Memoryseal Top-Entry Ball Valves

Velan Memoryseal^® top-entry resilient-seated ball valves can be easily serviced or replaced in-line while the integrity of the valve is not affected. The exclusive Memoryseal seats compensate automatically for wear and fluctuations of pressure and temperature. Standard valves with MPTFE seats and graphite packing can handle steam service up to 250 psig (17.2 bar). Valves with carbon graphite filled seats are suitable for steam up to 450 psig (31 bar). These rugged, versatile, resilient-seated ball valves can meet NACE specifications.

Memoryseal top-entry ball valves are compliant with API 608 and dual qualified to API 641 and ISO 15848-1 fugitive emissions standards.

• Memoryseal^® in-tension flexible seat design
• Dual qualified to API 641 and ISO-15848-1
• Fire tested API 607/ISO 10497
• Body design: end-entry, one-piece, split-body, top-entry, unibody, and three-piece
• Available in carbon, stainless, alloy, and nickel alloy steels
• Available for chlorine, cryogenic, NACE (sour gas), nuclear, oxygen, throttling, and vacuum services