polyacrylonitrile gland ptfe braided packing 

Description:
Made from Polyacrylonitrile filament,braiding and impregnated with PTFE, having high strength,wear-resistance. It is an ideal substitute for asbestos packing. Applicable for pump,valve,flange at a high linear speed and pressure

ph range:2-12

temperature: -100-250

liner speed: 2-12 m/s

pressure: 5-20 Mpa

PTFE braided packing of multi-filament yarn is braided with stretched and reinforced PTFE fiber, then, fully impregnated with PTFE latex. This packing has good chemical reistance to acid, alkali, solution and other mediums with corrosion, and be applied in wide temperature limit and low friction rate, with good sealing effect in urea amine pump and thick nitric acid plunger pump, the usage life in amine pump with media of grain is more than double of asbestos PTFE packing .

Application conditions:

1) Working temperature: - 40 ~ +260oC

2) Max. working pressure:3 Mpa(rotary pump)

Max. working pressure:10Mpa(reciprocating pump)

Max. working pressure:20Mpa(valve)

3)PH value: 0-14

4)Linear speed: 10M/S(rotary pump)

Linear speed: 2M/S(reciprocating pump)

Linear speed: 2M/S(valve)

5) Cross Section: ≥1/8" ~ ≤3"(3X3—75X75mm)

6) Density: 1.75 ~ 1.85g/cc

Density: 1.95 ~ 2.05g/cc(with lubricant)

Regular package: 5 or 10kg/roll

Special package is also available as requested.

Warm tips:

High-temperature lubricant can be added as requested, then,the density of packing will be 1.90—2.05g/cm³

The packing core can be replaced as red rubber core as request.