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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.
NEW CONDITION! Never Fired. Extras in the Sale Includes 20 Rounds of Home Defense 12 Gauge Ammo, Barrel Heat Shield & Stock Shell Holder Accessories. Very Well Made Shotgun.
Sorry, No Trades. Sale to be completed in Florence, Oregon at an FFL Dealer. Must Be 18 or Over. Standard Backround Check...
I have here a Winchester Model 1906, 22 long rifle pump rifle. The serial number shows it was built in 1927. There is almost no bluing left and some minor surface rust pitting but a very smooth solid shooter and no cracks in the wood. Gun has a very rare Lyman tang sight. The brass magazine was...
Beautiful Winchester 62a, 22 long rifle pump action rifle, 1953 production according to the serial number. Minor bluing wear where the barrel meets to receiver, very small amount on the barrel, most on the mag tube. Functions like a new gun.
Asking $700 based on Gunbroker listings and what I...
Selling my jts 12 gauge pump shotgun bought it close to a year ago shot it a good few times had no problems with it other than it not racking a shell once or twice selling it with about 40 shells $175 without shells $200 with them OBO buyer pays transfer fee could possibly settle for a trade as...
Been sitting in the safe far to long unused!
12 gauge that’s been very lightly used at the range. I’ve put about 250 target loads through it.
Have all 3 chocks for it, F, M, IC.
28 inch barrel.
Not looking for trades.
Buyer pays cash.
Buyer pays transfer fees.
Local pickup only around SW Portland.
winchester 1300 xtr 12ga pump
28" barrel with 3 chokes and tool
light weight model
clean and shiny bore
excellent condition, only have fired maybe 10 times, just sitting in safe rest of time....into hunting birds and this gun is just to pretty to take into the brush in my opinion, so...
Up for sale is a beautiful brand new Gforce 12ga pump in Cerakoted nickel. Excellent shotgun bought two but, deciding to sell this one. 18.5in barrel, walnut wood, 2 3/4 - 3in shells, and holds 4 +1. Local sale only buyer pay fees. If have any questions please DM me and I will try to answer...
Have a used Stoeger P3000 for sale. Has some rust and wear but functions fine and kills birds. 3in chambering, 28in vent rib barrel. Takes same chokes as Benelli.
Looking to get $175 (will post pictures when I get home tonight)
Edit: slight bulge in barrel
Apparently if u are homeless u can open fire on any one you want with no consequences. Unbelievable.
LIKE NEW Remington 870 Express Tactical Pump 12ga Shotgun + Extras (Shell Holders, Bandolier, Ammo)
I have shot about 25 or less rounds through this gun over the last 2 years...
It comes with the furniture, bandolier, buttpad and ammo.
You pay FFL fees and I would prefer the FFL to be around...
This Winchester Defender 1300 pump is in absolute mint condition, has the long 7 round magazine tube and also has an aluminum mounted 235 Lumens weapon light with a 534' range. It projects an enhanced transition halo with a bright spot in the center so one can see what they are drawing a bead...
This is a NEW in the box Rock Island Armory VRPA40 12 gauge shotgun.
Magazine fed 5+1 capacity of 2-3/4" and 3" shells, Magazines are interchangeable with other RIA VR Series Shotguns. comes with 2 magazines, box paperwork etc
FTF in Lincoln City at my FFL and I will pay the transfer...
Thought this seemed like a good deal for a truck gun or something to bury in the woods. It has some pretty good reviews.
Sportsman's gives a 5% discount to military and doesn't charge for shipping it in or for the BGC either...