Parallel Thread Rebar Coupler

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specification

1.Material:45#high quality carbon steel.

2.Application: 12--50mm.

3.High strength,low cost,simple operation.

Coupler Size	Outer Dia(±0.5mm)	Inner Dia(±0.5mm)	Length(±2mm)	Thread Pitch(mm)	Thread Angle(º)	Weight/Pc(kg)
D12	19	10.28	35	M12*1.75P	60/75	0.036
D14	21	12.55	38	M14.8*2.5P	60/75	0.068
D16	24	14.50	43	M16.8*2.5P	60/75	0.099
D18	27	16.35	48	M18.6*2.5P	60/75	0.125
D20	29	18.45	53	M20.6*2.5P	60/75	0.180
D22	33	20.35	58	M22.6*2.5P	60/75	0.205
D25	37	23.15	63	M26.0*3.0P	60/75	0.317
D28	41	25.95	68	M28.6*3.0P	60/75	0.399
D32	47	30.15	80	M32.8*3.0P	60/75	0.640
D36	54	33.85	83	M36.7*3.5P	60/75	0.900
D40	59	37.55	88	M40.4*3.5P	60/75	1.099
D50	74	47.10	125	M50.4*3.5P	75	1.298

Coupler Size	OD(±0.5mm)	Length(±2mm)	Thread Pitch	Thread Angle(º)	G/W(kgs)
D14	22	38	2.5	75	0.068
D16	25	43	2.5	75	0.099
D18	28	48	2.5	75	0.125
D20	30	53	2.5	75	0.180
D22	34	58	2.5	75	0.205
D25	38	63	3.0	75	0.317
D28	42	68	3.0	75	0.399
D32	48	80	3.0	75	0.640
D36	55	83	3.5	75	0.900
D40	59	88	3.5	75	1.099

Rebar Coupler Advantages:

----Adopt National Standard 45# igh quality carbon steelas raw meterial.

----High strength, tensile test usually more than 600Mpa,Tensile strength can reach 110%of yiled strength of parent rebar.

----The product has passed ISO9001 International Quality System Certification.

----We can design,produce weldable or other type rebar couper as per customers` requirement.

Tengzhong Machinery Co.,Ltd

A processional manufacture of rebar mechanical splicing equipment,rebar processing machinery,rebar coupler and related products.It is a membership of construction machinery trade of China quality cotrol association.

Q: Now the domestic construction of scaffolding used more than what type ah? begging common: P6 is impermeable concrete, generally used for basement, pool structure and other parts. The problem is not clear.

Q: Are steel tube couplers adjustable for different angles and positions?: The adjustability of steel tube couplers for different angles and positions is nonexistent. Their purpose lies in establishing a strong connection between two steel tubes, thereby guaranteeing structural stability and integrity. These couplers find extensive application in construction and engineering sectors, where precision and strength play a vital role. Nevertheless, if the project demands adjustable angles and positions, it is advisable to explore alternatives like swivel couplers or adjustable fittings. These options provide flexibility and enable adjustments in multiple angles and positions, thereby offering enhanced versatility in construction projects.

Q: Are steel tube couplers resistant to extreme temperatures or weather conditions?: Yes, steel tube couplers are generally resistant to extreme temperatures and weather conditions. Steel is known for its durability and ability to withstand a wide range of temperatures, making it suitable for various environmental conditions. However, it is important to consider specific factors such as the type of steel used, proper maintenance, and the severity of the weather conditions to ensure optimal performance and longevity.

Q: What are the common failure modes of steel tube couplers in scaffolding?: The common failure modes of steel tube couplers in scaffolding can be attributed to several factors. One of the most common failure modes is overloading, where the weight or load applied to the scaffolding exceeds the coupler's maximum load capacity. This can cause the coupler to deform, crack, or even break, leading to a catastrophic failure of the entire scaffolding structure. Another failure mode is improper installation or assembly of the couplers. If the couplers are not tightened properly or if they are not aligned correctly, they can become loose or detached, posing a significant safety risk. Improper installation can also lead to gaps or misalignment between the tubes, compromising the overall strength and stability of the scaffold. Corrosion is another failure mode that affects steel tube couplers. Over time, exposure to moisture, chemicals, or other corrosive agents can cause the couplers to rust or corrode. This weakens the structural integrity of the couplers and can result in their failure under load. Fatigue failure is also a common mode of failure in steel tube couplers. The repeated application of loads, such as during construction or dismantling of the scaffold, can cause the couplers to develop cracks or fractures over time. These cracks can propagate and eventually lead to a complete failure of the coupler. Lastly, poor quality or substandard manufacturing can also contribute to failure modes in steel tube couplers. If the couplers are not made to industry standards or if they are made from low-quality materials, they may lack the necessary strength and durability, making them prone to failure. To mitigate these failure modes, it is essential to ensure that the scaffolding design is appropriate for the intended load and usage. Regular inspections and maintenance should be conducted to identify any signs of wear, corrosion, or damage to the couplers. Proper training and education of personnel involved in the assembly and disassembly of scaffolding are also crucial to ensure the correct installation and alignment of the couplers. Using high-quality and corrosion-resistant couplers, as well as following manufacturer guidelines and industry best practices, can also help prevent common failure modes of steel tube couplers in scaffolding.

