Inquiry (采购产品): duct expansion joint needed require 36" diameter supply air duct expansion joint for general service supply air 50 to 60 deg. F at +5" water guage. joint and joint material should be compatible with a van stone joint (angle ring) type flange. material and assembly should be substancially leak free. **** Hidden Message ***** James Brown AZ 85085008 USA Company: Diamondback Design Group Title: Mechanical Engineer Phone: 602-993-5699 E-mail: jbrown@diamondbackdesign.com **** Hidden Message ***** jbrown@diamondbackdesign.com
