# Metal stabilizing lining L-PST 21/2 (75-78) by Niczuk

**URL:** https://aio.lv/en/product--niczuk-80312107620--11828794
**Data updated:** 2026-03-09 14:37 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** Niczuk
**Manufacturer code:** 80312107620
**EAN:** 5907754262430
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--niczuk-80312107620--11828794

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

Metal stabilizing lining L-PST 21/2 (75-78) from Niczuk is a metal lining designed to stabilize and protect pipe or duct sections with a nominal size indicated by the model. It provides structural reinforcement and protection against deformation for installations requiring a durable metal reinforcement. Suitable for use in plumbing, ventilation, or construction repair where a fitted metal lining is needed.

## Long description

Metal stabilizing lining L-PST 21/2 (75-78) by Niczuk is a rigid metal insert designed to stabilize and protect sections of pipe or duct with the nominal size indicated by the model. Manufactured from corrosion-resistant sheet metal, the lining increases structural rigidity, prevents local deformation and supports fittings where a close, durable metal reinforcement is required. The product is intended for retrofit and repair tasks as well as new installations in plumbing, ventilation and general building services.
Advantages
The metal stabilizing lining provides reliable mechanical reinforcement while maintaining a compact profile suitable for confined spaces. Its corrosion-resistant surface offers extended service life in moist environments and reduces maintenance needs. The lining is shaped to ensure even contact with pipe walls, improving load distribution and reducing the risk of local buckling. Installation does not require special tools beyond standard plumbing equipment, enabling fast and secure fitting.
Suitable for
Reinforcing damaged or weakened sections of metal and plastic pipes
Stabilizing ducts and ventilation runs at joints or transition points
Repairing areas subject to mechanical stress or occasional impact
Providing a solid mounting surface for clamps, brackets and fittings
Key specifications
Material: corrosion-resistant sheet metal
Design: rigid stabilizing lining for nominal pipe size 21/2 (75–78 mm)
Shape: form-fit metal insert for internal reinforcement
Surface treatment: protective coating to resist moisture and mild corrosive conditions
Applications: plumbing systems, ventilation ducts, construction repair
How to use
Prepare the pipe or duct by cleaning the internal surface from debris, scale and corrosion residues. Verify the nominal internal diameter corresponds to the lining size (75–78 mm). Slide the stabilizing lining into the prepared section so it seats evenly against the inner wall; in some cases light tapping with a rubber mallet ensures proper positioning. Secure the lining in place using compatible clamps or brackets according to the installation requirements and check alignment before final tightening. After installation, inspect the joint for even contact and make any minor adjustments needed to ensure full support.
Usage recommendations
For best performance, use the lining in environments within normal temperature ranges for metal components and avoid prolonged exposure to highly acidic or alkaline fluids. When installing in corrosive environments, consider additional protective coatings or sacrificial anodes. Periodic visual inspection is recommended to verify continued integrity and to detect any signs of corrosion or loosening of fasteners.

## FAQ

### How much does the Metal stabilizing lining Niczuk L-PST 21/2 cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 21.07.2026 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 Niczuk 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 Niczuk 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/11828794/67229746_large.webp