40mm

40 mm grenade (alternative spelling: 40mm grenade) is a common design for grenade launcher ammunition. It consists of a low-velocity shell (a grenade) with a caliber of 40 mm (1.57 in).

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  1. I

    difficult customer

    i recently completed a first fix on a bathroom suite and soil and vent on a new extention. the customer seemed pleased and we were just waiting on the money when we received a phone call. the customer had tryed to do a water test on the stack by sealing it off and filling 6 meters of 110 and a 7...
  2. A

    Gas Mains Call Out

    Howzit All, Working on site today and bolstered through the gas mains.(Long story).Had to call out emergency Southern Gas Networks to repair mains pipework.They charge on time it takes to repair,which was approx 2 and a half hours,after much chatting and standing around. Any idea of what this...
  3. M

    Bath drainage - passing through flooboards?

    Folks - could someone check my proposed layout. In particular I'm scratching my head regarding the bath drain. It's got to pass through the floorboards at some point (see attached jpg) - do I put the change of direction near the trap (as shown) or near the soil pipe using a 50mm vertical short...
  4. C

    Ball valves!!

    Hi every1 can someone answer these questions please? 1) Why does the Diaphragm ball valve have an air gap and why is it better than the Portsmouth Ball Valve? What fittings are used for the following? i) Bath and shower plastic fittings are? ii) Basin fittings are? iii) W.C. fittings are?
  5. B

    Moving toilet / new waste pipe run

    Hi Just wondered if somebody could give me some advice. I've got to move a toilet from it's current position and I can't move the soil pipe on the outside of the house as it runs under the roof a lean to extension. I was thinking about putting a 90 degree bend onto the soil pipe...
  6. R

    drain cleaning chemicals

    got a job next week, there is a 8 meter straight run under flooring through kitchen and bedroom of 40mm proberbly pushfit. it is a straight run to the upstand to the sink trap and it is running slow, the run of only appears to be 8'' over all as its within the joists. i may be able to rod...
  7. A

    Bodge the Builder!

    Bodge the builder, can you fix it? Bodge the builder, no I bloody well can't!!! Well I am thinking of posting picture of some of 'Bobs' work here, seeing how it is so bad, plus much of my work is correcting it! How often do I here the cry: 'the landlord did it, he is a builder'? Only...
  8. D

    Stacking waste boss connections

    Hi All, Can anyone advise me if there is a minimum distance between multiple boss connections into a stub soil stack where they all enter the stack on one side? Unfortunately I can't get a manifold in the space available. I want to connect 2 x 40mm (1 x 40mm for double kitchen sink and 1 x...
  9. D

    Hi to All

    Hi from a newbie to this forum:) I'm a sparks and been so for coming up 30 years; (sh*t) that's a long time, makes me feel old. With work being in short supply I've turned to some DIY in my own house; I hope, like many, things will pick up soon. Not sure if I should post here for the advice...
  10. 3

    Grand Designs... 2010 Exhibition in Birmingham. Plumbers see latest innovations !

    Yes its October 2010 and the Grand Designs road-show is back in town for three days. All plumbers need a day off with the family.... Maybe come and look for some new tools or even some new ideas about what is going on in the plumbing market as well as other markets too! Something for everyone...
  11. M

    Condensate drain adaptor is leaking at soil pipe

    We recently had a new combi boiler fitted in our kitchen. The installer used a rubber adapter to fit the condensate pipe directly into a 40mm boss on an adjacent soil pipe (the adaptor is a rubber ring with ridges around the outside and inside). Now, before putting drywall over this area...
  12. K

    headache with bath waste fittings.....with photo's as always.

    hi guys, quick one i hope. im ready to fit my new bath, but have a issue regarding the waste pipe. the old one goes into the soil stack just infront of the bath, with what looks like pushfit connectors......this is better shown with photo's/ as it used to be with a 90 removed with...
  13. E

    Upstairs bathroom - WIP

    Thought I'd start a new thread for how to fit out my upstairs bathroom. It's at studwork stage with most of the first fix pipework there (hot/cold sticking out of walls but no waste pipes yet). I've started to add noggins for things like loos/basins/extractors etc and was wondering about...
  14. B

    new radiator too short-help please

    hi can someone give me some adivce please i have just replaced my old rad{1130mm} with new one {1100} so now it is a bit too short to reach the valves---i have looked on wickes and b&q web site to see if they stock Union Valve Tails ,but they do not seem to have them--could i just use a --...
  15. H

    Tapping PVC waste into an existing cast waste

    I need some advice on the best way to join into an existing cast iron waste pipe that runs just off the horizontal along the inside of the eaves of the house. I tried to use an existing angled tee (excuse the guesswork on some of the terminology) which has a lead spigot on a bulb shaped...
  16. M

    How to fix positive pressure and add a dishwasher? HepVO? Away from sink?

    We live in a second floor flat, with one more floor above ours. Our kitchen sink drains into a 40mm PVC pipe that goes directly to a soil stack about 1.5 meters away. In our flat, the kitchen sink is the only drain connected to this soil stack (there's a separate one for the bathroom). However...
  17. M

    washing machine waste connecting into 32mm boss.

    Hi, i know this is not really allowed, but, i am wondering if its possible to put a 40mm washing machine waste into the waste 32mm waste connection on a 110mm pan connector? I would reduce the 40mm to 32mm as close to the boss as possible. I look forward to your advice. Regards Mutley. Oh if...
  18. B

    40mm waste to existing imperial soil stack.

    Hi folks, I am going to replace kitchen sink waste pipe with metric. This however feeds into an imperial soil stack. Last time I did this I found the smaller metric pipe didn’t seal properly. What’s the correct procedure? Thanks in advance.
  19. K

    issue with flush pipe falling out of toilet !!

    hi guys, after a bit of advice here. just installed a vanity unit, from plumbworld - came with a concealed cistern. The pipe from the cistern to the bowl seemed to be 40mm at one end, and 32 at the other. The seal that goes into the pan is a black finned type. a dummy fit together prior to...
  20. B

    'Grunge' coming up through shower waste.

    Hi My bathroom sink recently started blocking & I eventually unblocked with a plunger - then immediately 'grungy water' (not smelly, looked like bits of green paper,) came bubbling up through the 'stand alone' shower waste! The plumber poured a bottle of acid down (either shower or sink,) then...
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