Q: How do steel tube couplers compare to other types of couplers, such as aluminum or plastic?: Steel tube couplers have several advantages over other types of couplers, such as aluminum or plastic. Firstly, steel is known for its strength and durability, making steel tube couplers more resistant to wear and tear compared to aluminum or plastic couplers. Additionally, steel tube couplers can handle higher loads and provide better structural integrity, making them suitable for heavy-duty applications. Moreover, steel tube couplers offer high corrosion resistance, ensuring longevity even in harsh environments. While aluminum and plastic couplers may have their own advantages like being lightweight or cost-effective, steel tube couplers are generally preferred for their superior strength and durability.

Q: Can steel tube couplers be used with other types of scaffolding couplers?: It is not possible to use steel tube couplers in conjunction with other types of scaffolding couplers. Steel tube couplers have been specifically engineered to securely connect steel tubes in scaffolding systems. They are not compatible with pressed steel couplers or putlog couplers, which are intended for different purposes and employ distinct connection mechanisms. To guarantee the safety and stability of the scaffolding structure, it is crucial to employ the appropriate type of scaffolding coupler for the particular application.

Q: Can steel tube couplers be used for connecting different sizes of scaffold tubes?: Indeed, steel tube couplers are capable of connecting scaffold tubes of varying sizes. The purpose of these steel tube couplers is to establish a connection that is both secure and dependable between scaffold tubes of different dimensions. These couplers have been specifically designed to accommodate a range of tube sizes, guaranteeing a sturdy and stable joint. Consequently, this feature allows for adaptability in scaffold construction, as the same couplers can be used to connect tubes of different sizes. It is, however, imperative to ensure that the couplers are compatible with the specific sizes of scaffold tubes being utilized in order to achieve a proper fit and secure connection. Furthermore, regular inspections and adherence to safety guidelines are of utmost importance to maintain the integrity of the scaffold structure when employing steel tube couplers to connect scaffold tubes of varying sizes.

Q: Are steel tube couplers suitable for scaffolding projects with complex and intricate designs?: Yes, steel tube couplers are suitable for scaffolding projects with complex and intricate designs. Steel tube couplers offer a strong and versatile connection between scaffolding tubes, allowing for various angles and configurations. This flexibility makes them ideal for accommodating complex and intricate scaffolding designs, ensuring stability and safety in the construction project.

Q: Are steel tube couplers compatible with other scaffolding accessories?: Yes, steel tube couplers are generally compatible with other scaffolding accessories. They are designed to connect and secure various components of a scaffolding system, such as tubes, boards, and fittings. This compatibility allows for flexibility and versatility in constructing scaffolding structures.

Q: A 85 kg scaffold is 6.2 m long. It is hanging with two wires, one from each end. A 440 kg box sits 1 m from the left end. What is the tension in the left hand side wire, in Newtons?(g = 9.8 m/s^2)Looking for the correct final numerical answer and a very short explanation. Thank you so much for your help!!: Fl-Tension in left wire Fr-Tension in the right wire Wire tensions act upwards, gravity forces (mg) act downwards. Look at a free body diagram of the scaffold. Sum the forces, they sum to zero. Fl+Fr-(440+85)g=0 Fl+Fr=525(9.8)=5145 N Sum the moments about the left hand side, they sum to zero (CW is positive). The center of mass of the scaffold is at the center of the scaffold. 440(9.8)(1)+85(9.8)(6.2/2)-Fr(6.2)=0 4312+2582.3-Fr(6.2)=0 Fr=6894.3/6.2=1112 N . . Fl+Fr=5145 Fl=5145-1112=4033 N

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