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Variable Spring Pipe Support

Variable spring pipe support are industrial pipe support devices primarily used to support vertically displaced power pipelines or equipment. Because they primarily rely on spring force to support loads, they are only suitable for applications with relatively small vertical displacements.

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Description

● Variable spring pipe support are industrial pipe support devices primarily used to support vertically displaced power pipelines or equipment. Because they primarily rely on spring force to support loads, they are only suitable for applications with relatively small vertical displacements. Their load capacity ranges from 20 daN to 21,000 daN.

● Variable spring pipe support incorporate cylindrical coil springs. While carrying loads, they can adapt to thermal displacement of the pipeline or equipment and absorb vibration, providing a vibration-damping effect. Furthermore, they are more economical than constant-force supports, making them widely adopted by designers where stress calculations allow.

● Variable spring pipe support are primarily used in power plants and chemical refineries where pipelines or boiler equipment experience limited vertical displacement.

PRODUCT PARAMETERS

Standard load range	0.5 kN~200 kN
Working displacement range	30 mm ~ 250 mm
Spring stiffness	Based on calculations of load and displacement requirements, multiple stiffness options are available.
Load change rate	Within the rated travel range, the ratio of the load variation to the rated load can be adjusted according to design requirements.
Applicable temperature	-20℃ ~ +350℃
Material	High-quality spring steel (such as 60Si2MnA); carbon steel (Q235B) or stainless steel structural components
locking device	The standard configuration includes transport locking devices, which must be released during installation
Surface treatment	Carbon steel parts: epoxy resin coating; stainless steel parts: passivation treatment
Implementation standards	GB/T 17116.1, ASME B31.1, EJMA

KEY FEATURES

Lower Cost

While ensuring safety, it offers a 30%-50% lower cost than constant force supports.

Precise Load-Displacement Matching

Through precise design of spring stiffness and stroke, the support force change strictly follows the pipe displacement, effectively controlling secondary pipe stress and avoiding overload at equipment interfaces.

Safe and Reliable

The core spring undergoes shot peening strengthening and setting treatment. Each unit is tested for full-stroke "load-displacement" before leaving the factory, and a data label is attached to ensure true and reliable performance and long service life.

Flexible Engineering Adaptability

Provides multiple standard stiffness options, supports rapid customization of non-standard stiffness, non-standard stroke, and compact designs, and can flexibly adapt to various space constraints and special working conditions.

Maintenance-Free and Easy Installation

Designed for maintenance-free operation, it comes standard with clear cold/hot state positioning scales and transport locking devices. During installation, simply position according to the scale and release the lock, reducing installation and subsequent maintenance costs.

APPLICATION AREAS

Industrial Modular Plant Piping: Pre-installed in complete equipment modules for easy overall transportation and rapid installation.

Food and Beverage and Light Industry: Supports process piping with moderate temperatures (such as steam, hot water), meeting basic thermal compensation needs.

General Manufacturing Workshop Piping: Used for non-critical auxiliary pipelines such as compressed air and circulating water, economical and reliable.

Renovation and Expansion Projects: As an economical solution for upgrading existing rigid supports for thermal stress.

PACKAGING SERVICES

Key Protection

Springs are coated with anti-rust grease and covered with film, moving parts are sprayed with anti-rust agent, and locking devices have warning labels.

Inner Box Fixing

The product is wrapped with cushioning material and placed in a reinforced cardboard box, with internal filling to prevent shaking.

Clear Identification

The outer box is printed with product information and lifting marks, and the box contains installation diagrams and data QR codes.

Sea Freight Strengthening

The cardboard box is covered with waterproof film, and multiple boxes are combined and packed into a fumigated wooden box with internal fastening.

FACTORY SHOWCASE

production workshop

production equipment

Testing equipment

Testing Equipment

FAQ

Q: What are the two most critical parameters when selecting a model?

A: The core parameters are the cold/hot state load and the vertical displacement amount and direction. The load determines the spring specifications, and the displacement determines the spring stroke and stiffness. Both together ensure that the support performance matches the piping.

Q: Do you support non-standard customization?

A: Supported features include customizable stiffness, non-standard stroke lengths, compact dimensions, or specific corrosion resistance requirements.

Q: Is the packaging suitable for long-distance sea transport?

A: It uses rust-proof packaging and features robust transport locks to prevent damage to internal mechanisms during transit. The packaging meets export standards and includes clear installation markings.

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