PriceCN ¥33.00
Country:Nationwide,China
Business:HPVC double wall corrugated pipe, PVC round seven hole power pipe, MPP double wall corrugated pipe, HFCM power cable protection pipe, CPVC cable protection p…
PriceCN ¥33.00
specification and model | average inner diameter / mm | average outer diameter (SN8) / mm | average outer diameter (SN25) / mm | minimum wall thickness | length / mm |
100 | 100 | 110 | 115 | 1 | 6000 |
150 | 150 | 166 | 173 | 1 2 | |
175 | 175 | 193 | 202 | 1 4 | |
200 | 200 | 220 | 230 | 1 6 | |
225 | 225 | 250 | 265 | 1 8 |
Project | indicator |
drop weight impact test (20kg, 5m, 22 ℃) | 9/10 |
Vicat softening temperature ℃ | type I ≥ 90 (for communication optical cable protection) |
type II ≥ 95 (for power cable protection) | |
vertical recovery / (%) | ≤ five |
flat test | press to 50% without fracture and delamination |
density / (kg / m3, kg / m3) | ≤ one thousand and five hundred |
tensile strength Mpa | ≥ forty |
elongation at break% | ≥ one hundred and twenty |
weather resistance* | color change & Ge; Level 3 |
tensile strength protection rate & Ge; 80% | |
flame retardancy | oxygen index oi & Ge; thirty-two |
self extinguishing time ≤ 30s | |
resistivity & omega m | 1*1011 |
static friction coefficient | ≤ zero point three five |
connection tightness (0 005MPa water pressure maintained at 20 ℃ for 30min) | no leakage |
note: * indicates outdoor pipe requirements |
performance \ category | cm pipe | plastic coated steel pipe and galvanized steel pipe | MPP power tube | FRP pipe |
high toughness (20kg, 5m, 22 ℃) | no crack | no crack | no crack | broken |
corrosion resistance | OK | poor | OK | OK |
aging resistance (service life) | it has been used outdoors for more than 50 years and buried for more than 70 years | the service life is about 20 years | it can only be used underground for 50 years | buried for 30 years |
flame retardant | good flame retardancy, extinguish immediately after leaving the fire | good flame retardancy | easy to burn | easy to burn |
insulation | OK | poor, easy to produce eddy current | OK | OK |
compression resistance | OK | poor | OK | |
weight | light, only 1 / 5 of galvanized steel pipe, low installation strength | it is very heavy and has great installation strength | light | heavy |
connection method | socket glue connection is convenient and fast | welding | Contacts
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