What is a BSP tap?

The threaded part(s) of plumbing fittings are made to a British Standard Pipe Thread size (BSP). Parallel (straight) threads, British Standard Pipe Parallel thread (BSPP). These are sometimes denoted by the letter G, for example G1/2″ means a parallel 1/2 inch BSP thread.

What size is a BSP thread?

What are BSP thread sizes?

BSP Size Actual Diameter (Imperial) Actual Diameter (Metric)
1/4″ 1/2 inch 12mm
3/8″ 6/10 inch 15mm
1/2″ 3/4 inch 19mm

Is BSP and NPT the same?

Both NPT and BSP are pipe thread standards for screw threads used on pipes and pipe fittings to seal pipes. With NPT, the peaks and valleys of the threads are flat. In BSP, they are rounded. Secondly, the NPT angle of the thread is 60 degrees and the BSP angle is 55 degrees.

Is standard for BSP thread?

BSP is BRITISH STANDARD PIPE THREAD– Also known as Whitworth 55° Thread Form. BSPT is BRITISH STANDARD PIPE TAPER THREAD – Thread form per AS 1722.1, BS 21, ISO 7. BSPP is BRITISH STANDARD PIPE PARALLEL THREAD – Thread form per AS 1722.2, ISO 228.

Are all bath taps 3 4?

Bath taps generally have a 3/4″ threaded tail, and sink/basin taps 1/2″. They usually need fittings to connect to 22mm and 15mm pipes, respectively, though some bath supplies are 15mm too.

Will BSP fit into NPT?

NPT and BSP threads are generally not compatible due to the differences in their thread forms. NPT and BSP thread pitches (threads per inch, TPI) are listed below. You can use 1/2″ and 3/4″ NPT and BSP fittings together, but all others will be incompatible and will therefore leak.

Does half inch fit 15mm?

In fact these two sizes (1/2 inch and 15mm) can generally be joined using a 15 mm to 15mm connector. 1/2″ pipe refers to the internal diameter, 15mm pipe is the external diameter In my experience they are so similar that you can even use solder fittings without a worry, so using 15mm olives on 12″ pipe isn’t a problem.

Is half inch bigger than 15mm?

13mm = just over 1/2 inch. 15mm = almost 19/32 inch. 16mm = 5/8 inch. 17mm = almost 11/16 inch.

How many taps are in a BSP pipe?

1/2 x 14 BSP taps 1/2 pipe tap in taper second bottom / plug EXCELLENT 1st quality HQS (Highest Quality Steel, considered a tougher and better alternative to HSS, cuts even into most stainless steel). All in stock

Which is better HQ tap or BSPT tap?

1/4″ x 19 BSPT tap = 1/4″ BSPT taps EXCELLENT 1st quality HQS (Highest Quality Steel, considered a tougher and better alternative to HSS, cuts even into most stainless steel). All in stock.

How big is 3 / 4 inch Tap pipe thread?

– Max. working temperature: +100C. Please be aware that 3/4 BSP thread size is not equal to the 3/4 Inch diameter. The external diameter of 3/4 Inch thread is about 26mm. Please check our full range of Thread Extensions.

How big is a 3.4 inch BSP outlet?

3/4 Inch BSP – Bath taps, washing machine inlet hose connectors, modern outside tap outlets. 7/8 Inch BSP – Outlet thead on 3/4 inch outside tap (we have a brass tap connector for this size). 1 Inch BSP – Domestic heating boilers and hot water cylinders, urinal flush valves.