Valvcon™ Quarterback™ QB-series quarter-turn mechanical spring back-up electric actuator
The Valvcon QB-series is a continuous-duty and extremely versatile brushless DC electric actuator designed for quarter-turn valve and damper applications. It is available in both NEMA 4/4X and NEMA 4/4X/7&9 configurations. Notable standard features include multiple power and control options, mechanical spring back-up power, holding brake, heater, and CSA (C US) certification.
Flow control
Indonesia
Over the past three decades Valmet has delivered new machines, automation and services to pulp, paper and energy customers in Indonesia.
Company
I/O modules
I/O modules interface discrete and analog conventional devices into communication networks in the field. Several configurations for field-based interfaces. (Available in Field Enclosures)
From Tech Curiosity to Coding
Tiago Gadonski Cordeiro is a software developer with a strong passion for technology. He is taking part of Valmet’s Internship Program in Brazil. In this article he shares his professional journey and experiences of the program.
Insights ● Career story
Shin Tokai Paper, Japan - Cooking Liquor Measurement
Reliable alkalinity level process measurements in the impregnation, cooking and washing steps of the chemical pulping process are needed for successful implementation of optimized process control.
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Metsä Group Äänekoski, Finland - Maintenance & operations development
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Capacity increase for Aracruz Celulose SA in Brazil
Capacity increase for Celulose SA in Brazil
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HC bleaching success at Rottneros
A Valmet cost-effective HC (High Consistency) bleach plant was the natural choice when Rottneros invested to increase its competitiveness in market pulp sales. Results after the start up show that it was the right choice.
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Optimizing the continuous cooking digesters at Stora Enso Imatra Mills
Stora Enso decided to build a new short-fiber pulp line (line 3) for birch cooking, and later to modernize and convert the existing pulp line 2 to long-fiber. Thus, there was a need to optimize the cooking process.
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Burgo Ardennes stabilizes bleaching process
Optimization smooths out bleach plant operation and demonstrates an 8.7% saving in bleaching chemicals with improved brightness stability in the Burgo Ardennes mill in Belgium.
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