
Description
1721 Non Sparking Pipe Wrench(American type) | |||||
NO. | SIZES (mm) | SIZES(inch) | MAX(mm) | Al-Cu(g) | Be-Cu(g) |
172102 | 200 | 8" | 25 | 380 | 455 |
172103 | 250 | 10" | 30 | 720 | 820 |
172104 | 300 | 12" | 40 | 1125 | 1255 |
172105 | 350 | 14" | 50 | 1470 | 1585 |
172106 | 450 | 18" | 60 | 2310 | 2555 |
172107 | 600 | 24" | 75 | 3425 | 3945 |
172108 | 900 | 36" | 85 | 5655 | 6350 |
172109 | 1200 | 48" | 110 | 10445 | 11489 |
The non sparking American pipe wrench is a pipeline maintenance tool designed for flammable and explosive environments. It combines explosion-proof performance with American structural design and has the following core features:
1. Explosion-proof performance and material
Made of aluminum bronze alloy or beryllium bronze alloy to avoid sparks when the tool rubs against the pipeline. It is suitable for dangerous places such as petroleum, chemical, and natural gas pipelines.
Berryllium bronze material has anti-magnetic properties and is suitable for operations in strong magnetic field environments.
2. Structural design
Jaws and adjustment mechanism
Equipped with a multi-thread nut, the jaw opening and closing distance can be quickly adjusted by rotation to meet the clamping needs of different pipe diameters (8-48 inches).
The jaws and handles are made of high-strength copper alloy.
3. Specifications and models
Common specifications are named by total length, such as 8 inches (200mm), 24 inches (600mm), 48 inches (1200mm), etc.
Model examples:
Heavy duty: Suitable for large pipe diameter operations (such as 48-inch heavy-duty American pipe clamps).
Quick adjustment type: With adjustable sliding head design to simplify the operation process.
4. Application scenarios
Pipeline maintenance of petroleum refining equipment.
Natural gas pipeline installation and emergency repair.
Explosion-proof environment operations of chemical reactors and storage tanks.
Technical
Be-Cu | |
Green lake, GBEX IC,for hydrogen with concentration 21.0+2.0%. | |
Hardness | HRC35 |
Tensile strength | δ b 105-120kgf/mm² |
Al-Cu | |
Bluish yellow, GBEX IIB, for ethylene with concentration 7.8+0.5% | |
Hardness | HRC25 |
Tensile strength | δ b 75-85kgf/mm² |

1721 Pipe wrench (American type)
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