Available versions:
Connection design: flange or thread.
|
MPa |
14 |
|
psi |
2000 |
Polished rod size 19.32,38 mm. (3/4", 1 1/4", 1 1/2" inch).
Connecting thread according to API or any other thread is available.
M-type stuffing boxes of special design could be used for passing of heating cable into the well and for sealing the cable while tubing string cleaning. Possible diameter of the heating cable is 20mm and 25mm.
Basic advantages
- possible replacing of the stuffing-box packing seal under pressure;
- compensation of polished rod deviation up to 4 mm with full leakproofness up to 1 500 000 cycles;
- completing with additional polished rod seal is available;
- RAM BOP (spring energised) for case of stem breakage is available.
