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Spring Hanger Pipe Supports
spring hanger pipe supports are important support components for piping systems, providing support, position limiting, and vibration reduction during pipeline operation. They are designed based on the principle of moment balance.
Description
spring hanger pipe supports are important support components for piping systems, providing support, position limiting, and vibration reduction during pipeline operation. They are designed based on the principle of moment balance. Within the specified load-displacement range, the load torque and spring torque remain balanced. Therefore, when pipes and equipment supported by constant hangers are displaced, they maintain a constant support force without inducing additional stress. Constant hangers are generally used where displacement stress reduction is necessary, such as in power plant boilers, suspended steam, water, smoke, and air ducts and burners in power plants, as well as in petrochemical equipment and other locations where displacement stress reduction is necessary.
PRODUCT PARAMETERS
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Standard load range |
0.5 kN to 250 kN (approximately 50 kg to 25,000 kg) |
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Working displacement range |
30 mm to 300 mm (larger displacements can be customized upon request) |
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Applicable temperature |
-20℃ to +450℃ (standard environment) |
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Spring component material |
Spring steel (such as 60Si2MnA, 50CrVA), stainless steel (such as 304, 316) |
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Structural component materials |
Carbon steel (Q235B + coating) or stainless steel |
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locking device |
The standard configuration includes a transport locking device, which must be released after installation |
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Surface treatment |
Carbon steel parts: sandblasting and rust removal followed by epoxy coating; Stainless steel parts: passivation treatment. |
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Design Standards |
GB/T 17116.1, ASME B31.1, EJMA, ISO 9001 |
FUNCTION AND EFFECT
Load Support:
The primary function is to bear the weight of the pipeline and equipment, transferring the load to the building structure. This prevents sagging or deformation, ensuring the pipeline system maintains its correct spatial position and alignment as designed.
Displacement Compensation:
Spring hangers compensate for pipeline displacement caused by thermal expansion, pressure changes, and other factors. They automatically adjust their support force, allowing the pipeline to move freely within a set range. This reduces stress, prevents over-restraint, and protects the integrity and safety of the pipeline system.
APPLICATION SCENARIO
Thermal pipe system:
in the central heating and cooling system, the thermal pipe will produce thermal expansion and contraction with the change of medium temperature. The spring support hanger can effectively compensate the thermal displacement of the pipeline, ensure the safe and stable operation of the pipeline system, and improve the efficiency of heating and cooling.
Chemical pipeline system:
Pipelines in chemical production usually transport a variety of corrosive, flammable and explosive media, and the pipeline system is complex, and the support and displacement compensation requirements of the pipeline are high. The spring support hanger can provide reliable support and displacement compensation according to the characteristics and operation requirements of the chemical pipeline to ensure the smooth progress of chemical production.
Power pipeline system:
In power production enterprises such as thermal power plants and nuclear power plants, many pipeline systems such as steam pipelines and water pipelines need spring support and protection. It can ensure the safe operation of pipelines under harsh conditions such as high temperature and high pressure, and improve the reliability and safety of power production.
Air conditioning and ventilation system:
In the air conditioning and ventilation system of large shopping malls, office buildings, hospitals and other buildings, the layout of pipelines is more complex, and the thermal expansion and contraction and vibration of pipelines need to be taken into account. The spring support hanger can provide good support and displacement compensation for the air conditioning ventilation pipe, reduce noise and improve the comfort of the indoor environment.
CUSTOMIZATION SERVICES
Precise Load-Displacement Curve Customization
Based on your provided pipe stress analysis report, we reverse-calculate and optimize the spring characteristic curve to ensure that the load deviation is controlled within ≤4% (better than the standard 6%) within your specific displacement range, achieving optimal mechanical matching with the piping system.
Special Treatment for Extreme Environment Materials and Processes
For high temperatures >400℃ or highly corrosive environments, we provide a "heat-resistant stainless steel spring + special stabilized heat treatment" process and provide a material high-temperature relaxation performance test report to ensure the long-term performance stability of the spring under extreme working conditions.
Compact and Irregular Space Customization
When installation space is limited, we can provide "series spring groups," "horizontal layout," or "non-standard frame size" designs, reducing the occupied space by up to 40% while meeting the same load-displacement requirements.
Intelligent Operation and Maintenance Function Integration
An optional "wireless load-displacement monitoring module" is available to monitor the spring's working status in real time. Data can be transmitted through the Internet of Things platform for predictive maintenance. The bracket body is reserved with sensor interfaces and QR code digital identification tags.
Full Operating Condition Performance Verification
Before shipment, in addition to standard tests, customized products are provided with an additional "full-stroke load-displacement data recording curve" and a "fatigue life simulation test report" (based on the cyclic displacement data you provide) to verify its lifespan under your working conditions with actual measured data.
Global Standards and Rapid Response Customization
Design documents and nameplates can be provided according to different regional standards such as ASME, EN, DIN, and GOST. An emergency channel is available for urgent replacement needs due to unexpected failures, allowing for retesting, design, and delivery of the first replacement part within 7 days.
OUR FACTORY
production workshop
production equipment
Testing equipment
FAQ
Q: If the spring fails, are there any warning or monitoring methods?
A: A smart model with an integrated "load-displacement sensor" can be customized to monitor data in real time and set alarm thresholds. For standard models, regularly inspecting the pointer on the scale to see if it is outside the normal range is a direct method to determine if it has failed.
Q: What if the site space is narrow and the standard model doesn't fit?
A: We offer "compact" customized designs, such as using series springs, changing the frame structure, or using a horizontal layout, which can reduce the installation space by up to 40% while guaranteeing the same performance.
Q: How to determine whether a spring support or a rigid support should be used at a given location?
A: A simple principle: if the pipe at a given point experiences significant vertical thermal displacement during operation (typically >5mm) and needs continuous support, a spring support should be used. For fixed points, locations with no vertical displacement, or where sliding is permitted, a rigid support should be used.
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