Qingdao Huashida Machinery Co., Ltd.
| Payment Terms | T/T,L/C,D/A |
| Supply Ability | 30 sets/year |
| Delivery Time | 60 days |
| Packaging Details | Standard Package for Export |
| Coating | Powder Coating |
| Coating Material | Epoxy Powder, Adhesive, Polyethylene |
| Surface Treatment | Grade≥SA2.5 |
| Specification | Φ 48mm– Φ 2400mm |
| Substrate | Steel |
| Coating Type | Internal, External |
| Heating Method | Induction Heating |
| Brand Name | hsd |
| Certification | CE, ISO, RoHS |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C,D/A | Supply Ability | 30 sets/year |
| Delivery Time | 60 days | Packaging Details | Standard Package for Export |
| Coating | Powder Coating | Coating Material | Epoxy Powder, Adhesive, Polyethylene |
| Surface Treatment | Grade≥SA2.5 | Specification | Φ 48mm– Φ 2400mm |
| Substrate | Steel | Coating Type | Internal, External |
| Heating Method | Induction Heating | Brand Name | hsd |
| Certification | CE, ISO, RoHS | Place of Origin | China |
| High Light | 3LPE coating line for steel pipes ，FBE and polyethylene pipe coating ，3LPE pipe production line with warranty | ||
The three-layer polyethylene (3LPE) process uses fusion-bonded epoxy (FBE) as the bottom layer, adhesive (AD) as the middle layer, and polyethylene (PE) as the outer layer. This structure provides superior corrosion protection for steel pipes, extending service life from 5-10 years to 50-100 years.
It is widely applied in oil and gas pipelines, as well as urban gas and water supply pipelines. The 3LPE coating offers high mechanical strength, excellent electrical insulation, and strong resistance to environmental degradation.
Technological Process
Pipe loading
Screw conveyor transportation
Rust removal & intermediate frequency heating
Epoxy powder coating (FBE)
Outer adhesive & PE coating (solid/liquid)
Cooling spray
Screw conveyor transportation
Grinding
Pipe unloading
Coating Structure & Thickness
First layer: Fusion bonded epoxy (FBE) > 100 μm
Second layer: Adhesive (AD) 170-250 μm
Third layer: Polyethylene (PE) 2.5-3.7 mm
Available Pipe Diameter Ranges (Four main models):
Φ48-219 mm
Φ219-1220 mm
Φ800-1600 mm
Φ1000-2400 mm
Descaling Grade: SA 2.5
Coating Thickness: 80-800 μm
Standards Compliance: SY/T0413-2002, GB/T23257-2009, DIN 30670, DIN 30678, American Corrosion Association, DNV, SY/T0315-2005, CNPC38-2002, and related international standards.
Production Capacity
Max. output: 3-8 km/day (depending on pipe diameter)
Annual capacity: 2 million m² (for Φ508 mm pipes)
| Steel pipe outside shot blasting derusting operation line | |||
| No. | Description | Qty. | Remarks |
| 1 | Transmission line | 1set | |
| 2 | Shot blasting derusting line | 1set | |
| 3 | Cyclone dust collector | 1set | |
| 4 | Pulse filter cartridge dust collector | 1set | |
| 5 | Centrifugal wind blower | 1set | |
| 6 | Derusting equipment electrical control system | 1set | |
| Steel pipe outside spiral 3PE production line | |||
| No. | Description | Qty. | |
| 1 | Coating transmit system | 1set | |
| 2 | Intermediate frequency heating system | 1set | |
| 3 | Epoxy spraying system | 1set | |
| 4 | Automatic feeding dryer | 2sets | |
| 5 | SJ-65/30 single screw high efficiency extruder | 1set | |
| 6 | SJ-120/30 extruder | 1set | |
| 7 | Hot melt adhesive extrusion die head | 1set | |
| 8 | PE sheet extrusion die head | 1set | |
| 9 | Hot melt adhesive/PE sheet press device | 1set | |
| 10 | Stainless steel spray powder chamber | 1set | |
| 11 | Cooling water spray system | 1set | |
Platform system | |||
| No. | Description | Qty. | |
| 1 | Steel pipe up load platform | 1set | |
| 2 | Derusting transition platform | 1set | |
| 3 | Finished pipe storage system | 1set | |
| 4 | Hydraulic system | 3sets | |
| Grooving system | |||
| No. | Description | Qty. | |
| 1 | PE grooving device | 2sets | |
| 2 | Hydraulic elevating pipe turner | 2sets | |
| 3 | Operating cabinet | 1set | |
Qingdao Huashida is one of the largest professional manufacturers and exporters of anti-corrosion and insulation equipment in China. With over 20 years of experience and strong R&D capabilities, we offer both standardized and customized solutions for global clients.
Our main products are:
Our team
Delivery
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Certifications
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
3000000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a... 1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...
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