Your Leading Clamp Supplier

 

Trust In Grid Co., Ltd. is a professional transformer manufacturer, specializing in the design and production of power transformer, high-voltage switchgear, power distribution equipment, energy storage systems (ESS), magnetic wire, bushing and machining parts. Our power transformers are available in 500KV, 330KV, 220KV, and 110KV models, and are widely used in power utilities, renewable energy systems (solar and wind), industrial facilities, data centers, transportation infrastructure, and OEM applications.

 

 
 
Why Choose Us?

 

Production Capacity

With 6 factories covering 240,000 m², over 2,000 employees, and 200+ engineers, we support large-scale projects and long-term global supply with more than 30 years of export experience.

Advanced Equipment

We operate a complete set of in-house production equipment, including cutting, winding, CNC machining, vacuum drying, and testing systems, with over 450 machines ensuring stable quality and efficient output.

Quality Control

All products are manufactured and tested in compliance with IEC, IEEE, ANSI, CSA, UL/cUL, CE, and ISO 9001:2015 standards, ensuring reliable performance and smooth international approval.

OEM & ODM Capability

Our engineering team provides OEM/ODM support, including customized design and technical optimization, delivering tailored solutions for utility, industrial, and renewable energy projects.

 

Channel Steel, Square Tube, Bending Clamp

 

Common Types of Clamp

Channel Steel, Square Tube, Bending Clamp
Our channel steel, square tube, and bending clamp series are precision-manufactured structural components designed for core clamping in dry-type and oil-immersed distribution transformers, ensuring winding alignment accuracy and long-term operational stability.

 

Triangular Clamp
Our triangular clamping frames for wound-core transformers feature 3D topology-adaptive design and fully automated intelligent manufacturing, delivering precise three-dimensional core constraint for enhanced reliability and reduced operational vibration.

 

Main Transformer Web Clamp
Our main transformer web-plate clamping frames feature high-strength box-type construction, delivering exceptional short-circuit withstand capability for 110–500kV power transformers.

 

Specifications of Clamp

 

Parameter

Description

Product Category

Transformer Clamp / Clamping Structure

Product Types

Channel Steel Clamp / Square Tube Clamp / Bending Clamp / Triangular Clamp / Main Transformer Web Clamp

Manufacturing Process

CNC Machining, Laser Cutting, Bending, Welding, Assembly

Material Options

Carbon Steel, Alloy Steel

Structure Type

Welded Frame / Box-Type Structure / Triangular Frame

Application Voltage Range

Distribution Transformers / 110kV – 500kV Power Transformers

Function

Core Clamping, Winding Fixation, Structural Reinforcement

Surface Treatment

Powder Coating / Painting / Galvanizing / Anti-corrosion Coating

Dimensional Tolerance

±0.1 mm – ±0.5 mm

Welding Standard

MIG / TIG / Submerged Arc Welding

Mechanical Strength

Designed for high mechanical load and short-circuit resistance

Vibration Control

Structural design to reduce vibration and noise

Assembly Compatibility

Compatible with dry-type and oil-immersed transformers

Standards Compliance

IEC, ANSI, ISO

Customization

Fully customizable based on drawings and technical specifications

Quality Control

Dimensional inspection, welding inspection, load testing

 

 
Advantages of Clamp
 
01/

3D TopologyAdaptive Design
Specifically developed for the helical structure of the triangular wound core, utilizing 3D modeling and mechanical simulation for optimization. The frame achieves highprecision contour matching with the core, ensuring uniform distribution of clamping force, effectively suppressing core vibration and noise, and enhancing transformer efficiency and durability.

02/

Global Standard Compliance
The product design and manufacturing processes comply with international standards such as IEC and IEEE. Materials are selected from globally certified highstrength steel, meeting regional specifications for mechanical strength, environmental adaptability, and safety.

03/

Fully Automated Intelligent Manufacturing
The core manufacturing process relies on robotic automated welding workstations and CNC machining centers. This enables digital control of welding parameters and millimeterlevel repeatable path accuracy, ensuring consistent weld penetration, aesthetically formed seams, and achieving the highest industrial standards for product structural strength and dimensional consistency.

