BSP thread form stands for British Standard Pipe and is common in Australia and the commonwealth countries. It is based on trade size rather than actual diameter which can lead to some confusion when measuring ports. There are two types of BSP threads; – BSPP – Female & male thread are both (also known as G)

What is BSP fitting?

BSP thread form stands for British Standard Pipe and is common in Australia and the commonwealth countries. It is based on trade size rather than actual diameter which can lead to some confusion when measuring ports. There are two types of BSP threads; – BSPP – Female & male thread are both (also known as G)

Is NPT the same as BSP?

NPT and BSP threads are not interchangeable due to the differences in thread forms. NPT threads are pointed in the peaks and valleys, where BSPs are rounded. Most notably, the NPT thread angle is 60 degrees versus the BSP 55-degree angle.

What are BSP sizes?

What are BSP thread sizes?

BSP Size Also Known As Actual Diameter (Imperial)
5/8″ 18 BSP
3/4″ 20 BSP 1 inch
1″ 25 BSP 1 & 1/4 inch
1 & 1/4″ 1 & 2/3 inch

What size BSP fitting is this?

The easiest way is to count the thread crests over a shorter length, say 1/4″, and simply multiply it by 4. For example, if you count 3.5 thread crests over 1/4″: 3.5 x 4 = 14 threads per inch. Take this measurement and cross-reference it to your thread size in the chart below.

How do you identify BSP threads?

To find the thread size:

  1. 1) Measure the O.D (outer diameter) of the BSP thread.
  2. 2) Take the O.D measurement (in inches) and subtract 1/4 inch (. 25”).
  3. 1) Multiply 3.5 by 4 to get 14. This is the number of threads per inch.
  4. 2) Combine the thread size with the number of threads per inch and refer to.

Will BSP fit BSPT?

The BSPT (tapered) male will mate with a BSPT (tapered) female, or a BSPP (parallel) female. The BSPT male has tapered threads. When mating with either the BSPT (tapered) female or the BSPP (parallel) female port, the seal with made on the threads.

What is a 3/4 BSP thread?

Taper threads, British Standard Pipe Taper thread (BSPT). These are sometimes denoted by the letter R, for example R1/2″ means a taper 1/2 inch BSP thread….British Standard Pipe Thread (BSPT)

BSP Thread Size Outside Diameter mm / inch TPI
5/8 Inch BSP 22.99 mm / 0.902″ 14
3/4 Inch BSP 26.44 mm / 1.041″ 14
7/8 Inch BSP 30.20 mm / 1.189″ 14

What is the outside diameter of 1/4 BSP thread?

13.16 mm
British Standard Pipe Thread (BSPT)

BSP Thread Size Outside Diameter mm / inch TPI
1/4 Inch BSP 13.16 mm / 0.518″ 19
3/8 Inch BSP 16.66 mm / 0.656″ 19
1/2 Inch BSP 20.99 mm / 0.825″ 14
5/8 Inch BSP 22.99 mm / 0.902″ 14

Does BSP need O-ring?

The efficiency of seating with BSPP threads does not require thread sealants to form an excellent connection. With a tapered thread, the fitting generally seals via metal-to-metal wedging of the threads. However, the seal is made with an O-ring or bonded washer.

What is the size of the BSP 3/4 adapter?

Size: 3/4″ x 3/4″ (1 Piece)Verified Purchase I purchased the G Thread (Metric BSP) 3/4″ Female to NPT Thread 3/4″ Male Pipe Fitting Adapter, after I discovered that the 15-mm-compression-to-BSP 3/4-in. adapter did not fit my NPT receptacle. I ordered the BSP adapter from the UK, thinking, mistakenly, that 3/4-in. is 3/4-in., right?

What is BSPP fittings?

These fittings can withstand intense PSI pressure levels and high temperatures. BSPP or parallel thread pipes are available in a number of sizes and designs for your unique needs.

Where can I buy a 3/4 pipe fitting adapter?

Amazon.com: G Thread (Metric BSPT) 3/4″ Female to NPT Thread 3/4″ Male Pipe Fitting Adapter – Lead-Free (3/4 inch) : Industrial & Scientific Amazon.com: G Thread (Metric BSPT) 3/4″ Female to NPT Thread 3/4″ Male Pipe Fitting Adapter – Lead-Free (3/4 inch) : Industrial & Scientific Skip to main content .us

What does G3/4 mean in pipe fittings?

✅ G3/4″ Pipe fittings Female Thread Water Pipe to 3/4″ NPT Male Thread Adapter ✅ Metric BSPT 3/4″ (G) Female to NPT 3/4″ Male pipe fitting converter (Brass). G Thread is Taper threads, British Standard Pipe Taper thread (BSPT), whose diameter increases or decreases along the length of the thread.