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Chinese Famous ABM large Pneumatic Control Valve with ABB V18345 V18346 Control Valve positioner
Chinese Famous ABM large Pneumatic Control Valve with ABB V18345 V18346 Control Valve positioner are designed with features for optimized pressure, flow, and process control. An optional drilled attenuator controls noise and vibration from high pressure drop liquids and gases. The splined shaft connection to the actuator reduces lost motion
Specification
Certifications | CRN, CUTR, NACE, PED |
Critical Service | Cavitation, Noise Abatement |
Flow Characteristics | Linear/Modified Equal Percentage |
Material | Carbon Steel |
Operating Temperature | Low Temperature (<-384F) |
Valve Size | NPS 1, NPS 2, NPS 3, NPS 4, NPS 5, NPS 6, NPS 8, NPS 10, NPS 12, NPS 16 |
Special features
Features Excellent Flow Control: The splined shaft to actuator
connection, double power-end bushing assemblies, and trunnion
guiding, all provide improved dynamic control. Aerodynamic
Performance: Up to -20 dBA acoustical attenuation can be achieved
for the Wuzhong with Aerodome within a single stage construction.
Dual-stage construction can provide up to -25 dBA attenuation.
Improved Service Life: The attenuator is not part of the seal
assembly. The seal wipes the ball surface, not the attenuator,
promoting increased service life. Construction Versatility: All
parts are interchangeable. The valve construction can be altered by
adding/removing a dome attenuator and/or seal. This allows for
flexibility to meet your changing demands Thoroughly Tested: Valve
construction cycle and flow tested in laboratory subject to full
CL900 pressure drops and beyond full expected life Design
Simplicity: Tailpieces are the same no matter what seal and dome
quantity is chosen. Sour Service and Sour Crude Oil Capability:
Standard construction materials comply with NACE standard
MR0175/ISO 15156 Heavy Duty Trunnion: The ball trunnions are
designed for demanding applications requiring long service life,
with a reduction in maintenance time and costs. Broad Hydrodynamic
Applications: Single and dual stage attenuators for the V280 with
Hydrodome may be provided for a varying range of applications. A KC
value of 1.0 is achievable depending on service conditions Flexible
Applications: The attenuator is active throughout the ball rotation
for very demanding services or characterized attenuator is used to
match the service conditions Tight Shutoff: Self-adjusting seal(s)
that are pressure assisted provide tight shutoff for long reliable
service. The design incorporates a heavy duty S31600 stainless
steel carrier that retains the composition seal for full-rated
pressure drop service.