The PTFE lined elbows manufactured by Hebei Guoneng Piping feature a composite structure comprising a metal outer shell and a polytetrafluoroethylene (PTFE) inner lining, offering a combination of excellent pressure-bearing capacity and superior corrosion resistance.
Product Specifications
|
Nominal Diameter |
DN15 ~ DN600 |
|
Elbow Angle |
45°,90°(Custom angles available) |
|
Working Pressure |
≤ 2.5 MPa (Max. 10 MPa) |
|
Shell Material |
Carbon Steel (20#), Stainless Steel (304/316L) |
|
Lining Material |
Polytetrafluoroethylene (PTFE) |
|
Connection Type |
Flange (HG/T, ASME), Welded, Threaded |
Key Features
Corrosion Resistance
This material resists acids, bases, oxidizers and solvents. It has high chemical stability.
01
High/Low Temperature Resistance
It works well in temperatures from -200°C to 260°C. It stays stable over time. Handles extreme temperature changes.
02
Non-Stick & Anti-Clogging
The surface has low friction. This prevents materials from sticking and buildup from forming which helps prevent pipeline blockages.
03
High Electrical Insulation
It has electrical insulation properties. This prevents electricity from building up making it good for moving high-purity fluids.
04
Aging Resistance
It keeps its integrity without aging or cracking even when used outside or in conditions, for a long time.
05
PTFE lined elbows Applications
Chemical Industry: Anti-corrosion piping systems
Electronics/Semiconductors: High-purity chemical transport lines
Environmental Protection: Acid and alkali wastewater treatment
Food Industry: Sanitary-grade fluid transport
New Energy: Transport of corrosive media in photovoltaic, lithium-ion battery, and related industrie
Quality Control

PTFE resin utilizes virgin-grade raw materials; steel materials are accompanied by material certificates.
Every product undergoes spark testing (to detect pinhole defects in the lining).
Hydrostatic pressure testing is conducted at 1.5 times the design pressure.
Full-dimensional inspections are performed in accordance with industry standards or customer-provided drawings.
FAQ
Q: Is product customization available?
A: Yes, we support customization of dimensions, pressure ratings, flange standards, and special structures based on customer requirements.
Q: Do you provide technical support?
A: Yes, we do. This includes product selection advice, installation guidance, and after-sales technical services to ensure the smooth implementation of your project.
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