Menu

Tech Tubes & Fittings

Tube Fittings, Pipe Fittings, Needle Valve, Ball Valve & more

Blog Posts

Difference between BSP, BSPT and NPT Threads

Difference between BSP, BSPT and NPT Threads

When it comes to threaded connections, the world of plumbing and piping is filled with various standards and specifications. Among them, three commonly used standards are BSP, BSPT, and NPT threads. Each of these standards has its own unique characteri…

Read more

Introduction to Needle Valve

Introduction to Needle Valve

A Needle Valve is a type of valve which can be used to regulate flow of a substance, usually either gas or water, through an appliance or system. The Needle Valve unique feature of the value is the inclusion of a small plunger, with a shape akin to a Needle Valve.

Read more

Introduction to High Pressure Ball Valve

Introduction - High Pressure Ball Valve

In a High Pressure Ball Valve a Ball is driven by the stem to open and close the flow of the fluid. The ball is located around the axis of the stem for the rotating movement of the valve. The High Pressure ball valve is used for mechanical equipment, oil an…

Read more

Difference between Socket Weld vs Buttweld

Difference between Socket Weld and Butt Weld

Pipe flanges, fittings, and valves can be connected in a variety of ways, including socket weld, butt weld, threaded, and so on. Socket welding and butt welding are two of the most common. However, you may be unsure which one is best for your infrastru…

Read more

Everything you need to know about single ferrule tube fittings

Everything you need to know about single ferrule tube fittings

Thermal cycling and vibration are known to be among the toughest environments for tube fittings. To ensure that the tube fitting does not fail under extreme conditions, these applications necessitate high-precision, leak-free technolo…

Read more

Everything You Need to Know About Socket Weld Fittings

Everything You Need to Know About Socket Weld Fittings

A Socket Weld is a type of weld that is used to join two A fitting is a sort of fitting in which a pipe is attached to the sunken portion of a flange, fitting, or occasionally even a valve. These fittings, which are available in a variety of …

Read more

Features and Application of Tube Fittings

Features and Application of Tube Fittings

In pipe systems, a fitting or adapter is used to join straight sections of pipe or tube, adapt to varied sizes or forms, and regulate fluid flow, among other things. In a domestic or business context, these fittings are used to control the flow of water, …

Read more

How to choose a connector ?

How to choose a connector?

When it comes to ensuring the smooth operation of a system, selecting the correct connector is crucial. The appropriate connector can help you make your system smaller, lighter, and more user-friendly. It's not the place to cut corners, because the appropriate connector…

Read more

Features and Application of Tube Fittings

Features and Application of Tube Fittings

In pipe systems, a fitting or adapter is used to join straight sections of pipe or tube, adapt to varied sizes or forms, and regulate fluid flow, among other things. In a domestic or business context, these fittings are used to control the flow of water, …

Read more

Four Key Factors to Consider when selecting Instrumentation Tube Fittings

Four Key Factors to Consider when selecting Instrumentation Tube Fittings

One of the first phases in manufacturing a leak-free instrumentation system is choosing the applicable tube for the chore. No system stability is complete without this necessary part and its suitability with the other compo…

Read more

View older posts »

Needle Valve - Step by Step Complete Guide

Difference between BSP, BSPT and NPT Threads

Difference between BSP, BSPT and NPT Threads

When it comes to threaded connections, the world of plumbing and piping is filled with various standards and specifications. Among them, three commonly used standards are BSP, BSPT, and NPT threads. Each of these standards has its own unique characteri…

Read more

View older posts »

