Quick view Add to Cart Overhaul Manual for Pneumatic Shutoff Butterfly Valve - 2.5 inch Diameter - Part 106932-1-1 Document Part Number: No. 21-50-108 Number of pages: 40Part Number: No. 21-50-108Revision Date: 1-June-1972Description: Mfg By: AiResearch MSRP: Was: Now: $24.66