Mine And Tunnel Ventilation K-MAX SD Standard Duty Duct with Double Seal Standard Duty Duct with Double Seal K-Factor = 9.5 – More than 20% better than previous duct Phenolic Resin Composite – Anti-static Properties & Durable 40 + in.w.g. Negative Pressure Rating UV Resistant Rubber Seal – Airtight for Negative & Positive Pressures K-MAX HD Heavy Duty Duct – Added Latteral Strips for Reinforced Strength Heavy Duty Duct – Added Latteral Strips for Reinforced Strength K-Factor = 9.5 – More than 20% better than previous duct Phenolic Resin Composite – Anti-static Properties & Durable 40 + in.w.g. Negative Pressure Rating UV Resistant Rubber Seal – Airtight for Negative & Positive Pressures K-MAX LT Light Duty Duct – Up to 15% Lighter than our Standard Duct Light Duty Duct – Up to 15% Lighter than our Standard Duct K-Factor = 9.5 – More than 20% better than previous duct Phenolic Resin Composite – Anti-static Properties & Durable 40 + in.w.g. Negative Pressure Rating UV Resistant Rubber Seal – Airtight for Negative & Positive Pressures Flexible Suction Spiral Duct Strong nylon fabric & polyester fabric, coated w/ PVC Springsteel helix reinforcement Stiff cable endrings / internal coupling bands Airtight seams Low friction loss Lay Flat Systems Seams and grommets are welded to be airtight for low resistance. Low friction loss Stiff cable end-rings minimize leakage Grommet suspension strips Acid & rot resistant MSHA approved Standard lengths: 25’ to 1000’ Schauenburg Flexadux Corp. (970) 245-9400 Western Regional Office 2233 Sanford Drive Grand Junction, CO 81505 (304) 363-0868 Eastern Regional Office 25 Rodeo Drive Fairmont, WV 26554 info@schauenburg.us Copyright © 2021, Schauenburg Flexadux Corp | ALL RIGHTS RESERVED | Website by WWP LLC