Tech Tubes & Fitting's Blog

Difference between BSP, BSPT and NPT Threads

Difference between BSP, BSPT and NPT Threads

When it comes to threaded connections, the world of plumbing and piping is filled with various standards and specifications. Among them, three commonly used standards are BSP, BSPT, and NPT threads. Each of these standards has its own unique characteristics and applications.
BSP, or British Standard Pipe, is a thread standard primarily used in the United Kingdom and other regions influenced by British engineering. One key distinction of BSP threads is that they come in two main variations: BSPP (British Standard Pipe Parallel) and BSPT (British Standard Pipe Taper).
BSPP threads, also known as parallel threads, maintain a consistent diameter along their entire length. They rely on gaskets or O-rings to achieve a secure seal, which is made at the face of the female fitting or component. This parallel thread design makes BSPP connections easier to assemble and disassemble.
On the other hand, BSPT threads have a tapered configuration where the diameter gradually decreases along the length of the thread. BSPT connections depend on thread interference to create a seal, and it's common to use thread tape or sealant compound to prevent leaks. The tapered design of BSPT threads provides a reliable sealing mechanism, making them suitable for applications where a watertight seal is required.
In contrast to BSP threads, NPT, or National Pipe Thread, is the predominant standard in the United States and Canada. NPT threads also have a tapered design, making them self-sealing. As the male and female threads are tightened, the taper causes them to wedge together tightly, creating a seal without the need for additional sealing agents.
NPT threads come in two variations: NPTF (National Pipe Thread Fuel) and NPS (National Pipe Straight). NPTF threads have a dry-seal configuration, relying on metal-to-metal contact to form a seal. These threads are commonly used in applications where a leak-tight connection is crucial, such as fuel lines. NPS threads, although parallel in shape like BSPP threads, lack the sealing characteristics of tapered threads. Therefore, they typically require the use of sealants or gaskets to ensure a proper seal.
It's important to note that BSP, BSPT, and NPT threads have different dimensions, thread pitches, and are generally not interchangeable without the use of adapters or conversion fittings. When working with threaded connections, it's essential to identify the correct thread type to ensure compatibility and prevent leaks or connection failures.
By understanding the unique characteristics of BSP, BSPT, and NPT threads, plumbers, pipefitters, and engineers can select the appropriate standard for their specific applications, ensuring reliable and leak-free connections.

Introduction to Needle Valve

Introduction to Needle Valve

A Needle Valve is a type of valve which can be used to regulate flow of a substance, usually either gas or water, through an appliance or system. The Needle Valve unique feature of the value is the inclusion of a small plunger, with a shape akin to a Needle Valve.

A Needle Valve is a valve which is used for regulating the flow of a fluid/gas through a system or an appliance. A small plunger is used in needle valve which looks quite like a needle.

This Valve is also known as an Isolation Valve or Isolation Needle Valve. Typically used to reduce high pressure to low pressure.

 

Advantages of Needle valve

  1. Using a Needle Valve helps in controlling the flow of the fluid to a very low rate with high accuracy.
  2. During installation you need not worry about the space, since Needle Valve is quite small and compact in design
  3. Even with a lesser volume of fluid, throttling is possible in this type of Valve
  4. The flow rate is Needle Valve can be adjusted very much precisely
  5. The operation, maintenance and use of Needle Valve is much easier.

Construction and Operation of Needle Valve

This Valve uses a pin (tapered) to open the space gradually which helps in fine control of the flow. The flow can be regulated and controlled using a handle which is connected to the spindle.

The orifice of a needle valve is relatively small when compared to other valves, the seat is long and tapered. The plunger exactly fits the seat.

When the handle is turned – which causes the plunger to retract the flow between the plunger and seat becomes possible. Until there is complete retraction of the plunger the flow of fluid is impeded.
This clearly means that in a needle valve the flow can be easily adjusted.

The plunger takes several turns to retract due to the fine threads a precise regulated flow rate is possible. 

Introduction to High Pressure Ball Valve

Introduction - High Pressure Ball Valve

In a High Pressure Ball Valve a Ball is driven by the stem to open and close the flow of the fluid. The ball is located around the axis of the stem for the rotating movement of the valve. The High Pressure ball valve is used for mechanical equipment, oil and gas, natural gas, marine applications, hydraulic switches.

