All Questions
10 questions
0
votes
1
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355
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Displacement and force control with pneumatic cylinder
Good day,
I was confronted with the task to develop a new controller for pneumatic cylinders. The control channels are displacement and force. A load cell is used to measure the force (analog signal). ...
- 1
0
votes
3
answers
87
views
Passive gas mixing valve that takes fixed ratio of gas from two different inputs
I am designing a device that requires a gas (air) valve that takes the same volume of gas from two different input ports IP1 and IP2.
The output port OP will have lower pressure than both of the ...
- 3
0
votes
1
answer
412
views
Confusing terminology for "normally closed/open" - It means the opposite in electronics (relays) versus fluids (valves)
I'm an electrician and "normally open" / "normally closed" is well known to me. I recently started to also work on heating systems including the pneumatic system that controls some ...
- 119
1
vote
2
answers
78
views
Is there anything close to automatic shuttle valve?
I am building a pneumatic system that needs an automatic shuttle valve. That means if I apply air pressure on one of the inputs In1, it closes the other input In2 and creates a path between In1 and ...
- 11
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 ...
- 31
3
votes
2
answers
618
views
Why do pneumatic valves need both a Safety Relay and an Air Dump to be safe?
If air dumps safely release pneumatic pressure from an industrial machine when an E-Stop is pressed, why is it also standard practice to cut electrical control power from the valves with a safety ...
- 131
1
vote
1
answer
470
views
Can air flow occur in both directions in a 2 way solenoid valve?
I'm designing a system where I need to fill and exhaust air from an an air bag. The air will be supplied from a dc motor. As of right now I've been considering placing a 2 way solenoid valve for air ...
- 11
1
vote
0
answers
29
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Is this Proportional Electro-pneumatic valve a direct replacement for other valves listed?
In the midst of trying to redesign the pneumatic subsystem of a combined system, I'm at the point of validating a new valve would serve as a direct replacement. The reason for the redesign is an ...
- 111
0
votes
1
answer
143
views
How to maintain a static negative pressure in a valve?
My target is to create a valve with multiple inlet capillaries. And my output is a pipe of a larger diameter. I do not want to use any electrical systems, and at the same time, I want to maintain ...
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 ...
