# Ball Valve UN model H/ZK-72-020 3/4" straight with butterfly handle, normally closed

**URL:** https://aio.lv/en/product--un-hzk-72-020--11821487
**Data updated:** 2026-03-09 11:09 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** UN
**Manufacturer code:** H/ZK-72-020
**EAN:** 5907798714193
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--un-hzk-72-020--11821487

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Straight ball valve by UN, model H/ZK-72-020, 3/4" nominal size, normally closed (N/CZ) configuration with a butterfly-style handle. Designed for on/off control of fluid flow in pipelines; suitable for water, heating and general industrial use where a compact, manually operated shut-off valve is required. Metal construction for reliable sealing and straightforward installation.

## Long description

UN model H/ZK-72-020 is a straight 3/4" ball valve with a butterfly-style handle and a normally closed configuration. The valve is designed for manual on/off control of fluid flow in pipelines and is suitable for water, heating systems and general industrial applications. Its metal construction provides a reliable shut-off and straightforward installation in systems that require a compact, manually operated isolation valve.
Advantages
The valve offers a compact design with a butterfly handle that enables quick manual operation and clear visual position indication. Metal construction ensures mechanical strength and improved sealing performance compared to non-metallic alternatives. The straight body design simplifies inline installation and reduces flow disturbances. The normally closed configuration is suitable where default shut-off is required for safety or maintenance.
Suitable for
 Domestic and commercial water supply lines
 Heating and radiator systems
 General industrial piping for non-corrosive fluids
 Service and maintenance isolation where a normally closed valve is preferred
Key specifications
 Nominal size: 3/4"
 Configuration: straight body
 Operation: manual butterfly handle
 Default state: normally closed (N/CZ)
 Material: metal body and ball (metal construction)
 Function: on/off shut-off valve
How to use
Install the valve inline with the pipeline following the flow direction indicated by the system design. Secure connections using appropriate fittings and ensure proper sealing at pipe joints. Operate the butterfly handle to open or close the valve: rotate the handle 90° to change between fully open and fully closed positions. Verify that the valve is fully seated in the closed position when isolation is required and periodically cycle the valve to prevent sticking in long-term installations.
Usage recommendations
For reliable performance, use this valve in systems carrying water, heating fluids or other non-corrosive media compatible with metal components. Avoid exposure to highly corrosive chemicals and extreme temperatures outside the valve's material limits. During installation, ensure correct alignment and proper torque on fittings; perform a pressure test after installation to check for leaks. Regular inspection and occasional operation of the valve will help maintain sealing performance and prevent buildup or sticking.

## FAQ

### How much does the UN ball valve H/ZK-72-020 3/4" cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 61 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 16.07.2026 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 UN 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 UN 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/11821487/67223653_large.webp