Model SMB Series -Limitorque

The most durable electric actuator around. With over 30 years proven service life, these heavy-duty units may never need to be replaced. Units range from 60,000 ft-lbs (81,00 Nm) torque or 500,000 lbs (2,200 kN) thrust. SB version available for applications where thermal expansion of rising valve stem may pose jammed valve risk. Chalmers & Kubeck has the largest inventory of OEM replacement parts available anywhere to support the SMB product. Strategically located, our knowledgeable, factory trained technicians, are available 24/7 to provide prompt repair service in both our shops or at the customer’s plant site.