Pipe End Mechanical Coupling
Petroson is producing high-quality pipeline weld-end mechanical coupling for long-term pipeline repairs. For the past ten years, we have been a dependable partner in the production of mechanical bolted coupling for the authorized market since we comprehend the needs and applications of our clients. All throughout the world.
PetroSan Oilfield Engineering co. is one of the greatest, largest, and most well-known manufacturer and fabricators of mechanical weld-end couplings, pipeline coupling, pipeline Mechanical pipe connector coupling, pipe end repair coupling, pipe surface fit coupling, Petrosan dominates the market in terms of brand recognition thanks to its unique products.
One kind of pipe fitting used to weld two pipes together is called a mechanical weld end coupling. With a plain or beveled end, this small, cylindrical piece enables a sturdy, seamless, and leak-tight connection of the pipelines.
Here are some key features of a weld end mechanical coupling:
1. Connection type: Mechanical and welded
2. End type: Plain End (PE) or Beveled End (BE)
3. Weld type: Butt Weld (BW) or Socket Weld (SW)
4. Function: Connects two pipes of the same diameter, allowing for a continuous flow
5. Design: Short, cylindrical shape with a straight or tapered end
6. Material: Typically made from carbon steel, stainless steel, or other alloys
7. Applications: Used in various industries, including oil and gas, chemical processing, power generation, and construction
Weld end mechanical couplings are commonly used in piping systems to:
1. Extend or connect pipes
2. Change pipe direction
3. Connect pipes of different materials or sizes
4. Provide a smooth, continuous flow
Mechanical coupling offer advantages like:
1. Easy installation and alignment
2. No need for special welding skills or equipment
3. Strong and durable connections
4. Resistance to corrosion and high temperatures
5. Minimized risk of leaks and maintenance needs.
Mechanical we coupling Material specification:
– Carbon Steel (CS): ASTM A105, ASTM A234, or ASTM A860.
– Stainless Steel (SS): ASTM A182, ASTM A403, or ASTM A960.
– Alloy Steel (AS): ASTM A182, ASTM A234, or ASTM A860.
– Duplex Steel (DS): ASTM A182, ASTM A403, or ASTM A960.
– Super Duplex Steel (SDS): ASTM A182, ASTM A403, or ASTM A960.
Mechanical weld end couplings are subjected to various tests to ensure their quality, safety, and performance. Here are some common tests:
1. Hydrostatic Pressure Test: Tests the coupling’s ability to withstand high pressure without leaking or rupturing.
2. Pneumatic Pressure Test: Similar to hydrostatic testing, but uses air or gas instead of liquid.
3. Leak Tightness Test: Checks the coupling’s ability to maintain a seal under various conditions.
4. Tensile Strength Test: Measures the coupling’s resistance to pulling forces.
5. Bending Moment Test: Evaluates the coupling’s ability to withstand bending stresses.
6. Impact Test: Assesses the coupling’s resistance to sudden impacts or shocks.
7. Corrosion Resistance Test: Exposes the coupling to corrosive substances or environments to evaluate its resistance.
8. Temperature Cycle Test: Tests the coupling’s performance under extreme temperature fluctuations.
9. Vibration Test: Evaluates the coupling’s ability to withstand vibrations and cyclic loading.
10. Material Testing: Verifies the chemical composition and mechanical properties of the coupling material.
11. Dimensional Inspection: Checks the coupling’s dimensions and tolerances.
12. Welding Procedure Qualification: Ensures the welding process used to manufacture the coupling meets industry standards.
13. Non-Destructive Testing (NDT): Uses techniques like radiography, ultrasonic testing, or magnetic particle inspection to detect defects or irregularities.
14. Fatigue Testing: Evaluates the coupling’s ability to withstand repeated loading and unloading cycles.
These tests ensure mechanical weld end couplings meet industry standards, such as:
– ASME B16.9
– ASME B16.11
– ASTM A234
– ASTM A403
– API 5L
– API 6A
Certifications:
– Material Test Report (MTR)
– Mill Test Certificate (MTC)
– Certificate of Conformance (COC)
– ISO 9001:2015 certification
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