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PTFE expansion joint 03
- Commodity name： PTFE expansion joint 03
- Product description
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Product Overview
PTFE expansion joint is a high-performance pipeline compensation element, made of pure polytetrafluoroethylene (PTFE) or PTFE composite materials, specifically designed to solve thermal displacement, mechanical vibration, and installation deviation problems in pipeline systems. The product features excellent corrosion resistance and temperature resistance, making it an ideal choice for corrosive media pipelines in chemical, power, pharmaceutical, and other industries.
Product Structure
Main Material ：
Pure PTFE or PTFE Composite Material (Fiberglass/Metal Mesh Reinforced)
Working Temperature Range: -50℃~+250℃ (up to 280℃ for short periods)
Connection Method ：
Flange Connection (HG/T, GB, ANSI, and other standards)
Clamp Connection (for small diameter quick installation)
Reinforcement Structure (Optional):
Metal Bellows Lined with PTFE (for high-pressure conditions)
PTFE Fiber Braiding Reinforcement (to improve mechanical strength)
Product Features
Super Corrosion Resistance : Resistant to all strong acids, strong alkalis, and organic solvents except molten alkali metals
Excellent Compensation Performance : Can absorb axial, lateral, and angular displacement, with compensation up to ±50mm
Lightweight and Durable : Only 1/3 the weight of metal expansion joints, with long anti-aging life
Zero Maintenance Design : PTFE material is self-lubricating, requiring no regular maintenance
Safe and Reliable : Burst pressure can reach 4-6 times the working pressure
Application Areas
Chemical Industry : Strong corrosive media pipeline systems such as sulfuric acid and hydrochloric acid
Environmental Protection Engineering : Flue gas desulfurization (FGD), wastewater treatment facilities
Pharmaceutical and Food : High-purity media transport, compliant with GMP/FDA standards
Energy and Power : Heating pipelines, boiler exhaust gas treatment systems
Specifications
Nominal Diameter Range : DN25~DN2000 (supports custom non-standard orders)
Pressure Rating : 0.1~2.5MPa (reinforced type up to 4.0MPa)
Compensation Amount ：
Axial: ±10~50mm
Lateral: ±5~30mm
Angular: ±5°~15°
Executive Standards : GB/T 12777, EJMA, etc.
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West Industrial Park, Jing County, Hengshui City, Hebei Province