# Apator fi12 Coupling for RA 4001250 and RAB 1, 2, 3 Series

**URL:** https://aio.lv/en/product--apator-53-944917-031--12450380
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Home Appliance Accessories
**Manufacturer:** Apator
**Manufacturer code:** 53-944917-031
**EAN:** 5906739025466
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--apator-53-944917-031--12450380

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Apator fi12 coupling is a specialized component designed for seamless integration with RA 4001250 meters and RAB 1, 2, and 3 series devices. This precision-engineered part ensures a secure and reliable connection, maintaining the operational integrity of your metering equipment. Ideal for professional installation and maintenance, it provides a durable solution for flow measurement systems requiring a 12mm connection interface.

## Long description

The Apator fi12 coupling is a precision-engineered component specifically designed to facilitate a secure and reliable connection for flow measurement equipment. This coupling serves as a critical interface for RA 4001250 meters as well as the RAB 1, 2, and 3 series devices, ensuring that the system maintains its operational integrity during fluid measurement processes. Built to meet high standards of durability, this component is an essential part for professionals involved in the installation and maintenance of metering systems that utilize a 12mm connection interface.
Advantages
The primary advantage of this coupling is its exact compatibility with specified Apator metering devices, which eliminates the risk of connection failures or measurement inaccuracies. Its robust construction ensures long-term performance even under standard operating conditions, providing a stable link that prevents leaks and pressure loss. By utilizing this specialized part, technicians can ensure that their flow measurement systems remain compliant with technical requirements, facilitating efficient maintenance and reliable data collection.
Suitable for
Integration with Apator RA 4001250 meters
Connection for RAB 1, 2, and 3 series devices
Professional flow measurement system installations
Maintenance and repair of 12mm interface metering equipment
When it may not be suitable
This coupling is not intended for use with equipment that does not match the specified 12mm interface or the designated Apator meter series. It should not be used in high-pressure or industrial environments that exceed the technical specifications of the original metering devices.
Key specifications
Connection diameter: 12mm
Compatibility: RA 4001250, RAB 1, 2, 3 series
Material: Durable industrial-grade construction
Application: Flow measurement system integration
How to use
To install the coupling, ensure that the metering device is depressurized and the system is shut down. Align the 12mm interface of the coupling with the corresponding port on the RA or RAB series device. Tighten the connection according to the manufacturer's torque specifications to ensure a secure seal. Once installed, perform a pressure test to verify that the connection is leak-free before resuming normal operation.
What to consider before purchase
Verify the model number of your existing meter
Confirm that your system requires a 12mm connection interface
Ensure compatibility with the specific RAB series version
Usage recommendations
Always use appropriate tools for installation to avoid damaging the coupling threads. Regular inspection of the connection point is recommended to ensure continued operational safety and measurement accuracy.

## FAQ

### How much does the Apator fi12 Coupling for RA 4001250 and RAB Series cost, and is it available for purchase?

The price is 19.49 € (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 14.07.2026 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 Apator 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 Apator 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/12450380/68753143_large.webp