Product Description

~"Wei Shuai" carbon bellows features:

High strength, high toughness,and corrosion resistance, high temperature resistance, high insulation resistance, good flame retardant, light weight, long life,not easy deformation, etc.

Product uses:
1. Underground city street project.
2. Industrial construction zone.
3.The construction of residential quarters and gardens and large entertainment buried cable project.
4.The electrified railway electric power, telecommunications cable laying underground engineering.
5. The highway construction and reconstruction of power and communications facilities.           

The main technical parameters:
Overall structure: flexible thread
Impact resistance: the impact test apparatus height ******0mm, impact 0.**6.8kg.
Resistant to bending: bending test no rupture
Withstanding Voltage: ***0KV.AC.*0HZ, *5mm without breakdown and arcing phenomena.
Termite: conform GB***1.*5 standard
Pressure test: 5s in the load *0N, continued 1min rate change in diameter of less than *5%.
Impact test: *0 ºC treated with 0.5kg hammer to **0mm high impact without damage.
Insulation resistance: MΩ≥5
Pipe forming performance: pipe length is not less than 1.5m, bendable within *0 ° ***0 ° range, no obvious visual defects.
Ring stiffness: ≥2 or 4 or 6 or 8

Standardized specifications:

Size Inside dia(mm) Outside dia(mm) thickness length(m)
Φ*0 *0±2.0 *5±2.0 0.*5±0.*5 **0
Φ*5 *5±2.0 *9±2.0 0.*5±0.2 **0
Φ*2 *2±3.0 *8±2.0 0.*5±0.*5 **0
Φ*0 *0±3.0 *8±2.0 1.*5±0.*5 **0
Φ*0 *0±3.0 *0±2.0 1.*5±0.*5 **0
Φ*5 *5±4.0 *5±2.0 1.*5±0.*5 **0
Φ*0 *0±4.0 *9±3.0 1.*5±0.*5 **0
Φ**0 **0±5.0 **8±3.0 1.7±0.8 **0
Φ**5 **5±5.0 **9±4.0 1.*5±0.*5 *0
Φ**0 **0±7.0 **8±4.0 2.1±0.9 *0
Φ**5 **5±*0.0 **0±4.0 2.*5±0.*5 *0
Φ**0 **0±*0.0 **5±5.0 2.*5±0.*5 *0

Special note: according to customer needs customization specifications and production technology parameters