Ex wrench 
 Brand: the anti- 
 Material: Copper Alloy 
 Type: Explosion Double Double open end wrench ring spanner wrench so stay Mei 
 Performance Introduction 
 Explosion-proof tool is divided into two materials: one is the beryllium copper alloy, the other is the aluminum-copper alloy. (Also known as bronze and aluminum bronze) 
 1, the aluminum-copper alloy with precious metals explosion synthesis tools, smelting, forging and made tools, the surface yellow. Face hardness of HRC25 ° or more, tensile strength, δ b> 75-85kgf/mm2, other technical indicators all reach the advanced level of similar foreign products. In the flammable gas ethylene (concentration 7.8%) are to ensure the safety of continuous use of space, red (hit) hit, friction, sparks are not falling weight. 
 2, the copper alloy is a military explosive tool for the synthesis of materials and precious metals, made of tool surfaces yellow. Face hardness of HRC35 ° or more, tensile strength, δ b> 105-120kgf/mm2, base it with all the technical indicators advanced level of similar foreign products. In the flammable gas hydrogen (concentration 21%) in rapid succession using space are to ensure safety, red (hit) hit, friction, sparks are not falling weight. Beryllium copper alloy explosion-proof tool also has a special magnetic functions in a magnetic field in the work environment to normal use. 
 Second, the use of maintenance and repair: 
 1, a variety of products before use to remove surface oil, used by steel tools reference manual. 
 2, the use of the surface after Kaijing filth and sediment, put a dry safe place saved. 
 3, Striking Tools products, not continuous, with over ten times should be appropriate interval, while the timely removal of adhesive products, parts of the debris before you continue. 
 4, the wrench is not super-power products to use, but can not be strapped with a casing or other metal sticks longer arm and hammer percussion (except for percussion wrench) used the method knob fasteners. 
 5, blade type tools should be placed in the sink gently touch the grinding wheel, grinding wheel can not be too much force and contact time is too long. 
 6, in the knock smashing Tools actual operation, must be removed on-site oxide corrosion debris and face to prevent a third party impact. 
 Based on the above properties and use that in the normal process of using aluminum-copper alloy is more suitable conditions of pressure equipment and explosion-proof environment with less stringent requirements (such as gas stations, small oil tanks, etc.). The properties of beryllium copper alloy applicability of proof tools (such as refineries, gas transfer stations, gas plants, drilling crew, etc.). 
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