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 Gate valve means stem nut on the bonnet or bracket, the opening and closing of the brake plate is to use rotary stem nut to achieve the valve stem lifting. This structure is advantageous to the lubrication of the stem, and the opening and closing degree is obvious, so it is widely used.
Usually on ... |
 [2017-05-22] Butt welding gate valve [2017-05-22]EDELON VALVE CO., LTD is a well-known manufacture,we have advanced equipment to support production.When it comes to production,it is necessary to discuss about ways of connection.
We have various types connections such as flange ,butt welding,socket welding and so on.
Today,I 'd like to introduce ... |
 Duplex 2507(5A) is a widely used variant of stainless steel (both Ferritic and Austenitic).
Duplex 2507(5A) exhibits excellent corrosion resistance. It resists intergranular and crevice corrosion. It also shows appreciable resistance to pitting. Chloride stress corrosion cracking is also dealt with... |
 Sedelon ®---------Bronze Valves Expert
Zhejiang Sedelon valve co., LTD is a professional bronze valves company production factory, we are the best bronze valves manufacturer in China.
The material of Bronze has characteristics of low melting point, high hardness, plasticity, and wear resistant, c... |
 [2016-12-18] Penetrant Testing（PT） [2016-12-18]Penetrant Testing（PT）
By applying penetrant, the redundant parts is removed with a detergent, and if necessary, applying imaging agent to obtain an indication of some defects opening on the surface in the part.
Penetration testing is based on the liquid to the solid's wetting ability and capillary... |