# End cap (welded) for PE-RT pipes SiGMA-Li PERTZ25 — 25 mm

**URL:** https://aio.lv/en/product--sigma-li-pertz25--11825304
**Data updated:** 2026-03-09 11:14 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** SiGMA-Li
**Manufacturer code:** PERTZ25
**EAN:** 5902814627525
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sigma-li-pertz25--11825304

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Welded end cap for PE-RT piping systems by SiGMA-Li, model PERTZ25 for 25 mm PE-RT pipe diameter. Designed to close and seal the end of PE-RT pipes during installation, pressure testing or temporary shutdowns. Provides reliable mechanical closure compatible with PE-RT material and common plumbing use cases in heating and potable water installations.

## Long description

Welded end cap for PE-RT pipes by SiGMA-Li, model PERTZ25, is made to close and seal 25 mm PE-RT piping ends during installation, pressure testing or temporary shutdowns. The cap is compatible with polyethylene of raised temperature resistance (PE-RT) systems and provides a mechanically stable seal at the pipe terminus. It is suitable for heating circuits, potable water lines and other plumbing applications that use 25 mm PE-RT pipe.
Advantages
The welded end cap offers a secure mechanical closure designed to match the material properties of PE-RT, reducing the risk of leaks at the pipe end. Its welded connection ensures consistent sealing performance during pressure tests and temporary system isolation. The product is compact and simple to fit, allowing fast installation and removal when required, while maintaining compatibility with common PE-RT assembly techniques.
Suitable for
 Sealing the end of 25 mm PE-RT heating pipes during commissioning and testing
 Temporary shut-off of potable water PE-RT lines
 Closing unused branches in plumbing and underfloor heating manifolds
 Pressure testing and leak diagnostics in PE-RT pipe systems
Key specifications
 Material compatibility: PE-RT (polyethylene of raised temperature resistance)
 Intended pipe diameter: 25 mm
 Connection type: welded end cap designed for permanent or temporary closure
 Primary applications: heating systems, potable water distribution, underfloor heating manifolds
 Function: mechanical sealing of pipe end for testing and isolation
How to use
Prepare the 25 mm PE-RT pipe end by cutting square and removing any burrs or debris. Position the welded end cap on the prepared pipe end following the manufacturer's welding or fusion instructions for PE-RT materials. Ensure proper alignment and perform the welding/fusion operation using appropriate equipment and parameters for PE-RT. After cooling, verify the mechanical seal and perform pressure testing as required by the installation standards.
Usage recommendations
Use appropriate welding/fusion tools certified for PE-RT installations and follow local plumbing codes. Do not use the welded end cap on pipe diameters other than 25 mm. For long-term permanent closures, confirm compatibility with system operating temperatures and pressures specific to the installation.

## FAQ

### How much does the SiGMA-Li PERTZ25 welded end cap for 25 mm PE-RT cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 115 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 15.07.2026 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/11825304/67227059_large.webp