C&D Valve is the leading manufacturer of refrigeration service valves specializing in providing access fittings and tools to the HVAC industry. C&D Valve designs, manufactures, and sells brass fittings, service ports, adapters and couplers, formed tube assemblies, machined brass components and specialized HVAC/R tools to wholesale distributors and equipment manufacturers in the air conditioning and refrigeration industry. For more information on the TekEdge product line or other C&D Valve products, please visit http://www.cdvalve.com. From its early beginning in an inventor's shop in Oklahoma City, C&D Valve has maintained a tradition of innovation and quality. Many of the industry's most common service valves and tools were designed and developed by C&D Valve. Patents were received for the M-series braze on saddle valves, Core Removal Tool, and various other valves. Yet innovative and useful products mean nothing without consistent and reliable quality. And quality extends beyond dependable products into all areas of meeting our customer's needs - quick and accurate delivery, ease of doing business, and overall attention to customer service. We take pride in our heritage and appreciate the lessons learned over the past 50 years. C&D Valve strives each and every day to understand our customer's expectations and to meet them. We look forward to being your vendor of choice for all of your access fittings and related tool needs.