SPM Engineers’S Alignment clamps are custom-built, offering a range of solutions for accurate internal alignment. These internal clamps are manufactured for precision and are field-proven to be tough and durable. Pipe Joint Internal Clamp Hydraulic manufacturer & Exporter in Russia, USA, Australia, Malaysia. SPM Engineers is a large Pipe Joint Internal Clamp Hydraulic that is built tough to withstand the harshest conditions. This large hydraulic alignment clamp leaves the gap unobstructed for a full stringer bead. Each clamp is machined for a specific pipe ID and comes standard with a 12-meter reach rod, hook and handle.