Teflon® 440 Series
2 & 3 Arch Styles
"Tef-Flex connectors are highly flexible,
dependable and versatile."
Tef-Flex 442 and 443 Convoluted PTFE Bellows
Expansion Joints and Flexible Couplings offer
the best combination of low spring-rate flexibility,
temperature resistance, and the chemical inert
properties of PTFE material. The “Tef-Flex” 442
2-Convolute Flexible Coupling and 443 3-Convolute
Expansion Joint were designed to meet the
needs of the HVAC, high-technology, and chemical/
petrochemical industries. The “Tef-Flex” bellows
connectors are versatile and will 1) absorb
pipe movements and stress; 2) isolate mechanical
vibration; 3) reduce system noise; 4) protect
against surge forces. “Tef-Flex” connectors are
suitable for connection to metallic piping or plastic
lined metallic piping.
The construction of the “Tef-Flex” connector
uses 2, 3, or even 5 molded convolutions of white
PTFE. These convolutions are reinforced with
metallic rings between the bellows for pressure
rating and stability. Standard ductile iron backing
flanges are protected by the lip of the PTFE
bellows, so that all wetted surfaces are PTFE.
Steel limit rods are factory installed. Additional
convolutions provide greater movement capability.
Styles 442 & 443 include Options include
high purity cleaning and packaging.
*Contact us for larger sizes.
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