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Used in the vacuum equipment to see the situation that happened inside of the chamber,
sizes are from DN16-DN200, special sizes accept customized.
material: non-corrosive stainless steel + glass viewport
Model | A | B | D | H | n-d |
16 | 34 | 27 | 10 | 10 | 6-4.3 |
25 | 54 | 43 | 16 | 16 | 6-6.6 |
35 | 70 | 58.7 | 28 | 16.5 | 6-6.6 |
50 | 86 | 72.4 | 41 | 18 | 8-8.4 |
63 | 114 | 92.2 | 58 | 20 | 8-8.4 |
80 | 130 | 110 | 76 | 20 | 16-8.4 |
100 | 152 | 130.3 | 98 | 20 | 16-8.4 |
150 | 202 | 181 | 148 | 22 | 20-8.4 |
200 | 253 | 231.8 | 183 | 27 | 24-8.4 |

















Located in Ningbo city, we are a high-tech enterprise; Plant is seated in Shenyang, the largest city of heavy industry in China, here is the base production of vacuum equipment and systems, with superior advantage of technology and talent ; Leadmed technical staff are all in this field for more than 10 years , we are proud of their professional experience and ability in vacuum field, believe they can meet your specific requirements.
Leadmed products series include vacuum film coating machine, vacuum heat treatment furnace, vacuum chamber, laboratory high temperature electric furnace, box type furnace and tube furnace, and many kinds of vacuum valves and connections and fittings. Our products are designed for used in a variety fields, especially for universities, laboratory, institutes, materials, semi-conductor, IC equipment and etc.
Technology innovation is the eternal power for Leadmed, we will work persistently for advanced technology and customers satisfaction, to be a better brand supplier is our lasting pursuit!




1. Any Stock;
Vacuum components, such as flanges, valves, pumps and high temperature furnaces, we have stock, can be shipped out very soon;
Lab machines are usually based on customers specific requirements, they need 30-60 days for production;
2. Payment terms;
If total value is more than USD 1000.00, 30%T/T in advance, 70% T/T before shipment;
When total value is less than USD 1000.00, we hope to get your supporting for 100% in advance;
3. Delivery days;
Depends on which products you ordered, if with stock, within 7-10 days;
4. After-sale service;
Any problem will be get response within 12 hours;
If cannot be solved by on-line guidance, we will replace the goods or do on-site repair;
5. Warranty;
All products are guaranteed for 12 months;
New products from manufacturers at wholesale prices