GOST 21863-1978
Threaded pipeline connections. Reduce tees. Construction

Standard No.

GOST 21863-1978

Release Date

1978

Published By

RU-GOST R

Latest

GOST 21863-1978

Replace

GOST 15789-1970 GOST 21863-1976

GOST 21863-1978 Referenced Document

• GOST 15763-1991 Threaded pipe fittings for P nom to 63 MPa (630 kgf/cm<(hoch)2>). General specifications*， 1991-12-23 Update
• GOST 22525-1977 Threaded pipeline connections. Pipe nipple ends for union nuts. Construction

GOST 21863-1978 history

• 1978 GOST 21863-1978 Threaded pipeline connections. Reduce tees. Construction
• 0000 GOST 21863-1976
• 0000 GOST 15789-1970