HardLine-MAX™ (Round and Oval)

Semi-rigid polymer tubing for horizontal mine and tunnel ventilation.

 

FEATURES:

  • HardLine tubing can be formed to round or oval.

  • Oval is designed to maximize drift/tunnel headroom by 25%.

  • Resilient and durable polymer material (RigiFLEX-FR) is purpose-built for mine and tunnel ventilation.

  • Tubing offers industry-leading high-efficiency airflow and low-leakage coupling.

  • Available for positive and negative pressure applications.

  • Hi-visibility safety green color.

  • Quick-to-install coupling system.

  • Fire Resistant for mine safety and to meet local codes.

  • For shipping and storage HardLine Ducting is compressed down to help reduce cost.

 

SPECIFICATIONS:

Diameter Range: 14” – 72” (356mm – 1830mm)

Standard Length: 8’ and 10’ (2.45m, 3.05m). Longer lengths available.

 

MATERIAL:

  • RigiFLEX-FR Polymer Grades:

    • SD (Standard Duty) for light-weight and positive pressure applications.

    • MD (Medium Duty) for positive and moderate negative pressure applications

    • XD (Extreme Duty) for accessories, negative pressure and high-impact applications.

  • RigiFLEX-FR offers a consistent and smooth surface to maximize airflow efficiency.

  • Polymer does not fracture, de-laminate or lose bond.

  • Safe to handle as there are no fibers that fracture, cut or contaminate the air.

 

HardLine-MAX™ COAL

Semi-rigid polymer tubing for horizontal coal mine ventilation.

 

FEATURES:

  • Tubing offers industry-leading high-efficiency airflow and low-leakage coupling (without the wrapping of joints).

  • Tubing provides more air, consistently, reliably, farther, with smaller diameters.

  • Tubing efficiencies offer significantly reduced noise levels.

  • Hi-visibility safety green color.

  • Quick-to-install and long-lasting coupling system.

  • Safe to handle – no shards or exposed fiberglass that can cut and no glass particulate in the air. 

  • Fire Resistant for mine safety and to meet local codes.

 

SPECIFICATIONS:

Diameter Range: 16”, 20” and 24” (406, 508 and 610mm)

Standard Length:  10’ (3.05m).

 

MATERIAL:

  • RigiFLEX-FR Polymer Grades:

    • MD (Medium Duty)

    • XD (Extreme Duty)

  • RigiFLEX-FR offers a consistent and smooth surface to maximize airflow efficiency.

  • Polymer does not fracture, de-laminate or lose bond.

  • Safe to handle as there are no fibers that fracture, cut or contaminate the air.

HardLine-MAX™ Accessories

Semi-rigid polymer branch tube accessories for mine and tunnel ventilation.

 

FEATURES:

  • Fabricated from our thickest grade (XD) RigiFLEX-FR polymer material.

  • Accessories include fan adapters, transitions (from steel or fiberglass tubing, or to FlexLine), tees, smooth radius elbows, laterals, wyes, control dampers, reducers and more. 

  • Accessories offer industry-leading high-efficiency airflow and low-leakage coupling.

  • Available for positive and negative pressure applications.

  • Hi-visibility safety green color.

  • Quick-to-install coupling system.

  • Fire Resistant for mine safety and to meet local codes.

  • For shipping and storage HardLine Ducting is compressed down to help reduce cost.

 

SPECIFICATIONS:

Diameter Range: 14” – 72” (356mm – 1830mm)

Standard Length: 8’ and 10’ (2.45m, 3.05m). Longer lengths available.

 

MATERIAL:

  • Fabricated using XD (Extreme Duty) RigiFLEX-FR polymer material.

  • RigiFLEX-FR offers a consistent and smooth surface to maximize airflow efficiency.

  • Polymer does not fracture, de-laminate or lose bond.

  • Safe to handle as there are no fibers that fracture, cut or contaminate the air.

Turnstone provides ventilation equipment, specifically to mining, tunneling, and industrial temperature control markets, that promote industry leading safety and efficiency.

Turnstone Industrial Solutions

271 Gawthrop Drive

Winchester, KY 40391

P: 859-745-8720

A joint venture between ABC Technology Group USA and Calandra Group, LLC