English to Russian Tech/Engineering Petroleum Eng/Sci нефтеразработка

New and More Versatile Ram Design
Stream-Flo rams are designed to fit a
specific or range of rod diameters from
0 to 1½”, or to seal blind with no rod.
Rams provide improved shut-off characteristics
for low-working pressures
and for full-working pressures up to
3000 psi.
A full range...