Gland Packing Chesterton 412 W

Specification of

Multi-Service Packing
Chesterton 412-W combines a newly developed synthetic composite yarn with
a specially formulated break-in lubricant. Continuous filament center provides ten
times the tensile strength of typical packing fibers. Fibrous covering enables 412-W
to absorb twice the PTFE blocking agents of conventional packings. Chesterton
interbraid construction helps prevent migration of blocking agents so that 412-W
maintains density to inhibit wicking throughout its service life. 412-W also
incorporates a purified colloidal lubricant to prevent failure at start-up and
maintain continuous lubrication throughout the break-in process.
412-W
412-W Ordering Information
Size Packaged ± 10% Item

Technical Data
Applications Mild acid and alkali services, knife gate valves due to superior
conformability, Paper mills: Stock pumps,
Wastewater and sewage plants, Municipal water plants
Mining: Slurry applications, Oil field services: Drilling mud pumps
Pressure Limit 17 bar g (250 psig)
Shaft Speed 10 m/s (2000 fpm)
Temperature Limit 240°C (450°F)
Chemical Resistance pH 4 – 10

Multi-Service Packing
Chesterton 412-W combines a newly developed synthetic composite yarn with
a specially formulated break-in lubricant. Continuous filament center provides ten
times the tensile strength of typical packing fibers. Fibrous covering enables 412-W
to absorb twice the PTFE blocking agents of conventional packings. Chesterton
interbraid construction helps prevent migration of blocking agents so that 412-W
maintains density to inhibit wicking throughout its service life. 412-W also
incorporates a purified colloidal lubricant to prevent failure at start-up and
maintain continuous lubrication throughout the break-in process.
412-W
412-W Ordering Information
Size Packaged ± 10% Item

Technical Data
Applications Mild acid and alkali services, knife gate valves due to superior
conformability, Paper mills: Stock pumps,
Wastewater and sewage plants, Municipal water plants
Mining: Slurry applications, Oil field services: Drilling mud pumps
Pressure Limit 17 bar g (250 psig)
Shaft Speed 10 m/s (2000 fpm)
Temperature Limit 240°C (450°F)
Chemical Resistance pH 4 – 10