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arrestor

A flashback arrestor or flash arrestor is a gas safety device most commonly used in oxy-fuel welding and cutting to stop the flame or reverse flow of gas back up into the equipment or supply line. It protects the user and equipment from damage or explosions. These devices are mainly used in industrial processes where oxy-fuel gas mixtures are handled and used. Flashback arrestors as safety products are essential to secure the workplaces and working environment. In former times wet flashback arrestors were also used. Today the industry standard is to use dry flashback arrestors with at least two safety elements.

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  1. S

    Should a water arrestor be banging?

    Hi, I had a problem with water hammer where the pipes in my house would bang every time I turned a tap off quickly. I called a plumber and he advised fitting a water arrestor, which I'd heard about after looking the problem up online, so I agreed and had one fitted. The banging sound has gone...
    • Samtheman
    • Thread
    • america arrestor banging noisy pipes should usa water water hammer
    • Replies: 4
    • Forum: USA
  2. Beercan

    Banging despite arrestor being fitted

    Hi all, Whenever a cold tap or the washing machine is used in our house there is a single bang each time as it is turned off. This can be heard around the house but is loudest at the combi boiler in the upstairs airing cupboard. There is a shock arrestor fitted near the boiler which I have...
    • Beercan
    • Thread
    • america arrestor banging being fitted usa
    • Replies: 5
    • Forum: USA
  3. G

    Hammer arrestor on dishwasher?

    I have some severe water hammer going on. Behind the bath upstairs where I cannot access the pipes. It is is mild when a cold tap is turned off or the toilet is flushed BUT it's horrendous when the washing machine and dishwasher run. I have bought an arrestor to put on the washing machine but...
    • Gem1983
    • Thread
    • america arrestor dishwasher fitting hammer usa
    • Replies: 2
    • Forum: USA
  4. S

    Setting up a shock arrestor pre charge

    Ayup guys n gals, as title says. I’ve never had to fit one purely for water knock before, only on combi boiler installs. Thanks in advance
  5. B

    Can I fit more than one mini Water Hammer Arrestor?

    I'd be grateful for any advice re the following: Background I have a mini water hammer arrestor on the cold feed into my combi boiler, which is situated in the airing cupboard on my house's landing next to the bathroom. Please see the photo. The arrestor was fitted when my old gravity...
  6. J

    Shock arrestor on cold water pressurising hot water?

    Hi all, new here. Spark, not a plumber. I have a question about something at my house that's puzzling me. Combi boiler system in a terraced house. I've had water hammer/water shock whenever something is turned off quickly, mainly the washer. I fitted a PRV just after the stopcock and reduced...
  7. X

    boiler fires when cold shut off

    hi fitted a vokera boiler fan starts for few seconds when cold water shut off upstairs not kitchen sink, turn stopcock to reduce pressure, no joy, no dead legs pipework new, would you recommend a non return valve or shock arrestor. any help would be appreciated. regards
  8. B

    Water Hammer Arrestor

    Hey, I have some water hammer going on when my washing machine fills, so I have bought a water hammer arrestor Which is all great but when it arrived, it has a massive warning on the back saying that it contains 'cancerous causing chemicals...'. With a bit more research I think that it...
  9. D

    Water Hammer: new tap or arrestor valve?

    Hi there, First time poster here. A few weeks back, our kitchen mixer tap started leaking so I changed the washer...and since then we've had water hammer when using the kitchen hot tap (or the upstairs hot tap -sink or shower- causes water hammer noise in kitchen). Fortunately, there is value...
  10. R

    Anyone know what this is called?

    Hi chaps, looking for help to find a replacement one of these. Im not even sure what its called. Ive seen strainers before but never with the bottle on top. Anyone know what its called please? Thanks
  11. B

    Advice re replacing a water hammer arrestor

    Hi I need to replace a water hammer arrestor on the cold feed to my combi boiler. (I have tried recharging it with air, but it's not holding the charge for very long.) As you can see from the photo (below) the arrestor has a male thread which I believe is 1/2" which fits into a female BSP...
  12. B

    Advice needed re recharging a water hammer arrestor

    Hi, I would be grateful for advice regarding how I can recharge a water hammer arrestor. Background: Just over 2 and a half years ago the old gravity system in my medium sized 3 bed semi was converted to a pressure combi-boiler system by British Gas. Immediately after this I experienced water...
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