# Quick connector RECTUS 1/2" model 12157, brass/stainless coupling for pneumatic/hydraulic lines

**URL:** https://aio.lv/en/product--rectus-12157--11737042
**Data updated:** 2026-03-08 13:39 (EET)
**Category:** Tool kits and accessories
**Manufacturer:** RECTUS
**Manufacturer code:** 12157
**EAN:** 5905255409408
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 6.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rectus-12157--11737042

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

RECTUS quick connector model 12157 is a 1/2" coupling designed for rapid connection and disconnection of pneumatic and hydraulic lines. Intended for use in workshop, industrial and maintenance applications, it provides a compact interface for hoses and fittings. Suitable for line assembly where secure, repeatable connections are required.

## Long description

RECTUS quick connector model 12157 is a 1/2" brass and stainless steel coupling engineered for fast, secure connections of pneumatic and hydraulic lines. The compact design provides a reliable interface between hoses and fittings, suitable for repeated connection and disconnection in workshop, industrial and maintenance environments. Materials and construction are chosen to balance corrosion resistance and mechanical durability for routine use in compressed air and low- to medium-pressure fluid systems.
Advantages
This 1/2" quick connector combines a brass body with stainless-steel internal components to resist wear and environmental corrosion while maintaining precise mating geometry for leak-minimizing seals. The coupling offers straightforward push-to-connect operation for rapid hose changes, consistent sealing over multiple cycles, and a compact form factor that fits confined installation spaces. Its construction supports compatibility with common pneumatic and hydraulic hose fittings, enabling predictable performance in assembly and service tasks.
Suitable for
Workshop compressed air supply and tool connections
Maintenance and repair operations with pneumatic or low- to medium-pressure hydraulic lines
Industrial production lines requiring frequent hose changes
Portable equipment and service carts where compact couplings are needed
Key specifications
Connection size: 1/2" (half-inch)
Materials: brass external body with stainless-steel internal components
Intended media: compressed air and compatible hydraulic fluids at appropriate pressures
Operation: quick push-to-connect / quick-disconnect coupling
Design: compact coupling suitable for confined spaces and frequent use
How to use
Inspect mating hose ends and fittings for damage or contamination before assembly. Align the hose fitting with the coupling and push firmly until the connection locks; verify engagement by a tactile click or by gently tugging the hose. To disconnect, follow the coupling's release method—usually a sleeve or collar—while ensuring system pressure is relieved and downstream equipment is isolated. Perform a leak check after connection and before returning the system to service.
Usage recommendations
Use compatible hose fittings and ensure operating pressure and fluid compatibility before installation. Regularly inspect seals and coupling surfaces for wear, replace components showing corrosion or deformation, and avoid exposing the coupling to aggressive chemicals not specified for brass or stainless-steel parts.

## FAQ

### How much does the Quick connector RECTUS 1/2" 12157 cost, and is it available for purchase?

The price is 7.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 131 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 29.06.2026 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 RECTUS 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 RECTUS 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/11737042/67116292_large.webp