Non-Sparking Single Open-End Striking Brass Wrench/Spanner Explosion-Proof Tools Wrench

• Customization: Available
• Type: Open Spanner
• Material: Copper Alloy
• Brand: Dongcheng
• Surface Treatment: Real
• Size: Common
• Feature: Anti-Explosion
• Working Mode: Manual
• Folded: Unfolded
• Handle Color: Pure
• Application Age: Adult
• Scope of Application: Flammable and Explosive Scenarios Such as Petroleu
• Specification: 12MM-115MM
• Origin: China

Product Description

Detailed Photos

 

Product Description

Non-sparking tools single ring striking brass wrench explosion-proof tools wrench DIY tools set
Aluminum bronze Non-sparking tools
1. Appropriate for operation with ethylene concentration below 7.8% 
2. Surface Color: Silver Yellow
3. Micro-magnetic
4. Hardness: 20-30 HRC  
5. Tensile Strength: 782N/mm²-989N/mm²
6. Elasticity Limit: 450N/mm²-550N/mm²
7. Extensibility: δ≥5%

Beryllium Copper Non-sparking tools
1. Appropriate for operation with hydrogen concentration below 21%, 
2. Surface Color:Golden Yellow
3. Non-magnetic
4. Hardness: 30-40 HRC  
5. Tensile Strength: 1117N/mm²-1326N/mm²
6. Elasticity Limit: 840N/mm²-880N/mm²
7. Extensibility: δ≤1.0%

To ensure the explosion-proof performance, after the raw materials are melt with scientific ratio, QC personnel will take sample piece to do drop weight and friction test according to GB/T 10686-2013 standard. The test is conducted under the highest level ExIIC,  hydrogen concentration 21%. Only if the samples are tested qualified can the next step of production be carried out. 

SIZE	12MM
	14MM
	17MM
	19MM
	22MM
	24MM
	27MM
	30MM
	32MM
	34MM
	36MM
	38MM
	41MM
	46MM
	50MM
	55MM
	60MM
	65MM
	70MM
	75MM
	80MM
	85MM
	90MM
	95MM
	100MM
	105MM
	110MM
	115MM
Material	Aluminum Bronze/Beryllium Copper