英语翻译请精通英文的人帮忙翻译成英文,合适了就加40分以下为要翻译的全文,4.1阀门应存放在干燥通风的室内,严禁堆迭放置

4.1 valves should deposit in the dry well ventilated indoor,refuses to pile the repeat laying aside,the temperature maintains suitably 35℃,the relative humidity is between 50~80%.4.2 keeps in stock valve's both sides to the seal,enters the cavity by against foreign matter to damage the seal part.And should avoid with the oil class or other combustible materials contact.the 4.3 valve's metal working surface should eliminate the dirt,and spreads by the rust-preventing agent.before the 4.4 installment,should check pipeline's operating condition carefully whether to stipulate with this valve the applicable scope match case,avoids because of selecting improper causes nonessential loss 4.5 this valve besides not to be suitable applies in the vacuum line,may pretend the two-way flow peacefully in pipeline's optional position.When the valve is in lies installs the position,should in it install lower extremity Canada to set at the support to fix,and should guarantee the operation and service convenient.when 4.6 installs,should be clean the valve cavity clean,prevents the dirt card anti- or the foreign matter damage seal part.And inspects various parts connecting bolt whether to fasten evenly.in the 4.7 movement should inspect and the medium contact part frequently,and according to the actual service condition or the movement cycle,replaces the seal packing collar regularly.(about seal packing collar rubber aging time general two years) the 4.8 normal use's implementing agency usually must carry on the suitable maintenance.Enters cylinder's compressed air to pass through the filter.Wants the regular observation oil mist oil level,the oil level to reduce must refuel promptly,guaranteed that the lubricating oil enters the cylinder unceasingly,carries on the good lubrication to cylinder's moving part.Should establish the drainage system in entire air-supply system's beginning end,and in compressed air's moisture content will drain away regularly,guaranteed that the compressed air is dry.4.9 like applies on the discontinual pipeline,is stopping using the period,should clean and the medium contact spot,lengthens valve's service life.4.10 after the overhaul valve,must carry on the leakage test before the application according to the related test stipulation,after the qualified,side can install the use.And completes the maintenance records to prepare the investigation.