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British-made Royde and Tucker H102 Hi-Load hinges

June 9, 2014 by · Comments Off on British-made Royde and Tucker H102 Hi-Load hinges 

H102 HI LOAD HINGES

H102
The H102 hinge is a three knuckle, fixed pin butt hinge.  The bearing arrangement in Royde and Tucker H102 Hi-Load hinges accounts for both vertical and lateral loads, as well as spreading the load over as wide a surface area as possible. This design, in conjunction with its unique material and lubricant properties, results in its unrivalled performance.
Specifications: 100×88×3mm Three knuckle butt hinge, Maximum adjusted door weight 120kg, To BS EN 1935 Grade 13, Minimum door thickness 44mm, Maintenance free, guaranteed for 25 years, CE Certificate No. 1121-CPD-AC0063, Suitable for use on fire doors: Certifire approved – CF209, To be fitted with HP102 intumescent hinge pads, if being installed on fire doors c/w metric 5 × 32mm wood screws.
Unless stated Mild steel substrate, Grade 304 or 316 stainless steel available.  The finish shown in the photo is BSS – Brushed Stainless Steel.

Is there a way of determining the position the hinges need to go on a door?

March 12, 2014 by · Comments Off on Is there a way of determining the position the hinges need to go on a door? 


standard positioning of hinges on a fire door

Hinge positioning is determined by the size, weight and construction of the door and its intended use.  The top and bottom hinges are easy – around 250mm from the top and bottom of the door.  The most common position for the third hinge is in the middle, this is a good position where the loading is normal.  The middle hinge will also stop a door from warping in a humid environment.  Where a door is heavier, wider or has a door closer, then the middle hinge should be moved up to about 200mm below the top hinge.  When four hinges are used due to extra weight, height, width, abuse level, the hinges can be either equally positioned or set as two pairs at the top and bottom separated by about 200mm.

A fire door test at Lorient

February 21, 2014 by · Comments Off on A fire door test at Lorient 

Members of the Institute of Architectural Ironmongers were treated to a fire test at Lorient UK‘s headquarters in Newton Abbot today.  The furnace was fitted with two miniature hinged 30 minute fire doors (FD30s) each with reinforced vision panels.  The door on the left was fully sealed with intumescent materials, which are designed to swell up under extreme heat – sealing the gaps and slowing the progression of the fire.  The door on the right was unsealed.
fire test 1
With observers fully kitted out in safety glasses, at 3.22pm the gas furnace was switched on.  Within 3 minutes the air temperature inside was approaching 500°C and wisps of smoke were seen emanating from around the frame of the unsealed door.  There were occasional puffs from the bottom of the sealed door at this stage and indeed, the unsealed door stopped smoking for a while.  A wide variation in results (up to 15%) is permissible under test conditions within the first 10 minutes of the test, but after that the door’s behaviour becomes more strictly monitored.  There are a variety of intumescent materials depending upon the use; for the purposes of this test Lorient’s 10 x 4mm intumescent fire & smoke seals (made from sodium silicate) were morticed into the frame around the sides & top of the sealed door.
fire test 2
The hinges (Royde & Tucker HiLoad) were backed with intumescent hinge pads made from mono-ammonium phosphate (MAP).  The glass vision panel was surrounded by intumescent glazing gasket made from a graphite compound.  The unsealed door had none of these advantages and, sure enough, 22 minutes into the test at a temperature of 800°C it was well blackened at the top and smoking like a chimney – particularly from the top leading edge corner – opposite the hinge side.  The glass panels in both cases had been crackling away periodically and had begun spitting a few tiny shards onto the floor.
fire test
Two minutes later flames began to flash outside the top half of the unsealed door but this itself is not considered “failure” – this comes when flames are sustained outside the furnace for 10 seconds – and in this test failure occurred for the unsealed door at 27 minutes.  A Georgia Pacific gypsum board was attached over the blazing breach and edged around with Lorient intumescent sealant so the test could continue with our attention drawn to the sealed door.  By now this poor door was really showing the strain, particularly around the vision panel, where the graphite was bulging and sooty grey smolderings were discolouring the top and frame.  The room, part of Lorient’s high tech testing facilities snuggled in the lee of the Dartmoor countryside, was warm but not uncomfortably so – surely the furnace was nicely insulated and extracted – I had been warned that fire tests can become overwhelmingly hot for observers, so this pleased me.  At 42 minutes and a temperature of nearly 700°C insistent flames began licking up from the lower hinge side of the frame – the sealed door surrendered to its fate and the test was over.

Happy New Year!

January 6, 2014 by · Comments Off on Happy New Year! 

