Can custom ashtray sample charge be refunded if order is placed?
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What are the buffer facilities in the dust-free workshop? The selection and arrangement of air filters with different levels of air cleanliness in the dust-free workshop: For the 300000-level air purification treatment, sub-efficient filters can be used instead of efficient filters; air purification treatment of air cleanliness grade 100, grade 10000 and grade 100000 shall adopt the primary, medium and high-efficiency filter three-stage filter; the medium or high-efficiency air filter shall be selected according to the rated air volume less than or equal; the medium-effect air filter should be set centrally in the positive pressure section of the purified air regulation; the high-efficiency or sub-efficient air filter should be set at the end of the purified air conditioning system.Design planning(1) Site Selection principle: the choice of the address of the dust-free workshop should conform to the principle of favorable production, convenient living, saving investmen
What type of filter is used in chilled water systems? 15 http://www .Eastwater.Com.Cn/zhongshui/shalv.The central air-conditioning circulating water precision filter is conducive to improving the practical efficiency of the central air-conditioning,Extend the service life of the central air conditioner.In the operation of the open cooling tower,The circulating cooling water in the system has a lot of contact with the air,Let the CO2 in the water escape into the air,The carbonated equilibrium state in the water is destroyed;On the other hand, dissolved oxygen in cooling water causes unstable water quality,To cause scale and corrosion in the system;At the same time, organic matter and microorganisms in air dust will also be brought into the water,Continuous breeding and accumulation,Form bio-clay.Scale, corrosion and bio-clay produced by the above action,The three are connected and influenced by each other.Salt scale is combined with dirt to form the particles,Scaling and clay can accelerate cor