Threaded fittings

Threaded fittings are a set of parts that are used to connect pipes and hoses and allow the efficient transport of various types of media. For this reason, products in this category are used in almost every industry (including chemical, food, pharmaceutical and heating industries). Threaded fittings are an essential part of the installation of every company, plant and factory. 

The term "threaded fittings" covers a wide range of different products, including plugs (end caps), elbows, couplers, nipples, pipe screws, reductions or adapters. In our shop, you will only find products manufactured from robust, high-quality materials, so they will prove themselves in many use cases.

read...

DOUBLE NIPPLE THREAD REDUCER TW STAINLESS STEEL SS 316 INPART24

DOUBLE NIPPLE REDUCER MALE THREAD TW STAINLESS STEEL - SS 316

Material

AISI 316

Thread type

male BSP

MATERIAL: STAINLESS STEEL SS 316 | THREAD REDUCER: MALE BSP x MALE BSP | DIN ISO 228

Available

Ask about price

DOUBLE NIPPLE MALE THREAD FITTING FLAT FACE STAINLESS STEEL SS 316 INPART24

DOUBLE NIPPLE MALE THREAD TW STAINLESS STEEL - SS 316

Material

SS 316

Thread type

male BSP

MATERIAL: STAINLESS STEEL SS 316 | THREAD TYPE: MALE BSP | DIN ISO 228

Available

from 38.30zł
vat excluded

REDUCING COUPLING WITH FEMALE THREAD BSP TYPE TW BRASS INPART24

REDUCING COUPLING TW FEMALE THREAD x FEMALE THREAD BSP - BRASS

Material

brass

Thread type

female BSP

MATERIAL: BRASS | THREAD REDUCER: FEMALE BSP x FEMALE BSP | DIN ISO 228

Available

Ask about price

REDUCING COUPLING TW FEMALE THREAD ON MALE THREAD BSP BRASS INPART24

REDUCING BUSHING TW FEMALE THREAD x MALE THREAD BSP - BRASS

Material

brass

Thread type

female/male BSP

MATERIAL: BRASS | THREAD REDUCER: FEMALE BSP x MALE BSP | DIN ISO 228

Available

Ask about price

DOUBLE NIPPLE THREAD REDUCER BSP TW BRASS INPART24

DOUBLE NIPPLE REDUCER MALE THREAD TW - BRASS

Material

brass

Thread type

male BSP

MATERIAL: BRASS | THREAD REDUCER: MALE BSP x MALE BSP | DIN ISO 228

Available

Ask about price

DOUBLE NIPPLE MALE THREAD FITTING FLAT FACE TW BRASS INPART24

DOUBLE NIPPLE MALE THREAD TW BRASS

Material

brass

Thread type

male BSP

MATERIAL: BRASS | THREAD TYPE: MALE BSP | DIN ISO 228

Available

from 19.37zł
vat excluded

DOUBLE NIPPLE MALE THREAD BSP FROM STAINLESS STEEL INPART24

DOUBLE NIPPLE EQUAL MALE THREAD CONNECTOR - SS 316

Material

SS 316

Thread type

male thread BSP

MATERIAL: STAINLESS STEEL SS 316 | THREAD TYPE: MALE BSP

Available

from 6.07zł
vat excluded

DOUBLE NIPPLE REDUCING CONNECTOR WITH MALE THREAD BSPT STAINLESS STEEL INPART24

DOUBLE NIPPLE REDUCING CONNECTOR MALE THREAD CONNECTOR - SS 316

Material

SS 316

Thread type

male thread BSPT

MATERIAL: STAINLESS STEEL SS 316 | THREAD TYPE: MALE BSPT

Available

from 6.36zł
vat excluded

REDUCING BUSHING TW STAINLESS STEEL FLAT FACE INPART24

REDUCING BUSHING TW - FEMALE x MALE - SS 316

Material

SS 316

Thread type

BSP

MATERIAL: STAINLESS STEEL SS 316 | THREAD TYPE: BSP | SEAL MATERIAL: PTFE

Available

Ask about price

EQUAL SOCKET ADAPTOR WITH FEMALE THREAD STAINLESS STEEL SS 316 INPART24

EQUAL SOCKET ADAPTOR TW - FEMALE THREAD AND PTFE SEALING - SS 316

Material

SS 316

Thread type

BSP

MATERIAL: STAINLESS STEEL SS 316 | FEMALE THREAD: BSP | SEAL MATERIAL: PTFE

Available

from 109.84zł
vat excluded

Threaded fittings - Threaded hose connectors

What are the types of threaded fittings?

