A novel approach with this product line is enlarged piston rods for added strength. The rod, with close-fitting guides made of rigid bearing bronze, directly handles side loads and moments. The units are rated for 1,500-psi service with user-specified strokes in 0.1-in. increments.

Mack Corp., 3695 E. Industrial Dr., Flagstaff, AZ 86004, (928) 526-1120, mackcorp.com