# Jinan Meide BLK 331D Threaded Fitting 3/4" Male/Female

**URL:** https://aio.lv/en/product--jinanmeide-blk331d34--12503158
**Data updated:** 2026-06-10 09:25 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** JINAN\_MEIDE
**Manufacturer code:** BLK\_331D\_3/4
**EAN:** 2000505966120
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--jinanmeide-blk331d34--12503158

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The Jinan Meide BLK 331D is a high-quality threaded fitting featuring a 3/4" male to female connection. Designed for reliable plumbing and industrial piping systems, this component ensures a secure and leak-proof transition between pipes. Manufactured from durable materials, it is suitable for various fluid transport applications, providing long-term performance and ease of installation in professional or residential piping networks.

## Long description

The Jinan Meide BLK 331D is a high-quality threaded fitting designed to provide a secure and reliable connection in plumbing and industrial piping systems. Featuring a 3/4-inch male-to-female configuration, this component is engineered to facilitate a seamless transition between pipes of different ends or to extend existing piping runs. Its robust construction ensures stability and durability, making it a dependable choice for maintaining the integrity of fluid transport networks in both residential and professional environments.
Advantages
This threaded fitting offers exceptional durability due to its high-quality material composition, which is designed to withstand the pressures and stresses typical of standard piping systems. The precision-machined threads ensure a tight, leak-proof seal, significantly reducing the risk of fluid loss or system failure. Its compact design allows for easy installation in tight spaces, while the standardized sizing ensures compatibility with a wide range of existing plumbing components, simplifying maintenance and repair tasks.
Suitable for
Residential water supply systems
Industrial fluid transport pipelines
Heating and cooling system piping
Extension of existing 3/4-inch pipe networks
This fitting may not be suitable for high-pressure industrial applications that exceed the manufacturer's specified pressure ratings. It is also not intended for use with corrosive chemicals or gases that are incompatible with the fitting's material composition, as this could lead to premature degradation or failure of the connection.
Key specifications
Connection type: 3/4-inch male to female threaded
Material: Durable industrial-grade metal
Application: Plumbing and piping systems
Design: Threaded for secure assembly
To install the Jinan Meide BLK 331D, ensure that the pipe ends are clean and free of debris. Apply an appropriate thread sealant or plumbing tape to the male threads to enhance the seal. Thread the fitting onto the corresponding pipe or component by hand until firm, then use a suitable wrench to tighten it to the required torque, taking care not to overtighten, which could damage the threads.
What to consider before purchase
Verify that the 3/4-inch size matches your existing pipe diameter
Check the compatibility of the fitting material with the fluid being transported
Ensure the pressure and temperature requirements of your system align with the fitting specifications
Usage recommendations: Always inspect the threads for any signs of damage before installation. It is recommended to perform a pressure test on the system after assembly to ensure that all connections are completely leak-free before putting the line into full operation.

## FAQ

### How much does the Jinan Meide BLK 331D 3/4" Threaded Fitting cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 135 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 22.06.2026 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 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/12503158/68842806_large.webp