | 32 | 22 | 35 | 10 |
| 165 | 55 | 92 | 40.5 | 39.5 | 27 | 12 | 169.5 | 30 | 10 | 103 | 40 | 32 | 46 | 12 |
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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