self closing hinges for round post
Self Closing hinges for Round Post -
Post 50 & 73
Gate 50mm

upto -  60 Kgs
The TCHDRND2-MK2 model fits 
POST 50mm and 73mm post diameters, and
GATE frames of 50mm.

All Hinges can be used on Left or Right side
$89.47 Pair Code HN736
schematic drawing of TCHDRND2
Gate
50mm
arrow602
arrow603
Post
50mm
and 73mm
safety cap for pool self closing hinges
Safety Cap for
HN735
$5.95
each  P/N CP840
Each pair of hinges includes shims/adaptors to fit different post and gate diameters. D&D Technologies has been a leader in there field when it comes to round post self closing hinges.
Spring closer for pipe
To make this round pipe
self closing work you need.
.
2 Items. Spring closer and 2 Piece hinges

Spring Closer

plus 2 x any Two of the same pipe hinge

One for the top to hold the gate as it swings and the other for the bottom to house the spring closer 
arrow501
arrow501
Spring closer for 25NB extra light round pipe

Code - HN815
$35.95
NOTE......
This Self Closing hinge for round pipe
only works in 25NB light pipe

25NB = is the inside measurement of the pipe the wall thickness of the pipe might vary between 1 - 5mm these self closing hinge will accommodate them
The unique UV stabilized self lubricating poly bush makes for a smooth long life gate operation. The bush eliminates the metal to metal contact between the gate frame and the gudgeon, minimizing friction, and its ribbed exterior on the bush provides a positive non-slip fit inside the gate frame stile to ensure the only movement is between the gudgeon pin and the hinge bush.

Round Post Gates and Round Post   Self Closing hinges upto 60kg

Self Closing Hinges for Round Post

Round pipe self closing hinges
Self Closing hinges for Round Post -
Post 48-50 & 73 -
Gate 35 and 41mm

upto -  60 Kgs
The TCHDRND1-MK2 model fits 
POST 48-50mm, 60mm and 70mm
post diameters, and
GATE frames of 35mm and 41mm.

All Hinges can be used on Left or Right side
$89.47 Pair Code HN735
schematic drawing of TCHDRND1
Gate
35mm and 41mm
arrow601
Post
48-50
and 73mm
arrow600
Safety Cap for
HN736
$5.95
each  P/N CP840
safety cap for pool self closing hinges
Each pair of hinges includes shims/adaptors to fit different post and gate diameters. D&D Technologies has been a leader in there field when it comes to round post self closing hinges.
TCAMA2 Self Closing Mini Multi Adjustable Gate Hinge Regular
Self Closing hinges for Round Post
upto -  25 Kgs
$77.43 Pair
Code  HN705
Mini-Multi Adjust, self-closing gate
hinges for round post & gate frames



TruClose Mini-Multi - Round
• For round gate frame and fence post
• Adjustable vertically & horizontally
• Adjustable self-closing tension
• Alignment legs for added strength and ease of installation
• Super-strong polymer construction and stainless steel components means no rust or corrosion
• Unique D&D-patented adjustment

TCAMA2RND
Mini multi adjustable self closing hinge for round post
round pipe hinge
40mm
25mm
Two part Hinge
25nb - 40nb mm
HN050

$9.40
25NB - 40NB
hinge for round pipe post and gate
50mm
25mm
Two part Hinge
25nb - 50nb mm
HN054

$11.15
round pipe hinge two parts
65mm
25mm
Two part Hinge
25nb - 65nb mm
HN058

$13.10

chain wire round pipe hinge
80mm
25mm
Two part Hinge
25nb - 80nb mm
HN062

$13.25

round post hinge
100mm
25mm
Two part Hinge
25nb - 100nb mm
HN068

$18.70
Take one of these


And one of those



To Make this
TruClose Heavy-Duty hinges deliver dependable reliability for child safety gates and general-purpose gates around homes and yards, as well as for high-traffic gates. These hinges are ideal for retrofitting to existing gates as they will fit to gates gate gaps ranging from
6-25mm.
Round self closing hinges for post and gate
image of round pipe gate with spring closer
Spring Closer for 25NB Extra light round Pipe Gate
Two piece Round pipe hinge for spring closer
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Round self closing hinges for post and gate
image of round pipe gate with spring closer
In this image we are using 50NB mm post to 25NB mm gate
NB stands for Nominal Bore (internal diameter of a pipe/fitting)

Round pipe is mainly used in the water and gas industry and the inside measurement is important to this industry.

With steel industry all steel is measured on the outside whilst the wall thickness changes it never alters the outside measurement unlike the water and gas industry where the inside measurement stays the same but the wall thickness changes so does the outside measurement. I hope this makes sense.
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