 

Where to use a High Pressure Ball valve?

High Pressure Ball Valves are used in places having high fluid flow such as chemical industries, water distribution plants, oil and gas sector, petrochemical sector etc. These sectors store fluid in high quantity.

 

High Pressure Ball Valve Specification

Size

1/8" to 4"

Material and Working Temperature

​SS 316, SS 316L, SS 304, SS 304L, Nickel Alloys, Copper Alloys, Alloy Steels

Working Pressure

​Up to 825 bars / 12000PSI

Connection Type

Female Threaded (BSPP, BSPT or NPT)

Compression type

Dimensions

DN10 to DN50

Body

SS 316, SS 316L, SS 304, SS 304L, Nickel Alloys, Copper Alloys, Alloy Steels

Stem sealing

PTFE, Graphoil etc.,

Surface Finish

Natural

Design

Quarter Turn Type, 2 Piece, Full Bore, Female x Female

Connections

BSPP / NPT / DIN2353

Compression type (DIN 2353/ISO 8434-1)

SAE J514 female thread

ISO 7/1 Rc female thread

ISO 8434-3 ORFS male thread

Thread

NPT (National Pipe Thread)
ANSI B1.20.1

BSPP (British Standard Pipe Parallel)
DIN ISO 228

Lever

Lockable Manual Lever

High Pressure Ball Valve Pressure Rating (CWP)

1000 PSI / 69 Bar

400 PSI / 27.6 Bar

600 PSI / 41.4 Bar

High Temp Ball Valves Pressure Rating (SWP)

150 PSI / 10.3 Bar

200 PSI / 13.8 Bar

High Pressure Valve Pressure Rating (WWP)

300 PSI / 20.7 Bar

Difference between Socket Weld vs Buttweld

Difference between Socket Weld and Butt Weld

Pipe flanges, fittings, and valves can be connected in a variety of ways, including socket weld, butt weld, threaded, and so on. Socket welding and butt welding are two of the most common. However, you may be unsure which one is best for your infrastructure projects because they both appear to use their own set of advantages and disadvantages. As a result, we've taken on the task of making a comparison between them.

 

Socket Weld

They are made in line with ASME B16.11 standards. A pipe would be put into a recessed region of the fitting, or socketed to have a plain spigot end, in the construction of this type of connection. Socket Welding pipe fittings are utilized for combustible, hazardous, or expensive materials in which no leakage is allowed, as well as steam between 300 and 600 psi. SW pipe fittings are a type of high-pressure fitting that comes in multiple pressure rating systems: 3000, 6000, and 9000.

 

Butt Weld

They are made in line with ASME B16.9 standards. Each foot of the valve is sharpened to meet the depth and bevel of the pipe during the butt welding procedure. The two ends are then butted jointly and combined to the channel. The width would just be the same as for the pipes in this situation. Titanium pipes, duplex steels, and nickel-based alloys are all essentially butt welded.

 

Difference between Socket Weld and Butt Weld

  1. Welding grooves and seams of various types

Socket welding created a fillet weld during the welding process. Butt welding is superior to socket welding when considering factors such as weld strength, force conditions, and so on.

  1. Various applications

Because socket weld fittings are only half as strong as butt weld fittings. Socket welding is mostly used for piping with tiny diameters (Small Bore Piping), often piping with a nominal diameter of NPS 2 or less.

  1. Types of detection

In general, butt welding and testing standards are more stringent than socket welding and testing requirements.

To ensure that there are no leaks, the butt welding must be 100% tested, and radiographic inspection is required, but for socket welding, electromagnetic particle detection or infiltration detection is sufficient.

  1. Various costs

Socket weld fittings are more expensive than Butt welding fittings of comparable size. Butt welding fittings, on the other hand, require an additional expense because they are more difficult to manufacture and line up properly. This would take more time and would necessitate the use of qualified welders.

