Morrison Bros Fig. 691, 691B, 691BSS Full Port Ball Valves
Item Series:
Morrison Bros Fig. 691, 691B Full Port Ball Valves
Downloadable Resources:
FIG 691/691B SPECIFICATION SHEET
FIG 691BSS SPECIFICATION SHEET
Product Ordering Information:
(691 & 691B)

(691BSS)
Products Description & Features:
Description:
Ball valves are used throughout fuel piping systems where a shutoff is required or desired.
Features and Details:
(691 & 691B) • Quarter turn operation • Full port for maximum flow and minimum pressure drop • Can be operated in partial open position for flow control • Double seal allows the valve to be operated in both directions • Blowout proof stem • 600 PSIG non-shock cold working pressure rating for ¼″ to 2″ size • 450 PSIG non-shock cold working pressure rating for 2½″ to 4″ size • Can be used for air service • 691B is lockable with a padlock.
(691BSS) • Female NPT threaded inlet and outlet • Quarter turn operation
• Full port for maximum flow and minimum pressure drop • Can be operated in partial open position for flow control • Double seal allows the valve to be operated in both directions • Blowout-proof stem • 1000 PSIG non-shock cold working pressure • Can be used for air service • Lockable with a padlock.
Materials of Construction:
(691 & 691B) • Forged brass body • Hard chrome plated ball • PTFE seal.
(691BSS) • Body and ball... CF8M stainless steel • Seal... pure PTFE.
Certifications and Listings:
(691 & 691B) - UL 842 listed for flammable liquids, UL 125 listed for LP gas shut-off, CSA listed (File No. 112439, Model S.95), ULC listed (ULC/ORD-C125-1992, ULC/ORD-C842-M1984 and ULC/ORD-C258-03).
(691BSS) - Test standard API 598; NACE compliance MR-01-75.
Please inquire about product information, installation services, bulk pricing, variable lengths, quotes or any questions you may have!
sales@railyardsupply.com
(610) 652-5218

