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Explosion proof adjustable spanner,what is it?

2019-09-30
Times

Non sparking adjustable wrench,is also called adjustable spanner which is high demand in explosion proof tools.The material can be beryllium copper or aluminum bronze。The product is pressed by a large friction press. High strength, stable mechanical properties and long service life.

The explosion-proof adjustable wrench is mostly suitable for quickly tightening or dismounting various specifications of hexagon heads, square head bolts and nuts in flammable and explosive places.

The shape of the explosion-proof adjustable wrench is the same as that of a normal adjustable wrench, the difference  is material and performance.

1.Material: Al-Cu,Be-Cu

2.Suitable for petroleum, petrochemical, natural gas, pharmaceutical, coal mine, chemical industry, smelting, and some other flammable and explosive dangerous places.

3.Sizes: 150mm/6"   200mm/8"   250mm/10"   300mm/12"   375mm/15"   450mm/18"   600mm/24"

Explosion-proof wrench products should pay attention not to use it with excessive force, let alone use a sleeve or other metal rods to extend the arm, and hammering (except to striking wrench) to knob fasteners.

Be-Cu:

Suitable for hydrogen with concentration below 21%,standard code GBEX ⅡC

Hardness is not less than HRC35,Tensile strength δ b 105-120kgf/mm2

Beryllium copper alloy with anti-magnetic performance.

Al-Cu:

Suitable for ethylene with concentration below 7.8%,standard code GBEX ⅡB

Hardness is not less than HRC25,Tensile strength δ b 75-85kgf/mm2


Non sparking spanner,Explosion proof Tools

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