Cryogenic top-entry ball valves


Category: Quarter-turn valves
Product line: Memoryseal ball valves

  • Size range(s)
    NPS 3/8 - 3 (DN 10 - 80)
    Pressure rating
    ASME Class 600
    Standard connections
    Socket weld, Threaded

Features and benefits

● Meets ASME B16.5, ASME B16.34, API 608, API 598.
● Face-to-face dimensions meet ASME B16.10 long pattern.
● Gear actuator standard on NPS 8–24 (DN 200–600) SB-150/300 and NPS 6 –12 (DN 150–300) SB-600 valves.
● Memoryseal seats compensate automatically for wear and fluctuations of pressure and temperature.
● Long cycle life.
● Low torques.
● Blowout-proof stem.
● Stem bearing reduces side thrust.
● Multiple solid PTFE or chevron type stem seal (adjustable).
● Live-loaded thrust washer prevents galling and provides secondary stem seal.
● Fully enclosed spiral wound graphite filled stainless body gasket.
● Locking devices optional on NPS 1⁄2– 6 (DN 15–150) valves (SB-600 up to NPS 4 (DN 100)).
● Air vent on all balls.
Kiếm tiền trực tuyến ● Fire safe to API 607, BS 6755: 1) Body gasket SS 316 and graphite (standard); 2) Ball seats on body edge; 3) Stem shoulder seats on body. 

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