We would like to wish you a happy & prosperous New Year for 2014. Before we get back into the daily rhythm of informational web posting, I thought I would share the lyrics of this lovely song with you (imagine Bernard Cribbins singing it):-

Right said Fred, both of us together, one each end and steady as we go
Tried to to shift it, couldn’t even lift it, we was getting nowhere
And so, we, had a cup of tea
Right said Fred, give a shout to Charlie, up comes Charlie from the floor below
After straining, heaving and complaining, we was getting nowhere
And so, we, had a cup of tea
Charlie had a think and he thought we ought, to take off all the handles
And the things that hold the candles – but it did no good (well I never thought it would!)
Right said Fred, have to take the feet off, to get them feet off wouldn’t take a mo…
Took its feet off, even with the seat off, should have got us somewhere, but no!
So Fred said let’s have another cup of tea, and we said “right-oh!”
Right said Fred, have to take the door off, need more space to shift the so-and-so
Had bad twinges, taking off the hinges, and it got us nowhere
And so, we, had a cup of tea
Right said Fred, have to take the wall down, that there wall is gonna have to go
Took the wall down, even with it all down, we was getting nowhere
And so, we, had a cup of tea
Charlie had a think and and he said look Fred, I’ve got a sort of feeling
If we remove the ceiling,
With a rope or two we can drop the blighter through…
Right said Fred, climbing up a ladder, with his crowbar gave a mighty blow
Was he in trouble, half a ton of rubble, landed on the top of, his dome
So Charlie and me had another cup of tea
And then we, went home!
[Spoken, fading out…]
I said to Charlie we’ll just have to leave it standing on the landing, that’s all.
You see the trouble with Fred is, he’s too hasty.
Now you never get nowhere if you’re too hasty…

I thought what they could do with there is a pocket door – in fact now they’ve taken the wall out they’ve got room to put one in.  And the ceiling?  Well…just make good!

25 year maintenance-free guaranteed hinges

March 6, 2013 by · Comments Off on 25 year maintenance-free guaranteed hinges 

ROYDE & TUCKER HI-LOAD hinges are designed for medium and high frequency use doors. In accordance with BS 4787, three hinges per door leaf should be fitted. HI-LOAD hinges are guaranteed against wear for a period of 25 years, provided they are correctly specified and fitted. A favourite for 44mm thick fire doors is the H102 fixed pin hinge:-
• 100x88x3mm Triple knuckle butt hinge
• Grade 316 or 304 stainless steel or mild steel
• Maintenance free, guaranteed for 25 years
• CE Certificate No. 1121-CPD-AC0063
• Certifire Approved –CF209
• To BS EN 1935 Grade 13
• c/w M5 x 30mm screws
• Appropriate for use with back check door closers
• Maximum adjusted door weight 120kg
• Minimum door thickness 44mm

Handing lift off hinges

July 18, 2012 by · Comments Off on Handing lift off hinges 

Taken from Royde & Tucker‘s literature, this useful illustration is helpful for deciding which hand hinges are required:-
handing-hinges

How many hinges are needed on a door: some have three, some have two, why?

February 2, 2012 by · Comments Off on How many hinges are needed on a door: some have three, some have two, why? 

Usually at least 3 hinges need to be fitted on a door.  Light weight internal domestic doors may be fitted with only 2 hinges.  Doors with a security function need to have at least 3 hinges, as this makes them more difficult to force.  Fire Regulations require fire doors to be fitted with 3 hinges (which must be 4 inch fire certified hinges).  For doors over 2200mm tall, then four hinges can be used to prevent warping. Consider any other factors that increase the loadings of hinges and their fixings – extra wide doors, high level of abuse, e.g. school or hospital.

In a building in an exposed coastal location, what would be the best hinges for external doors?

January 19, 2012 by · Comments Off on In a building in an exposed coastal location, what would be the best hinges for external doors? 

The best material to use is a hinge made of brass plated with polished chrome.  Brass is a highly corrosion-resistant material, which is why it’s used a lot in boats.  However, it does tarnish and the surface of raw brass will naturally begin to look green and unpleasant over time, without the body of the material being affected.  With a very stable oxide layer of Polished Chrome on top of the brass you can be confident that neither corrosion nor tarnishing will take place on the hinge.

I am trying to find H086 – 85 x 76 x 3mm lift off hinges. Our doors are 35mm, would these hinges be suitable for that?

June 7, 2010 by · Comments Off on I am trying to find H086 – 85 x 76 x 3mm lift off hinges. Our doors are 35mm, would these hinges be suitable for that? 

The H086 Royde & Tucker hinges are available from us in BZP (Bright Zinc Plate) and also a wide range of other finishes.  35mm is the minimum door thickness which these hinges will suit.  They are handed left or right.

What finishes do Royde and Tucker H107 Hi-load lift off hinges come in?

April 11, 2010 by · Comments Off on What finishes do Royde and Tucker H107 Hi-load lift off hinges come in? 

The finishes available are bright zinc plate, satin zinc plate, electro brass plate, powder coated, polished chrome, antique bronze, simulated brushed stainless, satin stainless steel and mirror polished stainless steel.

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