Trident 101 series 316SS tube frame test unit, 8 litre 316SS tank w/ lid & sight level, fitted with SC Hydraulic air driven pump, D5000B140, and 0-15,000 psi pressure gauge. Pump Specifications; - 140:1 ratio, 14,000 psi MWP - 0.188 cu in displacement per stroke Test unit outlet connection 3/8 inch MP female, with BiS Regulating Handle PRV for quick & easy adjustment