According to the requirements of the valve supply requirements, the valve should have a clear mark and meet the following marking methods: Plastic Sponge Bowls,Disposable Guidewire Bowl,Medical Plastic Sponge Bowls,Disposable Plastic Sponge Bowls ShaoXing SurgeCare Medical Products Co., Ltd. , https://www.sxsurgecaremedical.com
　　 1 nominal size DN , nominal pressure PN , pressure component village code, manufacturer name or trademark are required signs, should be marked on the valve body ( 50mm smaller than the nominal size of the valve, these four are marked on the valve body On the label, it is stipulated by the product design).
　　 2 The arrow and seal ring (pad) code of the medium flow direction are only necessary when some types of valve standards are specified. They should be marked on the valve body and flange respectively.
　　 3 If there are no special provisions in the various valve standards, the limit temperature ( °C ), thread code, ultimate pressure, production plant number, standard number, melting furnace number, internal material code, station number, lining material code, quality And the test mark, the inspector's mark, the date of manufacture, and the flow characteristics are selected and used as needed. It can be marked on the valve body or label when needed.
Note: The nominal pressure casting mark value on the valve body is equal to 10 times the megapascal ( MPa ) number, which is set below the nominal diameter value, and is not preceded by the code "PN" .
In addition, it is stipulated that the signage should be firmly fixed to the obvious part of the valve, and its contents must be complete and correct and should comply with the relevant standards. The materials should be made of stainless steel, copper alloy or aluminum alloy.
For the sign of the handwheel rotation, if the handwheel is of sufficient size, the handwheel should be provided with an arrow indicating the direction in which the valve is closed or an additional " off " word.
The marking of the additional mark is as follows: any of the above marks may be attached at different positions, for example, any one of the signs provided on the valve body may be repeatedly placed on the sign. At the same time, as long as the additional mark is not confused with the mark in the table, you can attach any other mark, such as: product model. Three fine valves if (flag==1 || flag==2){text_pagination(1);}else{article.innerHTML=Text;}