Overview Reviews Product Description DLH-009 Challenger Check Valve used on Deli power unit model # AB-9367-DLH. Made for Wuxi-Deli hydraulic power units only. Product Videos Custom Field Product Reviews Write a Review Write a Review × Challenger DLH-009 Challenger Check Valve - AB-9367-DLH Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *