- Steel drums typically have two openings (Bung-holes), one with a 2" plug and another with a 3/4" plug.
- To install Air-Lock, remove the existing 2" bung plug and replace it with Air-Lock. Do not use thread sealing tape or other sealers on the Air-Lock threads.
- Tighten Air-Lock by hand or wrench until the O-ring is fully compressed. Do not tighten more than 12 ft-lbs. Do not use the Schrader valve as leverage.
- Check to ensure the three-quarter inch bung plug is tight and sealed.
- Attach an air compressor to the Schrader valve and pressurize the drum the air compressor regulator must be set to 100 psi or less.
- The yellow fluorescent indicator will begin to travel and become visible when the headspace pressure reaches 1.0 psi the indicator will stop and reach its limit at 1.5 psi.
- Stop pressurizing five seconds after the indicator stops rising or when the headspace pressure is approximately 2.5 psi.
- As a safety measure, the relief valve will open at 4.0 psi. Do not use the release valve as a stopping point.
- Check for audible leaks.
- Wait a few minutes to check in ensure the indicator doesn't drop back down. If the indicator remains visible, the drum is now sealed and protected from contamination
- If the indicator drops back down, check for air leaks.
- Attach included drum lid decal to the drum lid next to the Air-Lock for future reference.
CONTENTS
Specs
INSTALLATION
USAGE
Warnings & DISCLAIMERS
DOWNLOADS
1 Luneta Air-Lock
1 Drum Decal
1 Instruction Card
| Application | Oil Storage drums |
|---|---|
| Threads | 2" NPT |
| Shipping Weight | 6 oz. each |
| Recommended Temperature | -40°F to 200°F (-40°C to 93°C) |
| Recommended Pressure | 2.5 psi (0.17 Bar) |
| Outdoor Compatibility | UV resistant to protect against long term sun exposure |
| Chemical Compatibility | Mineral and synthetic oils compatible with Viton® and PMMA® |
Materials
| Sight Glass | Tritan® |
|---|---|
| Internal Assembly | PA6 Nylon |
| O-rings | Viton® |
| Diaphragm | Viton® |
| Springs | 302 Stainless |
| Screws | 302 stainless |
| Schrader Valve | Tritan® |
| Valve cap | PA6 Nylon |
| O-Rings | Viton® |
| Diaphragm | Viton® |
- Check airlock daily to ensure the drum remains sealed against outside contaminants.
- If the yellow indicator is visible, the drum is sealed and protected.
- If yellow indicator is not visible, the drum is not sealed and action must be taken to increase the pressure and/or investigate why the pressure dropped.
- For use on steel drums that are in good condition and capable of holding air pressure
- Do not remove the drum lid, bung, plugs or Air-Lock while the drum is sealed and pressurized. There may still be pressure even though the indicator is not visible.
- Do not use airlock if ambient temperatures are greater than 200°F (93°C) or ambient temperature fluctuations are greater than 75°F (24°C).
- Do not use airlock with a drum desiccant breather pump or filter cart.
- Do not expose airlock to chemicals, not compatible with Tritan or Viton.
- Do not clean air lock with high-pressure water.
- Do not damage or puncture the diaphragm at the bottom of airlock.
- Do not plug or block the relief valve or sight glass vent.
THE NEXT BIG THING
in chemical Storage
#1. Schrader Valve
Convenient port to add compressed air
#2. High-vis Indicator
Makes performing status checks quick and easy, no matter how many Air-Locks are in use
#3. Eyelets
Built-in eyelets for easy tagging
2
High-Vis Indicator
A High-Vis reactive indicator provides a quick and easy viewing experience.
When used in warehousing, Air-Lock makes it clear which drums are protected and which need attention.
1
Schrader Valve
This is a convenient port that makes adding pressurized air a breeze.
Its brass construction prevents corrosion and is tough enough to last for years to come.
3
Eyelets
Featured in all Luneta Sight Glasses, built-in eyelets make for easy tagging.
We suggest attaching checklists or MSDS sheets for quick reference.
4
Viton O-Ring
Extra thick O-Ring to provide a solid seal on all drums, no matter the profile.
Viton is resistant to most chemicals and extreme temperatures.
5
Relief valve
Designed to activate at just 4 psi, Air-Lock's relief valve prevents an unsafe build-up of pressure.
It requires no batteries and works 24/7 to keep you and your chemical stores safe from harm.
6
Tritan Sight Glass
Tritan is an incredible material, it simply does not crack or break under field conditions.
Luneta's Sight Glasses are made with a hex design that is compatible with a standard wrench.
#4. Viton O-Ring
Provides a secure fit on all drum types
#5. Relief Valve
Releases excess pressure for safety
#6. Tritan Sight Glass
Same material and shape as our beloved Sight Glass, simply in a new format
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Frequently Asked Questions
What is the recommended psi for Air-Lock?
The recommended psi for Air-Lock is 2.5-3.0 psi.
What type of valve is used?
Air-Lock uses a schrader valve to fill the drum with air.
Can Air-Lock be reused?
Yes! Air-Lock can be reused as long as it is in good condition.
Do the threads require Teflon tape?
Thread sealing tape or paste is NOT recommended as it may contaminate the fluid in the barrel. Air-Lock is fitted with an internal O-ring to ensure a good seal.
Still have questions?
Fill out the form below and we will get back to you soon, usually within 24 hours.
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