600 Series – 666RTTS – Brass Ball Valves

Reduced port, 2 way, 2 piece body, manual valve. 600 psi wog, threaded ends


The 666 RTTS reduced port valve has a size range of 1/2″ – 2″, reduced port. It is a two piece entry with FNPT ends. Temperature range / WSP is -40°F to 366°F / 150 psi steam. The seats are PTFE and the stem packing / seats are adjustable PTFE / Buna-N O-ring. It is a manual lever, non-locking operator.

666RTTS Series Data Sheet
600 Series I & M
Marwin Condensed Catalog

Dimensional Drawings
666R Series (all brass), FNPT Ends, 1/2″ – 2″, Lever Oper.
Download 666R Series (all brass), FNPT Ends, 1/2″ – 2″, Ext. Stem, Lever Oper.

Other Documentation
Steam Service SP Ratings

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