# Fitting elbow SiGMA-Li PERTKW2012 – welded GW 20x1/2 for PE-RT piping

**URL:** https://aio.lv/en/product--sigma-li-pertkw2012--11825002
**Data updated:** 2026-03-09 11:14 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** SiGMA-Li
**Manufacturer code:** PERTKW2012
**EAN:** 5902814627433
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.49 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 5.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sigma-li-pertkw2012--11825002

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Welded elbow fitting SiGMA-Li model PERTKW2012 designed for PE-RT piping systems. Connection: GW (female thread) 20x1/2. Suitable for joining and redirecting PE-RT pipes in heating and plumbing installations. Intended for professional and DIY use where a threaded female 1/2" connection to PE-RT piping is required.

## Long description

Welded elbow SiGMA-Li PERTKW2012 is a pipe fitting designed for PE-RT piping systems. It provides a welded connection to PE-RT pipes and features a female threaded connection sized 20x1/2 to accept standard 1/2" male threaded components. The fitting is intended for redirecting flow and creating compact angled transitions between PE-RT lines and threaded devices in heating and plumbing installations. The construction is suitable for both professional installers and experienced DIY users who require a reliable threaded interface to PE-RT systems.
Advantages
This welded elbow combines a secure welded joint for PE-RT piping with a standardized female thread, enabling a tight mechanical connection to valves, radiators, manifolds or other threaded components. The design minimizes the need for additional adapters, reduces potential leak points compared with multiple joint assemblies, and allows a compact installation in confined spaces. Materials and welding method are chosen to maintain long-term sealing and dimensional stability under typical service temperatures for PE-RT systems.
Suitable for
Connecting PE-RT pipes to 1/2" male threaded fittings
Redirecting flow in heating circuits and potable water installations
Compact installations where an angled transition to a threaded device is required
Professional plumbing and heating contractors as well as competent DIY installations
Key specifications
Connection type: welded joint for PE-RT on one end and female thread on the other
Thread size: 20x1/2 (female)
Application: heating systems, plumbing and potable water circuits using PE-RT pipe
Function: 90-degree elbow for redirecting flow
Compatibility: designed to interface with PE-RT piping materials
How to use
Prepare the PE-RT pipe end according to the welding procedure recommended for the piping system, ensuring a clean, square cut and proper insertion depth. Perform the welding process with the appropriate butt or socket welding equipment specified for PE-RT materials to form a durable joint. After the welded connection has cooled and been inspected, screw the male threaded component into the female 20x1/2 thread using suitable sealing method for the mating part if required (for example, PTFE tape on the male thread where allowed). Check the assembly for alignment and pressure integrity before placing the section into service.
Lietotāja ieteikumi
Use appropriate tools and follow local codes and manufacturer welding instructions. Verify compatibility of threaded mating parts and observe recommended working pressures and temperatures for PE-RT systems. Perform pressure testing after installation to ensure leak-free connections.

## FAQ

### How much does the SiGMA-Li PERTKW2012 welded elbow GW 20x1/2 cost, and is it available for purchase?

The price is 6.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 56 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 23.07.2026 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 SiGMA-Li 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 SiGMA-Li 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/11825002/67226834_large.webp