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Non sparking / Antispark / Explosion proof DIN 7444 striking box spanner/ hammering ring wrench
1.Application field
These tools can avoid to rise sparking when tools strike,rub or collide with target in explosive atmosphere or flammble vapours and wide used in hazardous environment where flammable and combustible vapors liquids gas dusts are present such as petroleum industry,chemical industry ,power generation ,railroad ,and mining etc.
2.Production method
(1) casting
(2) forging
Solid forging die
Machinery forgings, including freedom of die forgings and precision forging
3．Surface preparation
electrostatic spraying (spray coating)
Essential color (rue colors )
Passivation treatment (passivating treatment)
Al-bronze (HRC≥25°b>75-85kgf/mm² )
Be-bronze(HRC≥35°b>105-120kgf/mm²)
1) To prepare the raw material, blanking
2) Smelting
3) Pouring
4) Cut the water gap
5) Stored in the semi finished products warehouse
6) Punching
7) Through the drawbench or slotting machine
8) PE plain end and chamfering
9) Drill hole
10) Perfect the product and marking
11)If Be-bronze, need heat treatment
12) Polishing
13) Surface treatment
14)Stored in the finished products warehouse
5.Company strength
-Experience: over 30 years
-Price: always reasonable based on high quality.good quality ,best price.
-Quality: high quality, national and international quality standard
-Function: cushion grip, easy to handle, low maintenance cost, rust protection
-Delivery: punctual, always try to be faster
-Service: quick, caring, faithful, responsible
6.The main products of our company are as follow:
1.Non-sparking tools.They are mainly used in hazardous environment where flammable and combustible vapors liquilds gas dusts are present
such as petroleum industy,chemical industry,power generation,railroad,and mining ects.These toolscan avoid to rise sparking when tools strike,
rub or collide with target in explosive atmosphere.There is two kinds of material,Beryllium Copper alloy and Aluminium Bronze.
2.Special tools.Carbon steel tools ,40Cr or 45#Carbon steel
3.Non-magnetic tools.Material Stainless Steel 304.Corrosion resistant and non magnetic.
6.The main products of our company are as follow:
1.Non-sparking tools.They are mainly used in hazardous environment where flammable and combustible vapors liquilds gas dusts are present
such as petroleum industy,chemical industry,power generation,railroad,and mining ects.These toolscan avoid to rise sparking when tools strike,
rub or collide with target in explosive atmosphere.There is two kinds of material,Beryllium Copper alloy and Aluminium Bronze.
2.Special tools.Carbon steel tools ,40Cr or 45#Carbon steel
3.Non-magnetic tools.Material Stainless Steel 304.Corrosion resistant and non magnetic.
