Clamptek's NPSU Series of uppers flange swing clamp cylinders features bore measurements that approximate at Φ 25 - 63 mm, and total pressure rates that estimate at 0.7 Mpa. Models of the series sport rotating angles of 90°, while 0°,45°, and 60° double-acting angles are available upon request. They also showcase built-in top flanges, complete with four screwholes for installation capabilities. They are designed and manufactured out of aluminum alloy materials, complete with blackening finishes.