# SpiroFlex pipe reducer RED200/180-OC — concentric reducer Ø200 to Ø180 mm (galvanized)

**URL:** https://aio.lv/en/product--spiroflex-red200180-oc--11822922
**Data updated:** 2026-03-09 11:11 (EET)
**Category:** Ventilation Filters
**Manufacturer:** SpiroFlex
**Manufacturer code:** RED200/180-OC
**EAN:** 5907710914861
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--spiroflex-red200180-oc--11822922

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Concentric pipe reducer SpiroFlex RED200/180-OC for ventilation and duct systems, reducing diameter from 200 mm to 180 mm. Fabricated in galvanized steel (OC), it provides a secure transition between round ducts of different sizes. Suitable for HVAC installations, exhaust lines and air distribution where reliable mechanical fit and corrosion resistance are required.

## Long description

SpiroFlex concentric pipe reducer RED200/180-OC is a galvanized-steel transition piece designed to join round ductwork with diameters of 200 mm and 180 mm. Intended for ventilation, HVAC and exhaust systems, the reducer ensures a smooth change in duct size while maintaining mechanical stability and corrosion resistance. Its concentric shape keeps the airflow centred and helps preserve system balance during diameter transition.
Advantages
The reducer is fabricated from galvanized steel to provide protection against corrosion and to withstand typical HVAC environmental conditions. Its concentric design offers consistent airflow direction and reduces turbulence at the connection point. The product is compatible with standard round ducts and is engineered for a reliable mechanical fit, enabling straightforward installation and long service life in ventilation and exhaust applications.
Suitable for
Ventilation ducts in residential and commercial HVAC systems
Exhaust lines in kitchens, bathrooms and technical rooms
Air distribution systems requiring a reduction from Ø200 mm to Ø180 mm
Retrofit or modification projects where matching different duct sizes is needed
Key specifications
Material: galvanized steel for enhanced corrosion resistance
Type: concentric reducer to maintain centred airflow
Input diameter: 200 mm
Output diameter: 180 mm
Shape: round duct transition piece
Typical applications: HVAC, ventilation, exhaust systems
How to use
Position the larger end of the reducer onto the Ø200 mm section of the duct and secure it using appropriate clamps, rivets or duct connectors compatible with galvanized steel. Align the smaller end with the Ø180 mm duct section and fasten it to achieve an airtight mechanical connection. Ensure the reducer is installed concentrically to keep airflow balanced and inspect seals and joints for leaks after installation. For best results, follow local ventilation standards and the installation practices used for round metal ductwork.
Usage recommendations
Before installation, confirm the diameters of existing ducts and ensure all mating edges are clean and free of damage. Use corrosion-resistant fasteners and apply joint sealant or tape where an airtight connection is required. Avoid sharp bends immediately upstream or downstream of the reducer to minimise pressure losses and turbulence.

## FAQ

### How much does the SpiroFlex RED200/180-OC pipe reducer Ø200→Ø180 cost, and is it available for purchase?

The price is 19.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 07.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All SpiroFlex products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized SpiroFlex service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11822922/67224935_large.webp