BHO 8L Vacuum Chamber User manual

1
User Manual
Forged Vacuum
Chamber 8L

2
Introduction
How To Use
Precautions
User Manual
Contents
Page 3
Page 3-7
Introduction Page 4
Getting Started Page 8
Troubleshooting
Contact
Page 8-11
Page 10
Page 11
Introduction
Precautions
- The vacuum oven should always be kept clean. We recommend using
isopropanol and a lint free, microfibre cloth. (Important: Ensure all cleaning
agents have evaporated before use.)
- A container under vacuum can implode and cause injury. All glass
containers must be strong enough to handle the pressure differential without
failure. If the apparatus or glassware are chipped or cracked, the container
must be replaced immediately.
- If a stand-alone vacuum pump is used with the vacuum, turn the pump
off after the necessary pressure has been reached. This will significantly
prolong the life of the pump.
- Severely over vacuuming the chamber may cause it to implode.
Product Breakdown Page 4
Specification Page 5
Online Resources Page 7
Pulling A Vacuum Page 8

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User Manual
Introduction
Our BHO Hardware stainless steel vacuum chambers, perfect entry
level product to enable an efficient and effective degassing process.
This exclusive, functional, and practical range of stainless-steel vacuum
chambers are perfect for numerous applications including degassing.
Each chamber is supplied with a 3-foot hose which connects directly to
a vacuum pump and 3/4” thick, clear acrylic to protect the user while
still allowing visibility within the chamber.
With high quality 304 stainless steel used to manufacture all our
chambers they can to be used thousands of times without losing
performance.
All vacuum chambers are tested and signed off by the BHO Hardware
engineering and quality control department before being dispatched to
customers. All BHO Hardware chambers come with a 2-year guarantee.
8L Vacuum Chamber
Features
A glycerine-filled gauge to provide an accurate vacuum reading
Two 1/8” BSP ball valves to ensure a tight seal.
A Crystal clear 3/4” acrylic lid with a heavy-duty silicon seal to
maximise performance and useability
Welded handles to make moving the chamber much easier on the user
Thick metal bottom to allow for more efficient heat transfer

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Introduction
Product Breakdown
3/4” Acrylic Lid and silicon seal1
Glycerine filled gauge
2
304 Stainless steel with thickened base
3
3ft Hose4
1
2
3
4

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User Manual
Specifications
Name, Index, Type 8L Vacuum Chamber
How To Use
Online Resources
1. For more information including a full walkthrough of the
Vacuum Chambers, please visit:
www.bhohardware.com and search ‘Guides and How To’
18L Vacuum Chamber

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How To Use
Getting Started
1.To begin, place your product inside the chamber on a non-stick sheet
(Honey Slick Non Stick PTFE Sheets can be purchased through our
website)
2. Next place the chamber lid on top of the, ensuring the seal lines up
with the rim of the chamber.

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3. Take the hose from the chamber and connect it to a pump, the barbed
fitting on the hose should screw straight into the outlet on the pump as
shown. Then take the opposite end of the pump and attach it barbed
valve on the lid.
How To Use
Pulling A Vacuum
1. You are now ready to pull a vacuum on your product.
Simply close the outlet valve as shown and turn on the pump.
(Tip: If a vacuum is not pulled, apply pressure to the lid to ensure a seal.)

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3. Once the gauge on the lid registers ~-30hg (allow for 2 degrees of
inaccuracy) the inlet valve can be placed into the ‘off’ position and the
pump and hose disconnected. (The pump can be turned off at this point)
Your product should expand in the chamber and form a ‘muffin’ while
under a vacuum.
This is a normal part of degassing and the ‘muffin’ should not touch the
lid. If you feel it is going to, very slowly open the valve and as soon as
the product begins to shrink, close the valve again and then let it sit.
2. If using in conjunction to a heat mat, place the chamber onto the mat,
preheated at ~25°c.

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4. You want to leave your product under vacuum for a minimum of 24h
before flipping and vacuuming for a further 24h.
5. After you have finished vacuuming your product, slowly release
the outlet valve to release the vacuum and then remove your finished
product.

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User Manual
TroubleShooting
Problem Possible Reason Solution

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Thank you for buying with BHO Hardware.
We hope your newly-assembled hardware suits your
requirements. If any problems arise with our equipment,
contact our team via the following:
[e-mail]
www.bhohardware.com
0114 229 1807

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Thank you.
[e-mail]
www.bhohardware.com
0114 229 1807