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Post by Deleted on Nov 29, 2019 22:18:38 GMT
I've seen many a gate valve on mains pressure  |
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Post by Deleted on Nov 29, 2019 22:19:41 GMT
Many internal water meters down here have a lever valve attached.
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Stop cock
Nov 29, 2019 22:41:25 GMT
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Post by endfeed on Nov 29, 2019 22:41:25 GMT
Many internal water meters down here have a lever valve attached. they have plenty in the Midlands too p.b👍 I like it when I see them because I've not had one let me down yet👍👍when I worked for Dyno I like it when the stop tap packing gland leaked because you could book it as a second job and book an easy hour on it...🤫 |
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Post by DIYDafty on Nov 29, 2019 22:59:10 GMT
We have an external meter linked to a plastic lever valve. Its buried in the pavement and I know the pressure is high but seems to do the job well and as far as I know there is no gland nut to worry about. Maybe its crap and I just got lucky? But I would have thought the water company would fit what they don't need to service very often ? Surely if the brass stop tap was any good they'd bury one of them instead ?
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Post by Deleted on Nov 29, 2019 23:02:14 GMT
Many internal water meters down here have a lever valve attached. they have plenty in the Midlands too p.b👍 I like it when I see them because I've not had one let me down yet👍👍when I worked for Dyno I like it when the stop tap packing gland leaked because you could book it as a second job and book an easy hour on it...🤫  tell you what endfeed I wouldn't give that Barron a job, he's a right clumsy twat. |
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Post by Deleted on Nov 29, 2019 23:03:48 GMT
We have an external meter linked to a plastic lever valve. Its buried in the pavement and I know the pressure is high but seems to do the job well and as far as I know there is no gland nut to worry about. Maybe its crap and I just got lucky? But I would have thought the water company would fit what they don't need to service very often ? Surely if the brass stop tap was any good they'd bury one of them instead ? The old brass stopcocks were great but the modern ones are crap |
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Post by cylinderfella on Nov 30, 2019 0:31:58 GMT
I've seen many a gate valve on mains pressure  Had a gate valve on my mains. Useless. Isolation not possible, trickle unstoppable. Changed for a lever. No problems in 5 years since. Lever needs a bit of convincing if it's not moved in a long while. Nut holding lever is a little rusty looking though...probably from condensation (he said hopefully avoiding the  ) Attachment Deleted |
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Post by crowsfoot on Nov 30, 2019 7:17:53 GMT
We had a thread on here last year during which I investigated why the stop tap might have originally been designed that way.
The conclusion of the experiment was that the original stop taps all had a loose jumpers inside them which in turn made them act as early non/check return valves.
I'll see if I can the video and re-post.
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Post by endfeed on Nov 30, 2019 9:58:25 GMT
I've seen many a gate valve on mains pressure Had a gate valve on my mains. Useless. Isolation not possible, trickle unstoppable. Changed for a lever. No problems in 5 years since. Lever needs a bit of convincing if it's not moved in a long while. Nut holding lever is a little rusty looking though...probably from condensation (he said hopefully avoiding the ) View Attachmentcome to think about it I had a 28mm full bore lever leaking at the nut and it was rusty and stained the ceiling tiles below it! Mybe a common fault with them? Keeps us busy I suppose 😃😃 |
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Post by tomplum on Nov 30, 2019 11:04:25 GMT
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Post by rocketmanbkk on Nov 30, 2019 12:42:53 GMT
I see gate valve stop after a couple of years. I know go for lever.
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Post by crowsfoot on Nov 30, 2019 17:40:46 GMT
Here's that video link to that loose jumper inside the stop tap turning the stop tap into a non return valve.
Perhaps when mains water was first introduced into homes the companies realised that the main needed some protection from contamination and decided that this design was the way to go - today it's all been forgotten and all manor of check valves are now needed, but hey, simple does work and above is the proof!!
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Post by DIYDafty on Nov 30, 2019 21:48:35 GMT
I could be wrong but I'm pretty sure the external stop tap in the road closes anti-clockwise. Take a quarter turn to fully close. God knows why they don't standardise on clockwise for everything.
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Post by crowsfoot on Dec 1, 2019 8:54:23 GMT
When i was at collage the tutor was a mind of useless information. He once asked the class the difference between a cock and a tap? Answer being = if it's 1/4 turn on/off then it's a cock!  The above statement would be enough get me a lifetime ban from S/fix Pete!! |
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tell you what endfeed I wouldn't give that Barron a job, he's a right clumsy twat.
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The above statement would be enough get me a lifetime ban from S/fix Pete!!