KS-R1 Knock-off valve
KS-R1 Knock-off valve is used in ECPU (electric centrifugal pump unit) for fluid discharge from pump-compressor pipes in pulling the submersible assemblage out of the well.
| Parameter name | KS-73R1-01 | KS-73LR1-01 | KS-89R1-01 |
| Working pressure, PSI (atm) | 2674 (250) | 2674 (250) | 2674 (250) |
| Cargo capacity, t (kn) | 60 (600) | 60 (600) | 60 (600) |
| External diameter | 3 1/2″/ 88,9 mm | 3 1/2″/ 88,9 mm | 4 1/4″/ 108 mm |
| Nominal drift diameter | 2 /14″/ 56 mm | 2 /14″/ 56 mm | 2 13/16″/ 72 mm |
| Length | 7 1/16″/ 180 mm | 7 1/16″/ 180 mm | 7 7/8″/ 200 mm |
| Weight, lbs (kg) | 7,9 (3,6) | 7,9 (3,6) | 11,9 (5,4) |
| Operating ambient temperature, °К(°С) | from 233(-40) to 393(120) | from 233(-40) to 393(120) | from 233(-40) to 393(120) |
| Handling medium | drill slurry, local water, gas (gas-condensate) with H2S and CO2 content of not more than 6 % | ||
| Nipped and collar coupling thread as per API Spec 5B TBG | NUE-27/8″ | EUE-27/8″ | NUE-3½″ |
