Water jet Cutting Machine Bellows. Using water and abrasive resistant materials, GURUKRUPA manufactures bellows specifically designed for water jet machines. We can offer several types and shapes of bellows for your machine, including Thermal Welded, Perforated Fold, Combination Fold, and Sewn Shape styles. We utilize multiple base materials, ranging from aluminized Kevlar to PVC coated Polyester to best suit your particular application or requirements. To learn more about our waterjet (water jet) bellows, please contact GURUKRUPA.