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Irrigation Warehouse Group Pty Ltd

Current Category
Adaptors BSP/NPT/USGT


Made in Australia!   All of these brass fittings are made in Australia from DR brass and are stronger, have a better finish and are of a higher quality than those imported from overseas (we still have a couple of sizes that are imported).   We guarantee that the DR Brass used in our brass fittings is actually DR brass.   All of our female BSP threads are BSPP parallel thread.   The fittings listed here are BSPP parallel OR BSPT tapered thread x NPT or USGT.   The easy way to tell which is BSPT and which is NPT, NPT threads are sharp on top and BSPT and BSPP are rounded or blunt. 

To identify the threads that you have, measure across the male thread carefully and refer to the list below.   Please note that while we may call a thread 1" BSP or 25mm this is not the measurement across the thread, it is the nominal internal diameter so, to avoid issues, please measure the threads that you need to connect.  

3/4" BSP is 26.44mm across and 3/4" NTP is 26.67mm across.   1 " BSP is 33.25mm across and 1" NPT is 33.40mm across.   1 1/4" BSP is 41.91mm and 1 1/4" NPT is 42.16mm.   1 1/2" BSP is 47.83mm and 1 1/2" NPT is 48.26mm.   2" BSP is 59.61mm and 2" NPT is 60.33mm.




Adaptor, US Garden thread male x US NPT female 3/4" in Brass (imported product)

Adaptor, US Garden thread male x US NPT female 3/4" in Brass (imported product)

These brass adaptors have a male (thread on the outside) US garden thread on one end and a female (thread on the inside) US NPT thread on the other end.   Used to connect into US made machines that have been supplied with a US garden thread.   To make this into a fitting that is suitable for use in Australia with our fittings, add a 20mm NPT x BSP nipple, see the top of this page.

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Adaptor, US Garden thread male x US Garden thread male in Brass

Adaptor, US Garden thread male x US Garden thread male in Brass

This is an imported adaptor with US garden thread male on each end, manufactured from brass and used to connect into a machine with a female US Garden Thread onto which you can adapt to BSP for Australian applications.  

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Adaptor, US Garden Thread female x 3/4" BSPT male in Brass.   25-year warranty Australian Made with washer.

Adaptor, US Garden Thread female x 3/4" BSPT male in Brass. 25-year warranty Australian Made with washer.

Ths is a heavy weight brass fitting made in Australia with 3/4" male BSPT on one end and US Garden Thread female on the other end.   The adaptor comes complete with a rubber washer fitted and locked into the female US Garden Thread end for a safe waterproof seal.   The US Garden Thread female has a diamter of 24.31mm and the 3/4" male BSPT has an outside diameter of 25.93mm.   Manufactured in Australia to our exacting standards, this item is supplied with a 25-year warranty.

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Adaptor, US Garden Thread male x 3/4" BSPT male in Brass.   25-year warranty Australian Made with washer.

Adaptor, US Garden Thread male x 3/4" BSPT male in Brass. 25-year warranty Australian Made with washer.

Ths is a heavy weight brass fitting made in Australia with US Garden Thread male on one end and a 3/4" male BSPT on the other end.  As US garden thread actually seals on the end on a rubber washer and not the thread, we include a rubber washer with each unit.  The US Garden Thread male has an outside diameter of 26.55mm and the 3/4" male BSPT has an outside diamter of 25.93mm.   Manufactured in Australia to our exacting standards, this item is supplied with a 25-year warranty.  

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Nipple, 1/2" BSPT  x 1/2" NPT  Brass Nipple

Nipple, 1/2" BSPT x 1/2" NPT Brass Nipple

I had a lot of difficulty finding a good quality adaptor to go from BSP to NPT threads so, we make these units specifically for Irrigation Warehouse Group.   If you need to adapt a thread from NPT to BSP or the other way around, these brass units are just the ticket.   Supplied as a 1/2" male BSPT thread on one end and a 1/2" male NPT thread on the other end.   Made in Australia!   25-YEAR WARRANTY.

