Preventing Corrosion and Leaks in Textile Dyeing and Bleaching Lines

Dyeing and bleaching lines run hot, chemically active liquor continuously, and the combination of heat and chemical exposure is harder on sealing components than either factor alone. Level gauges are a particular weak point — thermal shock from rapid bath temperature changes cracks ordinary glass.

Level and sight indication

Borosilicate Glass Tube provides level and sight indication that tolerates the thermal shock of dye-bath temperature swings without cracking — a real, common failure point with lower-grade glass.

Pump and valve seals on dye liquor lines

Pure PTFE Gland Packing resists the range of dyes, bleaching agents and pH-adjustment chemicals found in these lines without degrading, while Asbestos Teflon Packing offers a more economical option for less aggressive general circulation duty.

Chemical-resistant machined parts

PTFE Sheets machines into liners and seals for direct contact with bleaching and dyeing chemicals.

Frequently asked questions

Why does our dye-bath sight glass keep cracking? Ordinary glass often can’t handle the thermal shock of rapid bath temperature changes — borosilicate glass tube is specifically rated for this.

Is PTFE packing necessary on every dye line, or just the most aggressive ones? Reserve full PTFE for the most aggressive chemical exposure; more moderate circulation duty is often adequately served by a more economical packing grade.

Tell us the specific dyes or bleaching chemicals in use and we’ll confirm the right packing and gauge glass for the line.