Velan - Memoryseal Split-Body Ball Valves

• Multiple solid cup and cone type PTFE stem seal or graphite packing.
• Two-piece self-aligning packing flange and gland.
• PTFE TA-Luft certified live-loaded packing available.
• Stem guides reduce side thrust.
• Long cycle life.
• Low, uniform torques.
• Blowout-proof stem.
• Live-loaded thrust washer prevents galling and provides secondary stem seal.
• Fully enclosed spiral wound graphite filled stainless body gasket.
• Meets ASME B16.5, B16.10 and B16.34, API 608, API 598, API 607 Rev. 5/ISO 10497.
• ASME Section 8 mid flanges and bolting eliminates weak center section.
• UL approved, SB-150/300 NPS 2–12 (DN 50–300).
• AGA & CGA approved, SB-150 Full Port NPS 2–8 (DN 50–200) - optional.
• Face-to-face dimensions meet ASME B16.10 long pattern or short pattern.
• Locking devices standard on lever operated valves.
• Trunnion-mounted ball on larger valves allows the ball to float in case of fire and shutoff on the secondary metal seat.
• Cavity fillers available for NPS 1⁄2–12 (DN 15–300).
• Gear actuators standard: SB-150/300 NPS 8–24 (DN 200–600) full port and NPS 10–24 (DN 250–600) regular port, SB-600 NPS 6–12 (DN 150–300) full port and NPS 8–12 (DN 200–300) regular port.

Size range(s)

• NPS 1/2 - 24
• (DN 15 - 600)

Pressure rating

• ASME Classes 150 - 600

Standard connections

• Flanged