04/

Batch Delivery Capability
The production line is configured for global batch orders and possesses flexible manufacturing capabilities. It can efficiently respond to largescale centralized procurement demands, supporting rapid delivery of standardized products and flexible adaptation to customized dimensions, ensuring supply chain stability for global customers.

 

 

Application Industries of Clamp

Food & Beverage Industry:
Used for connecting pipelines for milk, beer, juices, and water. They're especially suitable for CIP (Clean-in-Place) and SIP (Sterilize-in-Place) systems to maintain hygiene without dismantling equipment.

 

Pharmaceutical Industry:
Ideal for transporting liquids and active pharmaceutical ingredients in sterile conditions. Their design simplifies cleaning and validation processes.

 

Biotechnology & Medical Technology:
Critical in bioprocessing environments requiring ultra-pure connections compatible with sterile surroundings and single-use systems.

 

Cosmetics & Chemical Industry:
Applied in processes involving emulsions, gels, and liquids, thanks to their resistance to aggressive media (depending on material selection).

 

Home & Hobby Breweries:
Popular for their ease of installation, removal, and cleaning, making them a go-to choice for small-scale brewers.

Triangular Clamp

 

Order Process
 

Drawing Review

Submit your 2D drawings or 3D files. Our engineering team checks feasibility and key requirements.

Technical Evaluation

We review materials, structure, tolerances, and application conditions to ensure manufacturability.

Quotation

A detailed quotation is provided, including cost, lead time, and technical notes.

Sample / Prototype (if required)

Samples are produced for validation before mass production.

Mass Production

Production is carried out under controlled processes with consistent quality standards.

Inspection & Delivery

All parts undergo final inspection before secure export packaging and shipment.

 

Customization Options

 

Size: Customizable
Structure: Customizable
Material: Carbon steel (e.g., Q235, Q345), alloy steel
Logo: Customizable
MOQ: Customizable

 

Installation Notes of Clamp
 

Align Ferrules Properly

Ensure the flanges are parallel to avoid uneven gasket compression and leaks.

Use the Right Gasket

Select a gasket material compatible with the fluid and rated for the operating temperature and pressure.

Tighten Evenly

Apply consistent pressure to the clamp to avoid warping the flanges or damaging the gasket.

Inspect Regularly

Check for gasket wear, corrosion on clamps, or misalignment during routine maintenance.

 

Payment Terms
 

T.T with 30% downpayment, 70%before shipment.

Paypal or West Union also accept.

 

 

Our Service Highlights

 

 

Pre-Sales Consultation & Design Support
Early technical engagement to define requirements and deliver optimized solutions.

 

During Sales & Project Execution
Transparent project management with controlled production, quality tracking, and on-time delivery.

 

Warranty Advantage
Minimum 2-year warranty on all products, ensuring reliable and risk-free operation.

 

After-Sales Support
24/7 technical support with fast response, spare parts availability, and training services.

 

Long-Term Partnership
Lifelong technical support and upgrade guidance for sustained performance.

 

Packaging & Shipping

 

Packaging details:
Shockproof foam/moisture-proof film, professional export cartons/wooden crates/pallets.
Final assembly ensures mechanical integrity and readiness for transportation and installation. 

 

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Certificates

 

 

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FAQ

 

Q: What is the function of a transformer clamp?

A: It secures the transformer core and windings to maintain structural stability.

Q: What types of clamps do you offer?

A: We provide channel steel clamps, triangular clamps, and web-type clamps for different transformer designs.

Q: Are your clamps suitable for high-voltage transformers?

A: Yes, especially web clamps designed for 110kV to 500kV applications.

Q: Can clamps be customized based on drawings?

A: Yes, all products can be manufactured according to customer specifications.

Q: What materials are used for clamps?

A: Mainly carbon steel such as Q235 and Q345, with optional alloy steel.

Q: How do you ensure structural strength?

A: Through precise fabrication, controlled welding, and structural design verification.

Q: Do your clamps help reduce transformer vibration?

A: Yes, optimized designs help improve stability and reduce vibration.

Q: What surface treatments are available?

A: We offer painting, powder coating, and galvanizing for corrosion protection.

We're well-known as one of the leading clamp manufacturers and suppliers in China, also support customized service. Please feel free to buy high quality clamp made in China here from our factory. Contact us for more details.

Channel Steel Square Tube Bending Clamp, cnc parts s, clamp