The 788 Torsion Spring from OPW features proven performance for smaller load applications for over 70 years. This spring balance is ideal for those smaller applications such as drum/tote filling and some smaller truck loading installations.

• Wide Range of Motion
• Easy Adjustment
• Integral Travel Stops
• Available with Lockdown

The OPW 790 Series EZ Adjust Loading Arm Spring-Balance permits any one of a full range of spring balance adjustments with a simple turn of the wrench. The 790 is the ultimate user-friendly solution to spring adjustment. With this technology, you no longer have to have the loading arm in the vertical position to make adjustments. In most cases, adjustments can be made from any position.

The OPW 890 Series Hi-Load Spring-Balance is OPW’s latest advancement in loading arm technology. Engineered to provide stable balancing , easy/safe adjustment and the highest load capacities. Many of today’s loading arm applications demand longer reaches, larger pipe sizes and more accessories; all of which can add significantly to the counterbalancing requirements. The 890 provides the flexibility to design larger arms without sacrificing performance.