Inquiry (采购产品): Sight glasses We require 3 or 4 inch dimater glass tubes approx 6 - 12 inch long to allow us to see fluid flow in a pipe. Max pressure = 20 bar gauge Can you supply? **** Hidden Message ***** Terry Smith Desoto Road West Bank Dock Estate WidnesWA8 0PB GBR Company: PDM Group Title: Technical Manager Phone: 151 424 6731 Fax: 151 495 1895 E-mail: tsmith@pdm-group.co.uk **** Hidden Message ***** tsmith@pdm-group.co.uk