Brass Ball Valves - 666RTTS Series

600 Series - 666RTTS - Brass Ball Valves


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.


High integrity hot forged brass body Blow-out proof stem PTFE seats Adjustable PTFE packing with stem O-Ring 100% tested Lever operated  


Data Sheet
666RTTS Series Data Sheet
Dimensional drawing
666R Series (all brass), FNPT Ends, 1/2" - 2", Lever Oper.
666R Series (all brass), FNPT Ends, 1/2" - 2", Ext. Stem, Lever Oper.
I & M
666RTTS Series I & M
Marwin Condensed Catalog
Other documentation
Steam Ratings

Ask a Question