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How to handle air pressure circuit with very different setpoint values

I'm a hw/sw guy, with a very limited knowledge about pressure/pneumatic circuits. For my new job I have to design a closed-loop controller to inflate and maintain two chambers with a given pressure. ...
Mark's user avatar
  • 113
0 votes
2 answers
57 views

Piston Compressed Pneumatic Cannon

During an discussion with friends regarding pneumatic cannons, I came up with this gem :). Piston power pneumatic cannon. My friends however, didn't share my excitement regarding this revolution in ...
Haggis2.0's user avatar
0 votes
1 answer
42 views

Why would the compressor provide more pressure than necessary? Isn't the pressure determined by the resistance?

I clearly misunderstood something
Osvaldo Silva's user avatar
-1 votes
1 answer
934 views

How to build a hydraulic standing desk?

I am trying to build a standing desk but I want it to be wireless (aka - no electricity needed). My idea is: have 4 hydraulic pistons that extend (from 60 cm (25in) to 120 cm (50in)). They will be ...
Miro's user avatar
  • 99
0 votes
1 answer
61 views

Pneumatic pressure sensing in a moving air compressor line

I am building an automatic control system for an compressor that stops at a designated pressure. Here's a rough sketch of the system: The compressor should receive the on signal from the ...
Alex's user avatar
  • 101
1 vote
1 answer
70 views

Are there hydraulically actuated pneumatic valves?

I am working on a hydraulic system that is powered by an air-hydraulic piston pump, the pump uses pneumatic pressure to drive a piston which then pressurizes the hydraulic system. The system needs to ...
David's user avatar
  • 31
0 votes
0 answers
260 views

Using Density Correction Factors for Fans and Blowers

I've been researching fans/blowers and their use in pneumatic systems (particularly conveying systems), and I'm confused by the application of density correction factors. Let me describe a sample ...
Sean Ericson's user avatar
-1 votes
3 answers
1k views

How do I limit the pressure of a tank to a fixed PSI?

I previously asked about the safety of connecting my 150 PSI air compressor to my auxiliary 120 PSI tank. I was warned of possible compromise of the tank which can lead to injuries and even death. It ...
user148298's user avatar
-1 votes
3 answers
4k views

Is it safe to use a 125PSI rated auxiliary air tank with a 150PSI air compressor?

I have a small, 5 gallon, pancake compressor which has a maximum 150PSI rating. Unfortunately, it doesn't have the air capacity to power the demands of an HVLP paint sprayer or a die grinder without ...
user148298's user avatar
1 vote
2 answers
69 views

Regulating pressure down inside vessel as it increases

I want to keep the pressure inside a balloon (effectively - a rubber vessel) constant, as the balloon is compressed. I'm wondering if a regulator like this (wiki page here showing mechanism - I ...
Oliver Walters's user avatar
0 votes
1 answer
61 views

How to ensure uniaxal and uniform force application on uneven samples using pressurized fluids

I am trying to apply a compression force to samples using air. I do not want to directly apply my loading since my samples are irregular. I do not wish to process them with a flattening step. I hope ...
TheCodeNovice's user avatar
1 vote
0 answers
44 views

Choosing a blower for a Pneumatic Conveyor

Basically we are designing a pneumatic conveyor system for transferring 11 tons of beans per hour. We need to decide on the specifications of the blower. What are the calculations necessary to decide ...
Vinay's user avatar
  • 111
1 vote
1 answer
519 views

Pneumatic cylinder: Pressure rating

I want to create a Pneumatic cylinder, The purpose is, Inside it will will contain a Nylon piston, and one end will be filled with clay. Cylinder will be closed from either side using end caps, which ...
Athul's user avatar
  • 111
0 votes
2 answers
2k views

Is it standard practice to use a pressure relief valve as a pressure regulator?

I'm attempting to understand the difference between a pressure relief valve and a pressure regulating valve. From my research far, I've come to the following conclusion: Pressure relief valves are ...
Izzo's user avatar
  • 189
1 vote
1 answer
1k views

How can I connect a silicon hose with 2mm inner diameter to a smaller 1,9mm port

The biggest diameter of my pressure sensor input port has a size of 1.93 mm. The silicon hose which I want to connect with the sensor's port has an inner diameter size of 2.0 mm. My honeywell ...
user3352632's user avatar
2 votes
1 answer
2k views

How strict is the direction of air flow in a single direction pneumatic solenoid valve?

I am currently designing a small pneumatic system that pumps air into an airbag, holds the air in, then releases it to the atmosphere. Each pump in the system actually feeds two sets of airbags and ...
Beginner116412's user avatar
4 votes
0 answers
2k views

Estimating Maximum Speed for a Pneumatic Cylinder

I am designing an machine that is going to use a pneumatic cylinder to accelerate a projectile. I have a tentative cylinder specified, and am working on the control and supply side. I have verified ...
Ethan48's user avatar
  • 4,551