What is a single acting and double acting hydraulic hand pump?
We explain the difference between a single acting and double acting hydraulic hand pump in this easy animation.
Which is better for your job? Ask the experts. https://sarum-hydraulics.co.uk/
What are single acting hydraulic pumps and double acting hydraulic pumps?
Here’s the difference.
A single acting pump has a rod moving in and out of a bore with a seal.
There is an inlet and outlet non-return or check valves. They allow flow in one direction only.
On the suction stroke we pull in fluid through the inlet check valve. The outlet check is locked.
On the pressure stroke, the inlet is locked and flow is through the outlet check.
In, out, in out. But there is only flow on the down stroke. You will get your pressure flow of water, oil, fuel or whatever only on the down stroke.
Now let’s look at a double acting pump.
A double acting pump adds a piston with a seal on it and intermediate check valve through the piston.
On the suction or up stroke, it pulls in a shot of fluid below the piston and expels the fluid above the piston through the outlet check. The piston check valve stops flow down back through the piston.
On the pressure or down stroke, the inlet check is locked, a charge of fluid flows through the piston and out through the outlet check.
If we pump up and down, in and out we will have that shot of our fluid on both strokes.
Is the double acting pump something for nothing? Maybe. It is a little more complicated and more expensive but we like them.
At Sarum Hydraulics we manufacture both types of pump.
See what we do on https://sarum-hydraulics.co.uk/
Or contact us on pumpsales@sarum-hydraulics.co.uk
Видео What is a single acting and double acting hydraulic hand pump? канала Sarum Hydraulics
Which is better for your job? Ask the experts. https://sarum-hydraulics.co.uk/
What are single acting hydraulic pumps and double acting hydraulic pumps?
Here’s the difference.
A single acting pump has a rod moving in and out of a bore with a seal.
There is an inlet and outlet non-return or check valves. They allow flow in one direction only.
On the suction stroke we pull in fluid through the inlet check valve. The outlet check is locked.
On the pressure stroke, the inlet is locked and flow is through the outlet check.
In, out, in out. But there is only flow on the down stroke. You will get your pressure flow of water, oil, fuel or whatever only on the down stroke.
Now let’s look at a double acting pump.
A double acting pump adds a piston with a seal on it and intermediate check valve through the piston.
On the suction or up stroke, it pulls in a shot of fluid below the piston and expels the fluid above the piston through the outlet check. The piston check valve stops flow down back through the piston.
On the pressure or down stroke, the inlet check is locked, a charge of fluid flows through the piston and out through the outlet check.
If we pump up and down, in and out we will have that shot of our fluid on both strokes.
Is the double acting pump something for nothing? Maybe. It is a little more complicated and more expensive but we like them.
At Sarum Hydraulics we manufacture both types of pump.
See what we do on https://sarum-hydraulics.co.uk/
Or contact us on pumpsales@sarum-hydraulics.co.uk
Видео What is a single acting and double acting hydraulic hand pump? канала Sarum Hydraulics
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