Insert №4 Modernized (SNG-509)

The SNG-509 insert is a part of 1MCSD and is designed to seal tubing or drill pipes 73 with a sleeve diameter of no more than 95 during tripping operations under pressure. The couplings must have chamfers not less than those specified in GOST 633-80 for pipes (tubing) and GOST 631-75 for drill pipes, sharp edges are unacceptable.

Technical details:
Working pressure, MPa - 21
Precise dimensions, mm - 180 х 160
Weight, kg - 7
Diameter of tubing for flushing collar, mm - 73