Oilfield Spray Metal Plunger 31.8mm Rod Pump Components
Oilfield Pump Parts , Oilfield Spray Metal Plunger
Product Description
The Spray Metal Plunger is a key part of sucker rod pump. It moves up and down to extract oil from the oilwell.
Technical Specifications
| Type | Major technical data | |||
| Diameter(mm) | Barrel Length (m) | Stroke Range (m) | Thread for Tubing(in) | |
| Rod pumps | 31.8 | 2.1 | 1.5-6 | 2 3/8 |
| 38.1 | 2 7/8 | |||
| 44.45 | 2 7/8 | |||
| Tubing pump | 31.8 | 1.5-7.8 | 2 3/8 | |
| 38.1 | 2 7/8 | |||
| 44.45 | 2 7/8 | |||
| 57.15 | 2 7/8 | |||
| 69.85 | 2 7/8 3 1/2 | |||
| 82.55 | 3 1/2 | |||
| 95.25 | 3 1/2 | |||
Working Principle of Spray Metal Plunger
In the upper stroke, the plunger is on the bottom of the tubing pump. Because the hydraulic pressure from the uper tubing, both up and traveling valves will close, When the plunger go up, the stationary valve open and oil will go through the pump, since the bottom pressure is higher than the uper pressure, then the fluid will be forced to go through the stationary valve and flow into the tubing.
In the down stroke,the traveling valve open and the presure drive the oil go into the plunger from the side holeof the extractor, then go into the tubing.
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