USED | Masoneilan 28-28120-11 Varipak Actuator Valve The Masoneilan 28-28120-11 Varipak Actuator Valve is a high-quality valve designed for use in hydraulics, pneumatics, pumps, and plumbing systems. Made in France by the reputable brand Masoneilan, this valve is known for its durability and reliability. The Varipak Actuator Valve is specifically designed to minimize cosmic damage, ensuring that the valve continues to function optimally even in challenging environments.