Explosion-proof open end wrenches are used to fasten and remove hexagon or square bolts and nuts.

There are non sparking dead wrench,double open end wrench,combination wrench,striking wrench,striking wrench bent,open wrench with pin etc..

Material: beryllium copper alloy,aluminum bronze

Performance

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

Open wrenches are the most common type of explosion-proof wrenches. There are so many kinds of common wrenches such as non sparking adjustable spanner,double box end wrench,open end wrench,striking ring wrench,striking open end wrench,striking box wrench convex,striking wrench bent,valve handle,hex allen key,square valve wrench,hook wrench,bung wrench,ratchet wrench,socket wrench etc..

Applications

Petroleum refining and petrochemical industry, coal mine, oil field, natural gas chemical industry, gunpowder industry, chemical fiber industry, paint industry, fertilizer industry, various pharmaceutical industries. Oil tankers and LPG vehicles, airplanes, warehouses operating flammable and explosive products, electrolytic workshops, telecommunication machine assembly workshops, places that require tools not rusty, wear-resistant and anti-magnetic

Non sparking wrenches manufacturer