# Safety Relief Valve Afriso AED 3/4x1' DN20 3.0 bar

**URL:** https://aio.lv/en/product--afriso-42391--11836443
**Data updated:** 2026-03-09 14:50 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** Afriso
**Manufacturer code:** 42391
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 11.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--afriso-42391--11836443

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Safety relief valve Afriso AED with connection size 3/4x1' and nominal diameter DN20, set to open at 3.0 bar. Designed to protect pressure systems from overpressure by releasing fluid when the preset pressure is exceeded. Suitable for heating, hot-water and industrial systems where controlled pressure relief is required.

## Long description

The Afriso AED safety relief valve with connection size 3/4x1' and nominal diameter DN20 is engineered to protect pressurized systems by opening at a preset 3.0 bar. Intended for use in heating, hot-water and industrial installations, this valve releases fluid when system pressure exceeds the set point to prevent damage to piping, vessels and equipment. The design supports reliable pressure control while remaining compact and compatible with common pipeline fittings.
Advantages
This safety relief valve provides a fixed opening pressure of 3.0 bar, ensuring repeatable and predictable pressure relief. The valve’s DN20 nominal diameter and 3/4x1' connection make it suitable for standard heating and hot-water circuits. Constructed for durability in typical installation environments, the valve offers stable operation with minimal maintenance requirements and straightforward integration into existing systems.
Suitable for
Central heating systems and boilers
Domestic hot-water installations
Closed industrial pressure systems requiring overpressure protection
Hydraulic circuits with compatible connection sizes
Key specifications
Set opening pressure: 3.0 bar
Nominal diameter: DN20
Connection size: 3/4x1' compatible with standard pipe fittings
Function: automatic pressure relief to protect systems from overpressure
Typical applications: heating, hot-water and industrial fluid systems
How to use
Install the valve in the system at a location where pressure relief discharge can be safely routed away from personnel and equipment. Ensure correct orientation and proper sealing of the 3/4x1' connection to the piping. The valve is factory-set to open at 3.0 bar and requires no user adjustment for the specified set point. After installation, test the system under controlled conditions to confirm correct operation and check for any leaks around connections.
Usage recommendations
Place the valve where discharged fluid can be drained to a safe location and provide regular visual inspection for leaks or corrosion. Do not block the outlet and ensure that the operating temperature and fluid type are compatible with the valve’s materials. Periodic functional testing and maintenance in accordance with local codes and system manufacturer guidance will help ensure continued protection against overpressure.

## FAQ

### How much does the Afriso AED safety relief valve DN20 3.0 bar cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 52 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 03.07.2026 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 Afriso 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 Afriso 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/11836443/68548203_large.webp