Internal Shock Absorbing Plunger
The PCS ISP Plunger(Internal Shock Absorbing Plunger), also called a Viton Plunger, is designed to reduce scale buildup and has a built in spring to run directly off of the seating nipple.
The PCS ISP Brush Plunger is designed for wells that not only have problems with scale, but problems with salt, sand and coal fines, also for wells with tubing irregularities.
Specs:
Brush Plunger:
| Tubing Size | Brush OD | Optional OD |
| 1 ¼" | 1.265 | N/A |
| 1 ½" | 1.550 | N/A |
| 2 1/16" | 1.640 | N/A |
| 2 3/8" | 1.930 | 1.910 |
| 2 7/8" | 2.365 | N/A |
Pad Plunger:
| Tubing Size | Closed OD | Open OD |
| 1 ½" | 1.445 | 1.580 |
| 2 1/16" | 1.600 | 1.720 |
| 2 3/8" | 1.870 | 2.020 |
| 2 7/8" | 2.330 | 2.460 |
| 2 7/8" optional | 2.215 | 2.350 |
| 3 ½" | 2.550 | 2.880 |
| 3 ½" optional | 2.765 | 2.920 |
