DTW twin wall more info

N NUMBER: EXTERNAL:: EN 1856-2 T600-N1-D-V2-L50050-G50
EN NUMBER: INTERNAL:: EN 1856-2 T600-N1-D-V2-L50050-G70
INNER MATERIAL TYPE:: Premium 316 grade Stainless Steel
OUTER MATERIAL TYPE:: Premium 441 grade Stainless Steel
FUEL TYPE:: Suitable for burning wood, smokeless fuel, oil and other Hetas approved fuels
TEMPERATURE TEST:: Fire rated to T1000
COLOUR:: Black or silver
WARRANTY:: 30 Years
Key Features:
• 30mm mineral wool insulation
• Core material austenitic stainless steel grade 1.4404 (AISI 316L)
• Highest temperature test of T600 nominal and T1000 maximum
• 30 year warranty
• CE marked
• Bespoke parts made to order
• G70 when in an enclosure and G50 when not enclosed
• Quick clip locking bands