Metaloterm ATT 90 20

Metaloterm ATT 90 20




Inner pipe-inner pipe connection Sleeve
Designed acc. to NEN 7207 Yes
Insulation thickness 37,5 mm
Material insulating material Mineral fibre
Production method for inner pipe Seamless
Production method for outer pipe Seamless
RAL-number 0
Colour Other
Outer pipe connection with lip ring No
Outer pipe connection with clamping strip Yes
Outside pipe material Stainless steel
Material inner pipe Stainless steel
Quality class of inner pipe Stainless steel 316 L (1.4404)
Max. medium temperature (continuous) 600 °C
Surface treatment Untreated
Negative (negative pressure) Yes
Dry (non-condensing) Yes
Surface protection for outer pipe Untreated
Surface protection for inner pipe Untreated
Outer pipe wall thickness 0,4 mm
Wall thickness inner pipe 0,4 mm
Working length connection 1 500 mm
Length of connection 1 530 mm
Outer diameter, connection 2 275 mm
Angle of connection 3 (branch angle) 90 °
Diameter inner pipe 200 mm
Outer diameter, connection 1 275 mm
Outer diameter, connection 3 275 mm
Positive (overpressure) No
Wet (condensing) No
Length of connection 2 250 mm
Working length connection 2 250 mm
Working length connection 3 200 mm
Length of connection 3 200 mm
years Ontop


Ontop B.V. at ISH 2019

Ontop B.V. showcases flue gas systems at ISH 2019 in Messe, Frankfurt.

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Rais chooses the quality and design of Metaloterm!

Rais stoves and inserts stand for Danish design of the highest quality. And recently they have added chimney tubes to their collection. Ontop developed a special product line for Rais in the colours black, white, nickel, silver, mocha and platinum.

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Will you visit ISH 2019?

We are delighted to invite you to visit us on Messe Frankfurt in the Hall 11.1, E51 of the ISH Fair.

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F: +31 (0)118 68 99 99

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Ontop B.V. | Metaloterm

Metaloterm® is a trademark of Ontop B.V.