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China Zinc Spray Gun Suppliers | Factory for Weld Seam Galvanizing & Corrosion Protection Solution
Zinc Spray Gun for Tube Mill | Galvanizing Repair & Weld Seam Protection
In modern tube mill production, corrosion protection is not something you can ignore—especially at the weld seam. This is where a zinc spray gun becomes extremely practical.
Instead of relying only on traditional galvanizing, many factories today use zinc spraying as a fast and flexible way to repair damaged coating areas. It’s widely applied in weld seam protection, galvanized surface repair, and anti-rust treatment for steel pipes.
Compared with hot dip galvanizing, zinc spraying doesn’t require a full production process or immersion in molten zinc. It’s quicker, easier to control, and much more suitable for localized treatment or post-weld repair.
What is a Zinc Spray Gun?
A zinc spray gun is a thermal spraying device that melts zinc wire or powder and projects it onto a steel surface, forming a protective coating. In simple terms, it allows you to “rebuild” the zinc layer exactly where it is needed.
You’ll typically find it used in:
- 1 (1)ERW tube mills
- 2 (2)Steel pipe production lines
- 3 (3)Weld seam protection
- 4 (4)Galvanized pipe repair
Once applied, the zinc coating acts as both a barrier and a sacrificial layer, meaning it protects steel even if the surface is slightly damaged.
👉 That’s why it works so well in real factory conditions.
Instead of relying only on traditional galvanizing, many factories today use zinc spraying as a fast and flexible way to repair damaged coating areas. It’s widely applied in weld seam protection, galvanized surface repair, and anti-rust treatment for steel pipes.
Compared with hot dip galvanizing, zinc spraying doesn’t require a full production process or immersion in molten zinc. It’s quicker, easier to control, and much more suitable for localized treatment or post-weld repair.
FAB of our products
Key Features
- 1.High deposition efficiency (less zinc waste)
- 2.Stable and uniform spray pattern
- 3.Adjustable coating thickness
- 4.Compatible with zinc wire or powder
- 5.Designed for continuous industrial use
Technical Advantages
- 1.Lower zinc consumption
- 2.Improved weld seam consistency
- 3.Extended pipe service life
- 4.Reduced rejection rate
- 5.Easy integration into existing lines
Applications
- 1.Steel pipe and tube production
- 2.seam anti-corrosion
- 3.Repair of damaged galvanized surfaces
- 4.steel protection
- 5.Marine and outdoor equipment
Why Zinc Spray Gun is Important in Tube Mill
During high-frequency welding, the original galvanized layer at the seam is usually burned off. If nothing is done:
- ! 1.Rust can appear very quickly
- ! 2.Pipe durability drops
- ! 3.Export quality may fail inspection
Zinc spraying solves this problem directly. It restores the protective layer right after welding, helping the pipe maintain corrosion resistance without slowing down production.
From a practical standpoint, it’s not just protection—it’s quality control insurance.
Key attributes
| No. | Attribute | Detail |
|---|---|---|
| 1 | MOQ | 1 Set |
| 2 | Payment | T/T, 50% deposit, 50% before delivery |
| 3 | Warranty | 12 months |
| 4 | OEM | Available |
| 5 | Package | box |
Model
| Model NO. | Power (KW) | Gun amount | Wire diameter (mm) | Gas consumption (m³/min) | Application |
|---|---|---|---|---|---|
| SX-400 | 15 | 1 | 1.6-2 | 2.3 | (zinc, aluminum, partial repairing process) |
| SX-500 | 18 | 1 | 1.6-2 | 3 | (hardware repairing, small project construction) |
| SX-600 | 21.6 | 1 | 1.6-2 | 3 | (spray hard alloy wire, boiler construction) |
| SX-800 | 28.8 | 2 | 2 | 4.6 | (Spray zinc and aluminum in big area, works automatically) |
| SX-1000 | 36 | 2 | 2 | 4.6 | Project construction, big quantity process, works automatically |
| SX-2000 | 72 | 4 | 2 | 9.2 | Project construction, big quantity process, works automatically |
| SX-4000 | 144 | 8 | 2 | 18.4 | (Big project construction, long time spraying project, big quantity of spraying work) |
Company Strength
- ✓ (1) 10+ years experience in tube mill equipment
- ✓ (2) Complete production line (machining, assembly, testing)
- ✓ (3) Strict quality inspection system
- ✓ (4) Professional R&D team for customization
- ✓ (5) Large inventory & fast delivery
Our Service
Pre-sale:
Technical consultation & model selection
In-sale:
Production tracking & quality control
After-sale:
Installation guidance & spare parts support
Frequently Asked Questions (FAQ)
Q1: Why is a zinc spray gun necessary for tube mill production?
During high-frequency welding, the original galvanized layer at the weld seam gets burned off. A zinc spray gun restores this protective coating immediately after welding, preventing rapid rust formation and maintaining the pipe's overall durability.
Q2: How does zinc spraying compare to traditional hot-dip galvanizing?
Unlike hot-dip galvanizing, zinc spraying does not require a full production line process or immersion in molten zinc. It is a faster, more flexible, and easily controlled method that is ideal for localized repairs and weld seam protection.
Q3: What are the main applications of your zinc spray guns?
Our equipment is widely used in ERW tube mills, steel pipe production lines, weld seam anti-corrosion, galvanized pipe surface repairs, and general steel protection for marine and outdoor equipment.
Q4: How do I select the right model of zinc spray machine for my project?
Model selection depends on your production scale. For small repairs, models like the SX-400 (15KW) or SX-500 are suitable. For large-scale automated projects, we recommend high-capacity models like the SX-800 to SX-4000, which feature multiple guns and support automatic operation.
Q5: What are the transaction terms and warranty for your equipment?
We require a Minimum Order Quantity (MOQ) of 1 set. The payment terms are T/T (50% deposit and 50% before delivery). All our machines come with a 12-month warranty, and OEM customization is available.
Q6: What customer support services do you provide?
We offer comprehensive support throughout the purchase lifecycle: technical consultation and model selection during the pre-sale phase; production tracking and quality control during the in-sale phase; and installation guidance along with spare parts support in the after-sale phase.
Inquire Now!
For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.