Ramen Valves AB

Ramén Ball Sector Basis weight control valve

Ramén KS- Basis Weight

– Soft seated control valve, DN 50 – DN 300

Basis weight control valve is a critical part in a paper machine operation controlling the the consistency of the pulp into the Head Box which dictates the paper weight and quality at the end of the process. Read more …

To meet customers’ specification, Ramén offers a reliable and highly accurate control solution which is a customized KS-type valve in material execution 1A with a special ball-shaft connection to avoid backlash, suitable for the basis weight application. The high resolution controllability is enhanced by Oden backlash-free electric actuator with stepper motor controlled by a microprocessor.

Valve features and benefits:

• Compact, low weight and robust design

• High control rangeability (300:1)

• Enhanced control accuracy with minimum backlash

• Equal percentage characteristic

• Low torque operation

• Self-drained with no hidden cavities and no clogging

• Low maintenance and long lifetime

Actuator features:

• Backlash free with control precision of 5.000 steps in 90° valve travel

• Adjustable running time and acceleration

• Compact design with hand wheel or key for manual operation

• Built-in feedback positioning on the main shaft with high accuracy

• Duty cycle 100%

• No need for additional control box or cabinet

• Programmable with Oden Valve Program (OVP)