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Nipple, 3/4" BSPT  x 3/4" NPT  Brass Nipple

Nipple, 3/4" BSPT x 3/4" NPT Brass Nipple

I had a lot of difficulty finding a good quality adaptor to go from BSP to NPT threads so, we make these units specifically for Irrigation Warehouse Group.   If you need to adapt a thread from NPT to BSP or the other way around, these brass units are just the ticket.   Supplied as a 3/4" male BSPT thread on one end and a 3/4" male NPT thread on the other end.   Made in Australia!   25-YEAR WARRANTY.

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Nipple, 1" BSPT  x 1" NPT  Brass Nipple

Nipple, 1" BSPT x 1" NPT Brass Nipple

I had a lot of difficulty finding a good quality adaptor to go from BSP to NPT threads so, we make these units specifically for Irrigation Warehouse Group.   If you need to adapt a thread from NPT to BSP or the other way around, these brass units are just the ticket.   Supplied as a 1" male BSPT thread on one end and a 1" male NPT thread on the other end.   Made in Australia!   25-YEAR WARRANTY.

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Nipple, 1 1/4" BSPT  x 1 1/4" NPT  Brass Nipple

Nipple, 1 1/4" BSPT x 1 1/4" NPT Brass Nipple

I had a lot of difficulty finding a good quality adaptor to go from BSP to NPT threads so, we make these units specifically for Irrigation Warehouse Group.   If you need to adapt a thread from NPT to BSP or the other way around, these brass units are just the ticket.   Supplied as a 1 1/4" male BSPT thread on one end and a 1 1/4" male NPT thread on the other end.   Made in Australia!   25-YEAR WARRANTY.

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Nipple, 1 1/2" BSPT  x 1 1/2" NPT  Brass Nipple

Nipple, 1 1/2" BSPT x 1 1/2" NPT Brass Nipple

I had a lot of difficulty finding a good quality adaptor to go from BSP to NPT threads so, we make these units specifically for Irrigation Warehouse Group.   If you need to adapt a thread from NPT to BSP or the other way around, these brass units are just the ticket.   Supplied as a 1 1/2" male BSPT thread on one end and a 1 1/2" male NPT thread on the other end.   Made in Australia!   25-YEAR WARRANTY.

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Nipple, 2" BSPT x 2" NPT  Brass Nipple

Nipple, 2" BSPT x 2" NPT Brass Nipple

I had a lot of difficulty finding a good quality adaptor to go from BSP to NPT threads so, we make these units specifically for Irrigation Warehouse Group.   If you need to adapt a thread from NPT to BSP or the other way around, these brass units are just the ticket.   Supplied as a 2" male BSPT thread on one end and a 2" male NPT thread on the other end.   Made in Australia!   25-YEAR WARRANTY.

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Nipple, 2 1/2" BSPT  x 2 1/2" NPT Brass Nipple

Nipple, 2 1/2" BSPT x 2 1/2" NPT Brass Nipple

I had a lot of difficulty finding a good quality adaptor to go from BSP to NPT threads so, we make these units specifically for Irrigation Warehouse Group.   If you need to adapt a thread from NPT to BSP or the other way around, these brass units are just the ticket.   Supplied as a 2 1/2" male BSPT thread on one end and a 2 1/2" male NPT thread on the other end.   Made in Australia!   25-YEAR WARRANTY.

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Adaptor, 3/4" Male BSPT x 3/4" Female NPT  in Brass

Adaptor, 3/4" Male BSPT x 3/4" Female NPT in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 3/4" Male BSP thread and a 3/4" Female NPT thread.   If you need to go from NPT to BSP, this may be the best way.   Australian Made!   25-YEAR WARRANTY.

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Adaptor, 1" Male BSPT x 1"  Female NPT in Brass

Adaptor, 1" Male BSPT x 1" Female NPT in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 1" Male BSP thread and a 1" Female NPT thread.   If you need to go from NPT to BSP, this may be the best way.   Australian Made!   25-YEAR WARRANTY.

