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pump
A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action, typically converted from electrical energy into Hydraulic energy. Pumps can be classified into three major groups according to the method they use to move the fluid: direct lift, displacement, and gravity pumps.Pumps operate by some mechanism (typically reciprocating or rotary), and consume energy to perform mechanical work moving the fluid. Pumps operate via many energy sources, including manual operation, electricity, engines, or wind power, and come in many sizes, from microscopic for use in medical applications, to large industrial pumps.
Mechanical pumps serve in a wide range of applications such as pumping water from wells, aquarium filtering, pond filtering and aeration, in the car industry for water-cooling and fuel injection, in the energy industry for pumping oil and natural gas or for operating cooling towers and other components of heating, ventilation and air conditioning systems. In the medical industry, pumps are used for biochemical processes in developing and manufacturing medicine, and as artificial replacements for body parts, in particular the artificial heart and penile prosthesis.
When a casing contains only one revolving impeller, it is called a single-stage pump. When a casing contains two or more revolving impellers, it is called a double- or multi-stage pump.
In biology, many different types of chemical and biomechanical pumps have evolved; biomimicry is sometimes used in developing new types of mechanical pumps.
This Benelli SuperNova has been shot lightly and runs well,
Has extended magazine to increase to 8+1 capacity, which has performed well.
https://www.sportsmans.com/shooting-gear-gun-supplies/shotguns/benelli-supernova-pump-shotgun/p/p42310
Will ship with original magazine tube (4+1),
Have...
It worked perfectly the last time I used it a few years ago.
Not sure if the BSA scope came with the rifle or if I added it.
Will include several hundred BBs and .177 pellets
No trades please.
Meet in Beaverton.
First things first, This is not my rifle and you will be dealing with its owner whose father left to him. I am just listing it for him. He resides in Tualatin and meeting any gun laws are your responsibility. More pix are available if your interested .
One rifle is a Springfield trap door in...
You are buying a used Mossberg 500C 20 Gauge Pump Action Shotgun. The Mossberg has a 28 inch barrel. The firearm comes from an estate and is in nice condition. Shipping is $60 USPS or for local pickup $10 OSP Background Fee. The owner is not interested in trades.
Benjamin marauder 22 pcp and pump. Both work great. I just don’t use the marauder as much since I can shoot firearms where I live. Let’s do $300 for all of it. I also have I believe 3 of those round mags for it. Barska scope on it. Accurate little package. Always hit my mark. Should have a...
Will not let me add pics at this time. Can send pics if you are interested must meet in Eugene KEL-TEK KSG 12 $800 cash or possible trade.
Can message me at [email protected]
Trades I’m most interested in are as follows
Rifles
Semi auto pistols
Rmr plus cash
Ammo plus cash 300blk 308
Ar uppers
If you have had success running chamber adapters in a pump action shotgun, how did you make it work?
I bought a cheap turkish made 12ga pump action shotgun and would like to set it up as a dedicated chamber adapter shotgun. My thought is to modify the extractor so it will no longer extract a...
Date code puts it at Dec 1948. In good shape, down side is that someone decided to D&T for a scope mount and only 3 of the holes are in a straight line
I found a short rail section that works perfect for a red dot, the pictured red dot is NOT included, just there for show & tell. For me the red...
2 Benjamin Marauder bolt action PCP air rifles, one in .22, one in .177. The 22 has a scope mounted, both come with bipods. 5 tins of pellets for the 22, one small tin for the 177. One mag for the 177, two for the 22. One FX airguns manual pump included.
$900 OBO for everything.
I'm not...
I have a very old (1919 by the serial number) Remington Model 12 pump action .22 short, long, long rifle. I bought this recently, only to find out that it needs work on the bore. There is quite a bit of pitting in the bore. I am not sure if it needs a liner, replacement, or other work to get...
This could use a good cleaning. It appears to have stood around in a fairly dusty environment for a while. Action is smooth, the "Monoscope" is 3-9x32 scope is clear. Weaver base and rings. Original sights are missing and the screw holes have plug screws in them. Stock shows some finish wear and...
Used H&R Pardner Pump shotgun up for grabs. This model is basically a replica of a Remington 870 and most 870 parts are interchangeable with this model.
Has been solid and reliable for me, perfect for a truck gun or by the bedside. Has some scuffs and scratches in finish. Only selling to make...
This Zoeller 53-D 1/3 HP Mighty mate Submersible Sump Pump is BRAND NEW!
Was a backup pump but was never used.
$200 Or Best Offer.
Description
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Submersible pump for dewatering (sump) or effluent (septic tank systems)
Features:
Float operated, submersible (NEMA 6) 2 pole mechanical switch &...
Looking to sell a nice H&R Pardner Pump 12ga. This model is basically a replica of a Remington 870 as all parts are interchangeable even the barrel with the included barrel spacer installed. The frame and components have 25rds through it and the barrel is a brand new 18.5 Remington 870...
Not a sniff. How 'bout 45 bucks each? These are all three very nice and work perfectly.
3 of 'em. $65 each. And they're all 95%+ condition.
.22 cal
.177 cal
.177 cal
https://en.wikipedia.org/wiki/Crosman_1377
https://en.wikipedia.org/wiki/Crosman_1322
The Crosman...