Threaded fittings are divided into many different products, such as:

  • couplers, 
  • nipples, 
  • pipe screws, 
  • plugs, 
  • reducers, 
  • elbows,
  • splitters.

Below you will find a brief description of each.

What are couplers?

Couplers are a type of short pipe that are used to connect segments of pipework. They have female threads at both ends, making it possible to connect two pieces of pipework fitted with male threads.

Couplers are commonly used in water, gas and heating systems.

What are nipples?

Nipples are a type of short pipe with external threads at both ends. They are used to connect two fittings with female threads.

Nipples are used in various installations where a stable and tight connection is required.

What are pipe screws?

Pipe screws are a type of threaded pipe fitting that is used to connect pipes in installations. A typical pipe screw consists of 3 parts:

  • left — on the external side it usually has an external thread (in some variations an internal thread), and on the internal side it has an abutment (flange) and a convex half-bottom; 
  • middle — it is a nut with an internal thread, which on one side has a reduced diameter forming a special clamp (the so-called "cap nut"), which fits to the external abutment (flange) of the previous part of the fitting;
  • right - on the inside it has a specially shaped concave half-bottom matching the half-bottom of the left part and an external thread (matching the internal thread of the nut), and on the outside it has an internal thread matching the diameter of the pipe to be fixed.

What are plugs?

Plugs are parts of the installation that are used to close the ends of pipes or installations. They usually have an external thread that fits into the end of a pipe with an internal thread. Plugs are used to temporarily or permanently shut off flow in pipes. Reducers

What are reducers?

Reducers are system components used to connect pipes of different diameters. They can have different types of threads, depending on the needs and system specifications.

These types of fittings are key in installations where matching pipes of different sizes are required.

What are elbows?

Elbows are parts of the installation that allow the direction of flow in the system to be changed. They usually have an angle of 90 or 45 degrees and are fitted with female or male threads.

Elbows are necessary in piping systems where there is a need to create a bend or change the direction of the pipes.

What are splitters?

Splitters are components that allow flow to be divided into several different directions. They have one input and several outputs, often with different types of threads. They are used in plumbing systems where it is necessary to divide the flow into several independent sections.

The most common splitters are T-pieces and cross pieces.

What to look for when choosing threaded fittings?

When choosing threaded fittings, pay attention to the following factors:

  • Thread size — Make sure the thread size matches the rest of the installation. Pay particular attention to the diameter and pitch of the thread.
  • Thread type — Depending on the application, choose the appropriate thread type. This includes its standard (e.g. BSP, NPT), side (internal/external) and direction (clockwise or anti-clockwise);
  • Manufacturing material — The choice of material depends on the conditions in which the fittings will be operated. Steel, brass or plastic have different properties and applications.
  • Operating pressure — Ensure that the fitting is suitable for the pressure prevailing in the system.
  • Operating temperature — Some materials perform better at high temperatures, others at low temperatures.
  • Application — Different types of fittings are suited to specific applications. For example, in chemically aggressive environments or water installations, corrosion resistance is important. 
  • Certifications and standards — Look for products that comply with current standards and certifications to ensure safety and high quality. This is particularly important in demanding applications.
  • Ease of assembly and disassembly — For systems that require frequent changes or maintenance, fittings must be easy to assemble and disassemble.

FAQ

What is a threaded fitting?

arrow-up

Threaded fitting is a type of fitting used in piping systems to connect system components using threads. Threaded fittings include various types of couplers, nipples, elbows, plugs, reducers, pipe screws and adapters. They are used to connect pipes, change the direction of flow, reduce the diameter and also to close the ends of pipes. Threaded fittings are used in many installations such as water, gas and oil systems.

What is the difference between threaded and welded fittings?

arrow-up

The main difference between threaded fittings and welded fittings is om the method of assembly – threaded fittings are screwed and welded fittings are welded with special tools. As a rule, threaded fittings are less resistant to high pressures, but are suitable for systems that require frequent disassembly and maintenance. Welded fittings, on the other hand, provide longer-lasting and tighter connections, making them suitable for high pressures and extreme temperatures, but are more difficult to install and dismantle.

How many types of thread are there?

arrow-up

There are many types of threads, which are divided into several categories. The most common of these are metric, inch (e.g. BSP or NPT) and special threads (for specific applications). However, the number of thread varieties is so large and dependent on specification, purpose and industry standards that it is difficult to list them all here. Therefore, when selecting threaded fittings, it is worth paying attention to the thread type. It should be compatible with the rest of the system.