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Adaptor, 1 1/4" Male BSPT  x 1 1/4" Female NPT  in Brass

Adaptor, 1 1/4" Male BSPT x 1 1/4" Female NPT in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 1 1/4" Male BSP thread and a 1 1/4" Female NPT thread.   If you need to go from NPT to BSP, this may be the best way.   Australian Made!   25-YEAR WARRANTY.

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Adaptor, 1 1/2" Male BSPT  x 1 1/2" Female NPT  in Brass

Adaptor, 1 1/2" Male BSPT x 1 1/2" Female NPT in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 1 1/2" Male BSP thread and a 1 1/2" Female NPT thread.   If you need to go from NPT to BSP, this may be the best way.   Australian Made!   25-YEAR WARRANTY.

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Adaptor, 2" Male BSPT x 2" Female NPT  in Brass

Adaptor, 2" Male BSPT x 2" Female NPT in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 2" Male BSP thread and a 2" Female NPT thread.   If you need to go from NPT to BSP, this may be the best way.   Australian Made!   25-YEAR WARRANTY.

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Cimseal thick liquid P.T.F.E. seal for all metal to metal fittings - particularly NPT

Cimseal thick liquid P.T.F.E. seal for all metal to metal fittings - particularly NPT

Our Cimseal is manufactured in Italy for the Cimberio company, Cimberio is one of the worlds largest valve manufacturers with an excellent reputation for high quality valves and fittings.   I have been using the "Cimseal" liquid P.T.F.E. for many years where an excellent seal is required on metal to metal threads and you will find Cimseal on every tap that we have installed on a fixed thread as this makes it so easy to position the tap perfectly vertically.   Once made and allowed to dry, the seal is very difficult to break by hand and that is particularly usefull in public areas.   I recommend the use of Cimseal on all metal to metal fittings for a secure watertight seal.   Note:   Cimseal cannot be used on plastic to plastic or plastic to metal as it will never cure.



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Adaptor, 1/2" Male NPT  x 1/2" Female BSPP  in Brass

Adaptor, 1/2" Male NPT x 1/2" Female BSPP in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 1/2" Male NPT thread and a 1/2" Female BSPP thread.   If you need to go from NPT to BSP, this may be the best way.  Australian Made, 25-year warranty!

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Adaptor, 3/4" Male NPT  x 3/4" Female BSPP  in Brass

Adaptor, 3/4" Male NPT x 3/4" Female BSPP in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 3/4" Male NPT thread and a 3/4" Female BSPP thread.   If you need to go from NPT to BSP, this may be the best way.  Australian Made, 25-year warranty!

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Adaptor, 1" Male NPT  x 1" Female BSPP  in Brass

Adaptor, 1" Male NPT x 1" Female BSPP in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 1" Male NPT thread and a 1" Female BSPP thread.   If you need to go from NPT to BSP, this may be the best way.  Australian Made, 25-year warranty!

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Adaptor, 1 1/4" Male NPT x 1 1/4" Female BSPP in Brass

Adaptor, 1 1/4" Male NPT x 1 1/4" Female BSPP in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 1 1/4" Male NPT thread and a 1 1/4" Female BSPP thread.   If you need to go from NPT to BSP, this may be the best way.  Australian Made, 25-year warranty!

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Adaptor, 1 1/2" Male NPT x 1 1/2" Female BSPP  in Brass

Adaptor, 1 1/2" Male NPT x 1 1/2" Female BSPP in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 1 1/2" Male NPT thread and a 1 1/2" Female BSPP thread.   If you need to go from NPT to BSP, this may be the best way.  Australian Made, 25-year warranty!

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Adaptor, 2" Male NPT x 2" Female BSPP  in Brass

Adaptor, 2" Male NPT x 2" Female BSPP in Brass

This is another one of those items that is manufactured by us for specific applications where a high quality, strong fitting is required.   The brass adaptor has a 2" Male NPT thread and a 2" Female BSPP thread.   If you need to go from NPT to BSP, this may be the best way.  Australian Made, 25-year warranty!

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