Lokring, manufacturers of the patented no weld fitting connection technology

Carbon Steel Pipe Fittings

Qualified matching pipe:

Seamless carbon steel to ASTM A106/A535
ERW carbon steel to ASTM A53E/A57

Pressure-temperature rating:

Pipe NPS	Pipe Sch.	Design Pressure* Psi (Bar)	Design Temperature** Degrees in F° (C°)
1/4"	40/80/160	8,810 (607)	-20 to 650 (-29 to 343)
3/8"	40/80/160	7,470 (515)	-20 to 650 (-29 to 343)
1/2"	40/80/160	7,000 (482)	-20 to 650 (-29 to 343)
3/4"	40/80/160	5,870 (404)	-20 to 650 (-29 to 343)
1"	40/80/160	5,300 (365)	-20 to 650 (-29 to 343)
1-1/4"	40/80	4,460 (307)	-20 to 650 (-29 to 343)
1-1/2"	40/80	3,900 (269)	-20 to 650 (-29 to 343)
2"	40/80	3,230 (222)	-20 to 650 (-29 to 343)
3"	40/80	2,470 (170)	-20 to 650 (-29 to 343)

Notes:
* On Schedule 80 matching pipe to ANSI B31.3 at ambient temperature. See Specification FS-3000 for details.

** Do not use carbon steel fittings in "sour" services. LOKRING stainless steel fittings may be a suitable altenative. Contact your LOKRING distributor for details.

Selected MAS fitting configurations

(See appropriate product catalog for available
configurations and dimensions.)

Many standard and special fitting configurations other than those shown are available.

U.S. Headquarters:
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Willoughby, Ohio 44094
Map to LOKRING

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Phone: (440) 942-0880
Fax: (440) 942 -1186