# Safety Relief Valve Afriso 42425 DN20, 6.0 bar, AED MSW 3/4x1"

**URL:** https://aio.lv/en/product--afriso-42425--11836149
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** Afriso
**Manufacturer code:** 42425
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 13.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--afriso-42425--11836149

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Afriso safety relief valve model 42425 with nominal diameter DN20 and set pressure 6.0 bar. Constructed in AED MSW design with 3/4x1" threaded connections, it protects piping and equipment from overpressure by releasing excess fluid or steam when pressure exceeds the set value. Suitable for heating, hot-water and industrial systems requiring reliable pressure relief and conformity with system safety requirements.

## Long description

Afriso safety relief valve 42425 DN20, set to 6.0 bar, is designed to protect piping and equipment by releasing excess fluid or steam when system pressure exceeds the set value. Built in the AED MSW design with 3/4x1" threaded connections, this valve provides a compact pressure-relief solution for heating, hot-water and industrial systems that require controlled overpressure protection and conformity with safety requirements.
Advantages
The valve offers precise pressure relief at the specified set pressure of 6.0 bar and is manufactured to ensure stable operation under repeated discharge cycles. Its AED MSW construction and threaded 3/4x1" connections simplify installation and replacement in existing pipework. The DN20 nominal diameter balances flow capacity and compact size, making it suitable for a range of applications without the need for extensive modification of system layouts.
Suitable for
Closed heating systems and boiler installations
Hot-water systems in residential and commercial buildings
Industrial process lines requiring pressure protection up to 6.0 bar
Retrofit and replacement projects with 3/4x1" threaded connections
Key specifications
Nominal diameter: DN20
Set pressure: 6.0 bar
Design: AED MSW
Connection type: threaded 3/4x1"
Application: pressure relief for fluid or steam
How to use
Install the Afriso safety relief valve in the appropriate location on the pressure vessel or piping according to system design and local safety regulations, ensuring correct orientation and secure threaded connections. Verify that the set pressure of 6.0 bar matches system requirements before commissioning. After installation, perform a functional test to confirm the valve opens and re-seats properly at the specified pressure. Maintain access for inspection and periodic testing as required by operational procedures.
Usage recommendations
Use this valve where a 6.0 bar safety relief setting is appropriate and where 3/4x1" threaded connections are compatible. Follow manufacturer guidance and local codes for installation, venting of discharge, and routine testing. Ensure the valve is protected from freezing, corrosion and excessive mechanical stress to preserve reliable operation.

## FAQ

### How much does the Safety Relief Valve Afriso 42425 DN20 6.0 bar cost, and is it available for purchase?

The price is 15.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 55 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 06.07.2026 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/11836149/68532354_large.webp