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bleed

In printing, bleed is printing that goes beyond the edge of where the sheet will be trimmed. In other words, the bleed is the area to be trimmed off. The bleed is the part on the side of a document that gives the printer a small amount of space to account for natural movement of the paper during guillotining, and design inconsistencies. Artwork and background colors often extend into the bleed area. After trimming, the bleed ensures that no unprinted edges occur in the final trimmed document.It is very difficult to print exactly to the edge of a sheet of paper/card, so to achieve this, it is necessary to print a slightly larger area than is needed and then trim the paper/card down to the required finished size. Images, background images and fills which are intended to extend to the edge of the page must be extended beyond the trim line to give a bleed.
Bleeds in the US generally are 1/8 of an inch from where the cut is to be made. Bleeds in Europe generally are 2 to 5mm from where the cut is to be made. This can vary from one print company to another. Some printers ask for specific sizes; most of these companies place the specific demands on their website or offer templates that are already set to their required bleed settings.

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  1. Bogart

    Honeywell EA122 automatic bleed valve

    Am going to fit an automatic bleed valve to replace the knackered manual one. Reading the Honeywell blurb it says it should be fitted on the positive side. Is there any reason for this? and could I not fit it on the negative side?
    • Bogart
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    • Forum: USA
  2. G

    Which nut to bleed heatslave 12/18?

    Need to bleed the boiler heatslave 12/18. Has a nut above threaded pipe and one below, which one do I loosen.
    • gjb
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    • Replies: 12
    • Forum: USA
  3. Simon-7613

    Cast iron radiator with no bleed valve?

    Hello, I’m hoping I can get some advice from those knowledgeable with this type of radiator. I want to bleed several of these but I cannot find a bleed valve anywhere on it, I almost believe that there isn’t one fitted, but I’ve heard all rads should have them. I’ve included some photos showing...
    • Simon-7613
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    • Forum: Canada
  4. N

    Boiler pressure near 3. How to depressurise boiler system with no bleed key?!

    Hi all, Earlier this week I tried to top up pressure in my boiler. The screws that allow me to do this are buggered but turns out I must have been able to turn it without realising. The pressure has gone up slowly from near zero to near 3! Now I can't turn the screw a particular way. I have no...
  5. C

    Do I have to bleed air out of the water in the boiler?

    Hi.Drained the system today after running for a week or so with radiator flush in. Turned water supply back on but,stupidly only bled upstairs radiators...Now system is not getting warm and boiler only kicks in for short stints. Bled complete system and opened valve by the 3 way / pump.lots of...
  6. R

    Where can I get the right size bleed key?

    I have some Pegler Terrier lock shields with drain off capability. A standard bleed key is too big as it appears they use a smaller square head on their valves. Anyone know where I can get a bleed key to fit. Thanks Graham
  7. T

    Had a Power Flush now looking for a bit of advice

    Hi all, This is in no way a blame thread for the recent work I have had done as the guys were top notch, just looking for a bit of advice on a few puzzling questions I have since. I had a power flush done as two of my 12 radiators were not getting hot in anyway even though the flow pipes were...
  8. A

    How to bleed a radiator like this?

    Hi, we have one radiator in our house that is different to the others, and I can see no obvious way of bleeding. I've included a pic of the top of the radiator, the other side of has the same sort of valve albeit on the other panel. Thanks
  9. T

    How to bleed Y plan system?

    hi everyone, I’ve just changed my circulation pump and I only noticed before re-fitting that the diverting valve was set on HW. So I must’ve drained the HW side to just below pump level? Then I refilled and turned it on. Is there any way I must bleed it now as it’s the HW side? Sorry if...
  10. I

    Slight drip brown water from nut / bleed valve area?

    Hi, we have 2 rads. where there is slight rusting visible around the silver nut around the bleed nipple. water is coming out but evaporates to leave a brown stain. Can I tighten nut...or will this need replacing? Do I need our usual plumber..or diy? thanks.
  11. S

    Is it possible to bleed these rads?

    There’s a finned element along the bottom.
  12. 3

    No bleed valve on radiator?

    Hi, One of my radiators has developed a trickling sound once the heating is on. This used to only happen as it first turned on and then it went away, now it is constant when the heating is on. After some research I understand this to mean there is some air trapped in the radiator (though the...
  13. S

    Bleed Value problem - not vent all air

    I have a problem with a new radiator (badly designed) where I need a bleed value that bleeds from the top instead of the middle of the value. Don't know if there is such a thing, can't find one. The issue is that the radiator has 4 upright columns that are linked at the top by a round pipe. The...
  14. F

    Bleed Valve bleed nipple query

    Can someone please advise if it's normal for new bleed valves to be weeping very very little from the bleed hole? I replaced all the bleed valves on my radiators and even tho they're tightened some of them have a wet patch on the bleed hole and I know if water can get out air will get in. I have...
  15. T

    Which is correct order to re-pressurise boiler & bleed rads

    Hello, Was wondering if anyone could give me a step by step guide on how to re-pressurise my boiler and also bleed radiators? Have detached a rad and reattached it. Have not at this stage opened the lockshield valve nor bled the rads. Do I: Check all nuts are tight so no leaks Open lock...
  16. K

    15mm stopcock with bleed drain (where to buy)

    Hi all. Can anyone tell me where to get one of these - 15mm stopcock with bleed drain. I don't have a clue how to upload a picture here so here is one on my Hotmail folder. Note the flow direction, so the system can be isolated and drained https://1drv.ms/i/s!AlXOOGaTv36QgQ2V0GUyAh0zJRgp
  17. C

    Integral bleed valves

    Wondered what people's opinion is on integral bleed valves, like on Myson Premium HE. I had thought replaceable ones might be better as it seems to be a place for rust (possibly not closed properly?)
  18. GQuigley67

    old bleed screws

    require an old bleed screw for a cast iron radiator in a church, anyone know where I may find such a thing ?
  19. K

    radiator leaking from hexaganol bolt/nut at top of radiator (not bleed value)

    Can anybody help with this as haven't seen this before (I'm not a plumber) many thanks
  20. T

    Leaking radiator

    Hi I wonder if someone can help, the pressure in my boiler keeps dropping and I am having to keep adding water to it to bring it up to 1.5, I have discovered that I have a leak on one of my radiators so this seems like a good explanation. I have done loads of reading this morning but most of...
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