Drachma（Zhangjiagang）material Co.LTD
| Delivery Time | 2weeks |
| Packaging Details | seaworth plywood case |
| Material | 304L 316L |
| Ultimate | 10-6 Pa or 10 -8 Torr |
| Helium leak rate | Less than 13x10 -12 Pa.m³/sec |
| Gas compatibility | Active and Reactive Gas |
| Brand Name | DM |
| Model Number | CSF |
| Certification | ISO TUV |
| Place of Origin | CHINA |
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Product Specification
| Delivery Time | 2weeks | Packaging Details | seaworth plywood case |
| Material | 304L 316L | Ultimate | 10-6 Pa or 10 -8 Torr |
| Helium leak rate | Less than 13x10 -12 Pa.m³/sec | Gas compatibility | Active and Reactive Gas |
| Brand Name | DM | Model Number | CSF |
| Certification | ISO TUV | Place of Origin | CHINA |
| High Light | 304L Vacuum Rotary Feedthroughs ，316L Vacuum Rotary Feedthroughs ，TUV ferrofluid seal | ||
Magnetic fluid vacuum sealing parts for Vacuum furnace
A ferrofluid has the fluid properties of a liquid and the magnetic properties of a solid. The ferrofluids actually containtiny particles(around 10nm diameter) of a magnetic solid suspended in a liquid medium. To keep them small,magnetic and van der waals interactions must be overcome to prevent the particles from agglomerating. Thermal motion of magnetite particles smaller than 10nm in diameter is suffcient to prevent agglomeration due to magnetic interactions
———The principle of Magnetic sealing
A frroluid can behave as a liquid 0-ring where a rotating shaft enters either a low- or high-pressure chamber. The ferrofluid is held in place bypermanent magnets and forms a tight seal, eliminating most of the friction produced in a traditional mechanical seal .
——— Equipment show
We have three-coordinate measuring laboratory, can carry out all kinds of precision testing, to ensure product quality
We have high precision CNC to ensure the quality and precision of products
———Equipment list
| Name | Type | Quantity | Processing range | Precision(um) |
| CNC | MAZAK(QTN350L) | 1 | φ720*1250 | 3 |
| CNC | MAZAK(QTN250L) | 1 | φ580*1500 | 3 |
| Turn milling center | MAZAK(QTN250M) | 2 | φ580*600 | 3 |
| CNC | Newway(NL-634SC) | 1 | φ630*1000 | 5 |
| CNC | FUJI(TN-36) | 2 | φ350*290 | 3 |
| CNC | HAAS SL30 | 1 | φ620*750 | 3 |
| CNC | MAZAK FJV200 | 1 | 560X*410Y*560Z | 3 |
| CNC | LGMAZAK NEXUS160AN-2PC | 1 | 560X*410Y*660Z | 10 |
| CNC | WHEELEL | 2 | 560X*410Y*660Z | 5 |
| Welding | Miller | 1 |
———Material list we can deal
Stainless steel :304/1.4307 316/1.4404 321/1.4541 316Ti/1.4571 317L 904L F44 NO6625 UNS718
440A/B/C 431 446 F6a F11 F22 F91
Duplex steel : F51 F60 F53 F55
Aluminum : 6061 6063 7075 5052
———Our career
We have established close cooperation with many famous enterprises at home and abroad
Company Details
Business Type:
Manufacturer,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Active Member
Over the years, we have worked hard to promote and realize the modernization of CNC Machined parts sales, and actively cultivated and enhanced the ability of employees' independent innovation. All-round renovation and upgrade of the original business site, facilities and equipment, and mode... Over the years, we have worked hard to promote and realize the modernization of CNC Machined parts sales, and actively cultivated and enhanced the ability of employees' independent innovation. All-round renovation and upgrade of the original business site, facilities and equipment, and mode...
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