 

Conclusion

To summarise, socket welding has a higher pressure level and even a higher cost than butt welding. Butt welding is an alternative when welding technology is necessary and fully meets the construction standards. If the pipeline medium does not require welding, socket welding is advised since it is simple to detect.

For More Details on  Difference between Socket Weld and Butt Weld contact us on sales1@techtubes.in

***Monel, Hastelloy, Inconel, Incoloy, SMO254, Nitronic, AL6XN, Stellite, Sanicro, Tantalum, Nimonic , Alloy A286, Invar, Cupronickel etc., are the trademarks of their respective companies.

View older posts »

PRODUCT GALLERY

250;140;3a4ead59d50569a758e93504482c9d0c0fe02a94250;140;fd94c37259db0b985b0a9b605d8dcf9218be07a5250;140;a93758b2a5046cfc095b7c083f6a9cce5c4a6b3a250;140;771589073568b2c6cce3e4e4201104d98e61537b250;140;78368cce935b4cfa02cdd20a6a822120b656bd09250;140;060d9f9208d4b3b1cfb3f8036fb9018571351fe8250;140;e3f21705674de6473e6c22af537cf4c8dd37f383250;140;f7fd65993f8110d9cc5eb481bf96d7b1833a1109250;140;f0075615581bca3919a608fbcc5f0e8ef4bdf871250;140;c0a73b838bd98888bd430359415d4fbd7f06ee24250;140;c281c181acb3eb3db04bef4c96146d29fbf15bb8250;140;608539278693d84528954f5ca3e45bb5283ff6d5250;140;ab67284fe9eb86f0f745eff59342fe470c0b1f73250;140;c8e65c3f09b4a55a3deaca8e3044cbb43fe49d2a250;140;ff15d9a67f2b6fe85c1d7d8924310d9e9abd19fe250;140;9e78cf7ae9f44c6ff5283458d9fd69fa632a21bc250;140;b97bab372d6747936e620c290c6052e827b69e6c250;140;51964086128ee1b2fb4b806a25ac77a0781095c8250;140;a10376d9fc6d552aeccce1c15d115ad2ab463a3d250;140;b47d27c63f43a55c9b6100261a3d77886f3aaf80250;140;9efef9b48a9e2812e83d128dff0cd4c915654812250;140;ad89136403b38031bab3c4e773dbe1a3bd9200bb250;140;49742671ab06ca39778ee4fbb919bc36b53cfb6c250;140;e30305437d8637070e3f03f48d5c1832194aac18250;140;32060ec92fb5492c9ae44ed656ac32796deab3de250;140;5e0ead1f1fb25451153202830508359610ef2c4c250;140;c2cfde84553b9b9f28d6d5621cd1efd869c2621b250;140;36ae76d8a6797a457a67da90eadf7d00563d7d5a250;140;7ac05208bd471c066a7327e070315557e3003e70250;140;75ba18ba8c574ef2e2cf700f13653cff5a04ea0c250;140;6c39414f028db910e2c39b9926a921f5c5e40e11250;140;97ff88c3f1e29241290b7367dfce83568ee68020250;140;fbd7708b307d3012b304cd5bb2c9a44487e02772250;140;8e1bade90c24ebd9616ede50bbc47f6ca3dfece2250;140;d896c8133c559503ecb1c2db2434ac172f1d7f98250;140;a40212275761e896c14936bca0bc49a34ce217ee250;140;f04b27ab9439784f5938ef8fac6da6185a5857e2250;140;49392e1ec1add245a1f8d33e465907eb6778e027250;140;8ebbb39a71192882c4db69f974aa5543f69752f9250;140;f21976988e72dfe66e7abe4fc51923e30f6ee4f1250;140;1fa57b57fe10cee4e7f42fcd3aa88cbfd80e78aa250;140;6b6b3664e602e4f06507b7fa2cbe38543afe092f250;140;397f29de5fe1689c5757679908220d5b27640f04250;140;1ba5b6f9fa12ca010b0c5280f951ea01fecf39c5