The internal environment of the data engine room affects the efficiency of the server at all times and even causes the risk of server disconnection. The body of the staff in the engine room for many years will also be affected by the environment of the computer room. Paying attention to the environment of the computer room is not only responsible for the enterprise but also for the employees.
Test items |
Host room illumination standard value ( 1x) |
Room noise |
Dust concentration (room cleanliness test) |
Pressure difference between main room and other rooms and corridors |
Radio interference field strength |
Magnetic field interferes with the ambient field strength |
Host room temperature and humidity test (at startup) |
Total area of ​​the host room ( m2) |
Host device occupation area ( m2) |
Network equipment occupation area ( m2) |
Reserved area ( m2) |
Auxiliary area ( m2) |
Monitoring center area ( m2) |
Room Net Height (refers to the distance from the machine room floor to the ceiling, and when there is no ceiling, the distance from the machine room floor to the beam) |
Net width from the entrance of the building to the main room |
Distance between cabinets or rack fronts arranged face to face |
Back-to-back distance between cabinets or rack backs |
Rows of cabinets, where the length exceeds 6m, the width of the outlet channels at both ends |
Raised floor height |
Steady-state voltage offset range ( %) |
Steady-state frequency offset range ( Hz) |
Input voltage waveform distortion ( %) |
Ground voltage ( V) |
Permitted power interruption duration ( ms) |
Uninterruptible power system input THD content (%) |
abrasive belt have three grain aluminum oxide silicon carbide zirconia ,the feature is make with premium pen coat aluminum oxide grain.x-weiht cloth backing,resist moisture and heat.the application ,silicon carbide the feature is provides a extremely sharp cut on hard sufaces fully waterproof material can be run wet or dry .heavy backing ,the application slscon carbide sander belts are for sanding of glass,stone,granite,cemet,composites,plastics and light metal finishing.zirconia strong emery cloth abrasive belt was uniform good abrasion resistance have good effect for stainless steel,wood,and other material grinding and polishing .
BRIEF INTRODUCTION
Henan Yuteng Grinding Material Co., Ltd. is located in Kaifeng City, Henan Province. Is a set of production, research and development, service as one of the grinding agent, grinding, polishing products professional company, specializing in the production and sales of coated grinding tools derived ancillary products: flocking sand disc, blade, all kinds of special-shaped grinding disc, sponge grinding block, steel paper disk, ring sand belt, sand ring and automotive polishing products.
Our main products are Velcro Disc,Abrasive Paper,Fiber Disc,Flap Disc,Abrasive Cloth,Abrasive Belt.
Relying on the advantages of the industrial base, the company has advanced production equipment and strong technical force, complete testing equipment to ensure that the products are sharp, wear-resistant and high strength, and the product quality reaches the advanced level of similar international products.
Our products can be used for all kinds of metal watches and stainless steel, alloy steel, non-alloy steel, non-ferrous metals, titanium alloy and other grinding and wire drawing, polishing and so on; Wood, high-medium fiberboard, flower board, composite board, glass, rubber and other table grinding and polishing. Widely used in automobile, steel, building materials, shipping, aviation, wood, plastic, leather and other industries.
We provide customers with the best surface treatment program, according to the actual needs of customers "tailored" a variety of specifications of sand pan, sand belt, sand carbon and emery cloth ring polishing products.
The company's flexible operating mechanism and all customer-centric concept, we in addition to provide you standardized, serialized products, but also according to your special requirements, for you to manufacture high-quality, personalized non-standard coated with abrasive products.
Abrasive Belt,Grinding Belt,Abrasive Belt Grinder,Belt Sanding Belts
Henan Yuteng Abrasives Co.,Ltd. , https://www.henanyutengabrasives.com