TWPro MB - Pipe 500mm - Ø 80
At a Glance
- Premium dual-layer construction: 316L inner and 304 outer stainless steel
- 500mm length with an effective installed length of 465mm
- Compressed rockwool insulation (200kg/m³) for optimal thermal efficiency
- HETAS approved and CE marked for guaranteed safety
- High temperature black coating for enhanced durability
- Suitable for solid fuel, gas, and oil appliances
- Supplied locking band ensures secure, hassle-free assembly
- 50mm clearance from combustibles for added safety

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.
We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
- Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
- Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
- Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
The TWPro MB 500mm Pipe Ø 80 is a highly efficient, durable solution designed for use with solid fuel, gas, and oil appliances. Whether you’re operating a woodstove, gas coal effect fire, oil boiler, or gas boiler, this pipe ensures exceptional performance. Constructed with a robust 304 stainless steel outer skin and a 316 grade stainless steel inner skin, each 0.4mm thick, it promises longevity and reliability.
The pipe's insulation is compressed rockwool, boasting a density of 200kg/m³ for superior thermal efficiency. Fully welded parts and a high-temperature black coating add to its durability and aesthetic appeal. It maintains a safe distance of 50mm from combustible materials, making it a secure choice for any installation.
The TWPro series is HETAS approved and CE marked, ensuring compliance with stringent standards. For hassle-free installation, the pipe sections are securely fastened using the supplied locking band. It’s designed to fit seamlessly into your setup while offering an effective installed length of 465mm.
SKU: 37-80-011
Technical Specifications | |
---|---|
Pipe Diameter | 80mm |
Pipe Length | 500mm |
Effective Length | 465mm |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Outer Material | 304 Stainless Steel with high temperature black coating (0.40mm thick) |
Insulation | Compressed Rockwool, 200kg/mu00b3 |
Approval | HETAS, CE Marked |
Operating Temperature | Up to 600u00b0C |
Clearance | 50mm from combustibles |
Lock Fastening | Supplied locking band |
Standard Designation | EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, April 8th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro MB 500mm Pipe Ø 80 is a top-tier product in our range. Built with high-grade stainless steel and a high-temperature black finish, it's reliable and durable. Ideal for both retail and trade customers, we ensure timely nationwide delivery. A fantastic investment for any home or commercial space.
The TWPro MB 500mm Pipe Ø 80 is designed for use with various solid fuel, gas, and oil appliances, providing a durable, reliable solution for chimney flues.
National Flues is a leading supplier of fireplaces and flues in the UK, offering unbeatable prices, reliable nationwide delivery, and exceptional service to both retail and trade customers.
