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Constant Spring Hanger Support
constant spring hanger support are widely used in piping systems, mechanical equipment, and other fields. They maintain a relatively constant load at the support point when the pipe or equipment moves.
Description
constant spring hanger support are widely used in piping systems, mechanical equipment, and other fields. They maintain a relatively constant load at the support point when the pipe or equipment moves. constant spring hanger support utilize specially designed and manufactured springs to maintain a relatively constant load at the support point, ensuring stable support for pipes and equipment.
PRODUCT PARAMETERS
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Working principle |
Based on the principles of levers and torque balance, constant load is achieved. |
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Standard load range |
1 kN ~ 120 kN |
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Working displacement range |
40 mm ~ 300 mm (垂直方向) |
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Load deviation rate |
≤ 6% (Within the rated full travel range) |
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Applicable temperature |
-20℃ ~ +400℃ |
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Main materials |
Springs: High-quality spring steel (60Si2MnA) / stainless steel (304); Structural components: Carbon steel / stainless steel |
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Surface treatment |
Carbon steel parts: epoxy resin coating; stainless steel parts: passivation treatment |
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Implementation standards |
GB/T 17116.1, ASME B31.1, EJMA |
STRUCTURAL COMPOSITION
The spring assembly is the core component of a constant-force spring hanger, typically made of high-elasticity, high-strength spring steel. The spring's design is precisely calculated to ensure a constant spring force within a defined range of displacement.
The casing protects the spring from damage by dust, moisture, corrosive substances, and other external factors, thereby extending its service life. The casing also serves as a guide, ensuring the spring moves in the correct direction during expansion and contraction.
The load adjustment device allows precise adjustment of the initial load of the constant-force spring hanger to meet the support requirements of different pipes or equipment. Common adjustment methods include threaded and screw adjustment.
Connecting components, including rods, bolts, and nuts, connect the constant-force spring hanger to the pipe, equipment, or building structure, ensuring the hanger is securely mounted in its intended location and reliably transmitting the load.
WORKING PRINCIPLE
constant spring hanger support utilize the elastic deformation properties of springs to achieve constant force output. When a pipe or piece of equipment experiences vertical displacement, the spring compresses or extends accordingly. Within the design range, changes in spring force and displacement offset each other, maintaining a nearly constant load at the support point. This means that regardless of whether the pipe or piece of equipment moves upward or downward, the constant-force spring hanger provides stable support, preventing additional stress on the pipe or piece of equipment caused by varying loads.
FEATURE
Constant load:
This is the most significant advantage of constant force spring hangers. The load at the support point remains essentially constant throughout the operation of the pipeline or equipment, effectively reducing stress concentration on the pipeline and equipment caused by load fluctuations, thereby ensuring system safety and stability.
Displacement compensation:
This system compensates for displacement of the pipeline or equipment due to thermal expansion and contraction, mechanical vibration, and other factors, allowing the pipeline to move freely within a certain range and avoiding damage caused by restricted displacement.
Easy installation:
Constant force spring hangers have a relatively simple structure and are easy to install. Generally, the hanger simply needs to be installed in the designated location according to the design requirements and properly adjusted and secured.
Long service life:
Due to its high-quality spring material and rational design, constant force spring hangers have a long service life. Under normal operating conditions, they provide long-term stable operation, reducing maintenance and replacement costs.
OUR FACTORY
Cangzhou Zhiang Pipe Equipment Manufacturing Co., Ltd. has fixed assets of 60 million RMB, covers an area of 40,000 square meters, and employs 350 people. The company has introduced advanced production lines with an annual production capacity of 80,000 tons. Our products are widely used in power generation, petrochemical, mining, and general industrial fields, and are subject to a strict quality control system.
production workshop
production equipment
Testing equipment
FAQ
Q: What does "constant force" mean in Constant Spring Hanger Support?
A: To what extent is it constant? "Constant force" means that the support force provided by the hanger changes very little throughout the entire thermal displacement process of the pipeline. The industry standard is a load change rate of ≤ 6%, while our products, through precise lever design, can usually control it to ≤ 4%, ensuring minimal stress fluctuations in the pipeline system.
Q: In international projects, how can you prove that your constant force performance is real and reliable?
A: We provide double verification: firstly, a "full-stroke load-displacement measurement curve" is included with each hanger upon delivery; secondly, we can arrange for a third-party certification body (such as BV or TÜV) to conduct on-site witnessed testing to verify whether the load change throughout the entire process meets the nominal value.
Q: Is its installation and commissioning much more complicated than variable force hangers?
A: It requires higher precision. The key is to strictly follow the drawings for "cold state pre-installation" and ensure that the lever rotation device is in a vertical free state. We provide video guidance and on-site commissioning services.
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