Subs for pump and compressor pipes under GOST 23979-80

The subs are designed for coupling different pump and compressor pipes with different diameters as well as for underground equipment having connector ends with the threads of pump and compressor pipes.

Following types of subs are manufactured:

  • P – adapter-type (М-N);
  • М – coupling-type;
  • N – nipple-type.
  • The subs are manufactured in all standard sizes according to GOST 23979-80.
  • The subs are manufactured with threads of different standards: NKT, I, 0, foreign types No. Т and VBRT.
  • The subs are manufactured with right and left connection threads.

Following types of subs are manufactured:

  • P-subs with triangular profile thread for coupling plain pipes with pipes with upset ends;
  • PG-subs with acme thread for coupling highly leak-proof pipes;
  • PB-subs for coupling flush-joint pipes with upset ends;

Strength groups: D, К, Е, L, М, R

  • Manufacturing of subs according to customer’s requirements specification is possible.
Purpose
Design features