# JINAN MEIDE LOCK-NUT2 B310\_50 Threaded Pipe Fitting

**URL:** https://aio.lv/en/product--jinanmeide-b31050--4917258
**Data updated:** 2026-06-10 09:24 (EEST)
**Category:** Nails, screws, self-tapping screws & dowels
**Manufacturer:** JINAN\_MEIDE
**Manufacturer code:** B310\_50
**EAN:** 4770364150609
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 2.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 2.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--jinanmeide-b31050--4917258

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Friday | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The JINAN MEIDE LOCK-NUT2 B310\_50 is a professional-grade threaded pipe fitting designed for secure connection and locking in plumbing and industrial piping systems. Engineered for durability and precise fit, this component ensures reliable performance in fluid transport applications. It is an essential element for maintaining structural integrity in threaded piping assemblies.

## Long description

The JINAN MEIDE LOCK-NUT2 B310\_50 is a professional-grade threaded pipe fitting designed for secure connection and locking in plumbing and industrial piping systems. Engineered for durability and precise fit, this component ensures reliable performance in fluid transport applications. It is an essential element for maintaining structural integrity in threaded piping assemblies.
Advantages
This lock-nut provides exceptional mechanical strength and resistance to vibration, ensuring that threaded connections remain tight over extended periods of operation. Its high-quality construction allows for consistent performance under varying pressure conditions, making it a dependable choice for both residential plumbing and demanding industrial environments. The precision-engineered threads facilitate smooth installation and secure locking, minimizing the risk of leaks or loosening in critical piping segments.
Suitable for
Securing threaded pipe connections in plumbing systems
Industrial fluid transport assemblies
Maintenance and repair of existing piping networks
Locking components in place within threaded piping configurations
When it may not be suitable
This fitting is not intended for use in high-corrosion environments where specialized materials like stainless steel or plastic might be required. It is also not suitable for applications involving extreme chemical exposure or temperatures exceeding the standard rating for threaded malleable iron fittings.
Key specifications
Type: Threaded lock-nut
Material: Malleable iron
Application: Pipe locking and connection
Design: Precision-threaded for secure fit
How to use
To install the JINAN MEIDE LOCK-NUT2, ensure that the pipe threads are clean and free of debris. Thread the nut onto the pipe or fitting until it reaches the desired position. Use appropriate plumbing tools to tighten the nut securely against the mating component to lock the assembly in place. Always verify that the connection is properly aligned before applying final torque to avoid cross-threading.
What to consider before purchase
Compatibility with existing pipe thread standards
Operating pressure and temperature requirements of your system
Material compatibility with the fluid being transported
Usage recommendations
Regularly inspect threaded connections for signs of loosening or corrosion, especially in systems subject to frequent thermal expansion or vibration. Ensure that the correct sealing compounds or tapes are used in conjunction with the lock-nut to maintain a leak-proof seal.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.246 kg |

## FAQ

### How much does the JINAN MEIDE LOCK-NUT2 B310\_50 Threaded Fitting cost, and is it available for purchase?

The price is 2.99 € (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 Friday 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 JINAN\_MEIDE 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 JINAN\_MEIDE 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/4917258/30625308_large.webp