Vertical boiler flue pressure test

Vertical boiler flue pressure test

This topic has 3 replies, 2 voices, and was last updated 10 June 2019 at 17:57 by michael howarth 1.

Viewing 4 posts - 1 through 4 (of 4 total)

Author

Posts
10 June 2019 at 12:59 #413552
michael howarth 1
Participant
@michaelhowarth1
I am building a 3" vertical boiler with a centre flue with cross tubes. When talking with a wise old gent at a show last year he advised me that if I were to build such a boiler that I should do a hydraulic test on the flue and cross tubes before the assembly is silver soldered into the main barrel. The flue is 1"diameter. I am quite familiar with the mechanics of hydraulic testing but how do I go about sealing off the flue tube please. The tube is already cut to the required length.

Mick
Advert

10 June 2019 at 12:59 #26658
michael howarth 1
Participant
@michaelhowarth1
10 June 2019 at 13:13 #413557
JasonB
Moderator
@jasonb
Second picture in this post
10 June 2019 at 17:57 #413594
michael howarth 1
Participant
@michaelhowarth1
Brilliant. Thanks Jason.

Mick
Author

Posts

Viewing 4 posts - 1 through 4 (of 4 total)

Please log in to reply to this topic. Registering is free and easy using the links on the menu at the top of this page.

Code of Conduct

Latest Replies

Viewing 25 topics - 1 through 25 (of 25 total)

- Topic
- Voices
- Posts
- Last Post
- LAzar egde finder
  Started by: ian Holdsworth in: Beginners questions
- 10
- 14
- 22 October 2026 at 23:58
  Ches Green UK
- Small (ish) horizontal mill identification “Howdle”
  Started by: Rainbows in: Manual machine tools
- 12
- 16
- 22 October 2026 at 23:39
  Rainbows
- Re Inserting Angled Features – Completed The Alibre Model
  Started by: Nigel Graham 2 in: CAD – Technical drawing & design
- 1
- 1
- 22 October 2026 at 23:04
  Nigel Graham 2
- Workshop Insurance.
  Started by: Andrew Tinsley in: General Questions
- 8
- 10
- 22 October 2026 at 23:01
  Mark Rand
- What Did You Do Today 2026 1 2 … 9 10
  Started by: JasonB in: The Tea Room
- 55
- 226
- 22 October 2026 at 22:57
  Mark Rand
- Change old AC motor to BLDC motor in Sieg C6
  Started by: Jens Eirik Skogstad 1 in: Electronics in the Workshop
- 8
- 11
- 22 October 2026 at 22:27
  Huub
- What is this tool?
  Started by: jaCK Hobson in: The Tea Room
- 3
- 3
- 22 October 2026 at 22:25
  Nigel Graham 2
- PHP
  Started by: Michael Gilligan in: Website Questions, Comments, and Suggestions
- 3
- 3
- 22 October 2026 at 19:36
  Mark Rand
- Does anyone have any info about these vices 1 2
  Started by: bjcolyer in: Introduce Yourself – New members start here!
- 13
- 28
- 22 October 2026 at 18:57
  renardiere7
- Stuart twin compound
  Started by: teamricky in: Stationary engines
- 5
- 21
- 22 October 2026 at 17:56
  teamricky
- Layerling – new free CAD software for 3D printing
  Started by: Graham Stoppani in: CAD – Technical drawing & design
- 9
- 23
- 22 October 2026 at 16:14
  Fulmen
- Close-coupled Tees (Underfloor heating)
  Started by: Andy Stopford in: The Tea Room
- 7
- 15
- 22 October 2026 at 15:55
  Macolm
- Rivetting with a hydraulic press 1 2
  Started by: Martin Johnson 1 in: Workshop Tools and Tooling
- 19
- 40
- 22 October 2026 at 15:33
  DC31k
- ML7 change gear caluclator
  Started by: drnewcomb in: Manual machine tools
- 8
- 12
- 21 October 2026 at 16:47
  ega
- Making a Lathe Bench for a Myford ML10 1 2
  Started by: starjump in: Beginners questions
- 11
- 28
- 21 October 2026 at 15:33
  starjump
- Coventry Diehead CH Reassembly
  Started by: Tony Ray in: Workshop Tools and Tooling
- 4
- 11
- 21 October 2026 at 12:46
  Jan Raap
- John Haining 2″ Ruston
  Started by: Pixel_Porpoise in: Help and Assistance! (Offered or Wanted)
- 4
- 6
- 21 October 2026 at 11:01
  Dave Halford
- Pencil Sharpener 1 2
  Started by: Vic in: The Tea Room
- 18
- 34
- 20 October 2026 at 23:10
  Nigel Graham 2
- Trying a new controller
  Started by: John Haine in: CNC machines, Home builds, Conversions, ELS, automation, software, etc tools
- 4
- 6
- 20 October 2026 at 21:54
  Huub
- Model Turbines 1 2 … 26 27
  Started by: Turbine Guy in: Stationary engines
- 28
- 662
- 20 October 2026 at 19:56
  Turbine Guy
- Model seed drill.
  Started by: colingp125halls in: Introduce Yourself – New members start here!
- 3
- 4
- 20 October 2026 at 16:12
  JasonB
- ML10 and Chuck cleaning Information 1 2
  Started by: starjump in: Beginners questions
- 10
- 28
- 20 October 2026 at 01:45
  Grindstone Cowboy
- carbide insert lathe tools 1 2
  Started by: davidwf in: Workshop Tools and Tooling
- 16
- 35
- 19 October 2026 at 20:30
  old mart
- Coventry die head
  Started by: lug lord in: Workshop Techniques
- 8
- 20
- 19 October 2026 at 18:27
  John MC
- The Latest INDEX to Model Engineer & Workshop (Also past issues of MEW) 1 2 3
  Started by: David Frith in: Model Engineer & Workshop
- 7
- 56
- 19 October 2026 at 17:04
  David Frith

Viewing 25 topics - 1 through 25 (of 25 total)

View full reply list.

Latest Issue

November 2026

Buy Latest/Back Issues

Newsletter Sign-up

Latest Replies