334/336 Ball Valve

Brand: Inline Industries

The 334/336 series ball valve incorporates several innovative design features for improved process performance.

The new dual pattern ISO 5211 mounting pad facilitates direct mounting of pneumatic and electric actuators.

In combination with our high-cycle, live-loaded stem packing system, the 334/336 series ball valve provides an ideal choice for all your automation requirements.

  • Operating / Test Conditions:
    • Temperature Range: -20° to 600° F (depending on seats).
    • Maximum Working Pressure: 334F/336F - 3600 psi (Class 1500) (1/4" ~ 1") 334F - 2160 psi (Class 900)(1-1/4" ~ 1")
  • All valves built and pressure tested to ANSI/ASME B16.34, MSS-SP-110 and API 598.
  • All materials comply with applicable ASTM material specifications.
  • End connections: All to B16.34; Female NPT to B1.20.1; socket weld to B16.11; butt weld to B16.25; flanged to B16.5 Options:
  • End connections available in Female NPT, socket weld, butt weld, and flanged, in 316SS, or carbon steel.
  • High Pressure Seats and Seals.
  • High Temperature Seats and Seals.
  • Dual Pattern ISO 5211 Direct Mount Pad:
    • No mounting kit needed for automation.
    • Eliminates exposed moving parts for safer work environment.
    • Direct drive eliminates play and improves actuator positioning.
    • Dual pattern pad fits a wide range of actuator sizes.
  • High-Cycle, Live Loaded Stem Packing:
    • Spring energized stem seals self-adjust to compensate for wear, pressure and temperature changes ensuring a leak-tight seal and extending service life.
  • O-Ring Stem Bearing:
    • Maintains stem alignment.
    • Reduces packing side-loading and wear.
    • Enhances stem seal.
  • Blow-Out-Proof Stem:
    • Stem is bottom loaded to prevent removal when valve is in service.
  • 3-Piece Design:
  • Swing-out construction makes the valve easy to repair in line. Universal Valve Body:
  • Same center section can be used for both manual and automated service.
  • Locking Device:
    • Enables plant personnel to secure valve in open or closed position when manually operated.
  • Heavy Duty Construction:
  • Investment Cast:
    • High quality investment castings improve dimensional control and reduce porosity; certified material test reports are available upon request.
    • Heavy Duty 410 SS Bolts (336 only)


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