Heating water
Air conditioning water
Oil-free compressed air
Nitrogen
Glycol
CC
12 bar max
-35°C+90°C
Small diameters with solid flanges
NT Series
- CC
- AR/CN
- EPC
- GZ
- YP
- TE
- DN 20 to 32
- 12 bar
- L 150 mm
- Removable counter flanges
The NT series, available in three diameters, is recommended for flanged and permanent installations. It withstands both pressure and vacuum and is particularly well-suited to angular movements.
Table of Dimensions and Mechanical Performance
The main information relating to the NT series is summarized below: dimensions, service conditions, reaction force...
Technical Specifications - Dilatoflex® NT
Maximum permissible displacements (maximum values do not apply simultaneously)
| Series | Nominal diameter | DN | Nominal length Ln (mm) | PN 10 | PN 16 | Class 150 | PS (bar) | Vacuum ring required if vacuum greater than | Axial Compression Ln-Lc (mm) | Axial Elongation Le-Ln (mm) | Lateral Shearing R (mm) | Angular Angle α° (degree) | Reaction force (daN) | Approximate mass (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NT | 3/4 | 20 | 150 | X | X | X | 12 | 100% | 12 | 8 | 10 | 30 | 4 | 0.4 |
| NT | 1 | 25 | 150 | X | X | X | 12 | 100% | 15 | 8 | 10 | 25 | 6 | 0.4 |
| NT | 1 1/4 | 32 | 150 | X | X | X | 12 | 100% | 15 | 8 | 10 | 20 | 8.5 | 1.4 |
Notes:
(1) Other drillings available (e.g. PN6, PN25, PN40, BS 10D-E). Contact us to discuss your requirements.
(2) Within the limit of the nominal pressure of the connection template used.
(3) Expansion joints to be mounted with 2-part counter-flanges in bichromated zinc-plated steel, galvanized steel, stainless steel.
Tube quality and operating temperatures
The NT series is available in all the qualities of the other Dilatoflex® series.
AR/CN
Abrasive products
Corrosive products
Industrial water
Sea water
Low temperature water vapor
Oil-free compressed air
Nitrogen
Corrosive products
Industrial water
Sea water
Low temperature water vapor
Oil-free compressed air
Nitrogen
12 bar max
-35°C+90°C
EPC
Food products (IANESCO)
-25°C+95°C
GZ
Gaseous compressed air, fuel oil, petroleum products with aromatic content < 40%, domestic water
-20°C+90°C
YP
Strong acids and bases, harsh chemicals
-25°C+100°C
TE
Industrial water, acidulated water, diluted acids and bases
-25°C+100°C
Need technical assistance?
Our team is at your disposal to assist you in the selection and sizing of your Dilatoflex® expansion joints
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FREQUENTLY ASKED QUESTIONS
Frequently Asked Questions
Counter flanges are available in steel and stainless steel. For steel counter flanges, a zinc-based anti-corrosion coating or hot-dip galvanizing is available.