Features, Applications and Advantages：
PTFE expansion joints are high-performance pipeline compensators designed
for harsh industrial piping systems. Replacing traditional metal and rubber joints,
these PTFE expansion joints effectively absorb pipeline thermal displacement,
mechanical vibration and installation errors, fully protecting pipelines,
valves and pump equipment from damage.
Featuring excellent chemical inertness, these PTFE expansion joints
deliver outstanding corrosion resistance against strong acids,
alkalis and organic solvents. They maintain stable performance
in -60°C to +260°C temperature ranges, with smooth inner walls
that prevent scaling and medium pollution. Adopting integral molding
technology, PTFE expansion joints achieve bubble-tight sealing,
with long service life and minimal maintenance costs.
Widely applicable across multiple industries, PTFE expansion joints serve chemical,
food, pharmaceutical, water treatment, oil and gas, power and metallurgy fields.
We supply standard and customizable PTFE expansion joints with strict
quality testing, providing cost-effective and reliable anti-corrosion pipeline
solutions for diverse harsh working conditions.
| Flange Standard | DIN, ANSI, BS, GB, JIS, EN 1092 |
| Material of flange | Carbon steel, Stainless Steel 304/316L |
| Rubber material | PTFE,PFA |
ABOUT US
Hebei Diefei Valve Co., Ltd., which was established in 1986,is a specialized factory gathering the medium and lower pressure valve developing, manufacturing and selling together. We established Crane Ningjin Valve Co., Ltd with Crane Valve USA in 1995.
Our main products are Butterfly valve, Check Valve, Gate Valve, Ball Valve, Valve Actuator and so on. These valves are available extensive to the pipelines of oil, metallurgy, chemical industry, medical, light textile, paper-making, water and electricity ,tap water company ,central air conditioning system etc.
We own perfect manufacturing process and testing way of casting, matching and assembling. We are authorized the Quality Management system certificate of ISO9001:2015, Environmental Management system certificate of ISO14001:2004,CE Certificate and the Approval of Manufacturer Certificate of DNV. Our company products are mainly sold to many large-scale agglomerations like CNPC, Sinoepc, CSPC, DAIKIN , Haier, Midea and etc. And exported to USA, Europe, Africa, Southeast Asia, Taiwan etc countries and area.
We are willing to serve our customers at home and abroad with our excellent products and services.
CERTIFICATE OF NSF61/372
PACKAING AND TRANSPORTATION
