Internal External Epoxy Lined Steel Pipe Spiral Welded DN100mm - DN1000mm
Brand Name:NO
Certification:NO
Model Number:DN100mm～DN1000mm
Minimum Order Quantity:1pc
Delivery Time:30-60 days
Payment Terms:L/C, T/T
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Zhengzhou Henan China
Address:
Room1409, Building No.2, Yabao Oriental International, Jinshui East Road, Zhengdong New District, Zhengzhou city, Henan province, China
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Product Details
Internal External Epoxy Lined Steel Pipe Spiral Welded DN100mm - DN1000mm
Mine pipe refers to a product specially developed for special
underground environmental conditions, which has the advantages of
flame retardant, antistatic, corrosion resistance, long service
life and strong safety. It is mainly used in five systems: mine
drainage pipe (KS), mine grouting pipe (KJ), mine positive pressure
air pipe (KFZ), mine negative pressure air pipe (KFF), mine gas
drainage pipe (KW).
size:HOSP-TEP(PE)-KW(-0.097)/101.6～1118
size:DN100mm～DN1000mm
Pressure Grade
Pipeline for gas drainage in underground coal mine, bearing
pressure - 0.097 - 1.0 MPa.
Performance characteristics
1)Flame retardant and antistatic performance is good: flame
retardant and antistatic indicators meet the requirements of
underground gas drainage pipe indicators. Flame retardant: The
arithmetic average of flameless combustion time is less than 3S and
the maximum is less than 10s; the arithmetic average of flameless
combustion time is less than 20s and the maximum is less than 60s.
Antistatic: internal and external surface resistance≤1.0×106Ω
2)Good hygienic performance, low fluid resistance: in line with the
drinking water standards of the Ministry of Health, no fouling, no
breeding of microorganisms, no secondary pollution of fluids. The
inner wall is smooth and the conveying efficiency is high.
3)Connection modes are diversified and easy to construct: Flange
connection and butt welding connection can be used for products.
Connection modes are diversified and installation is convenient.
National Standard Specification and Coating Thickness
| DN | internal coating | external coating | ||||
| Ordinary level | Reinforcement level | polyethylene | epoxy resin | |||
| Ordinary level | Reinforcement level | Ordinary level | Reinforcement level | |||
| 15 | ＞0.4 | ＞0.3 | ＞0.5 | ＞0.6 | ＞0.3 | ＞0.35 |
| 20 | ||||||
| 25 | ||||||
| 32 | ||||||
| 40 | ||||||
| 50 | ||||||
| 65 | ||||||
| 80 | ＞0.5 | ＞0.35 | ＞0.6 | ＞1.0 | ＞0.35 | ＞0.4 |
| 100 | ||||||
| 125 | ||||||
| 150 | ||||||
| 200 | ＞0.6 | ＞0.8 | ＞1.2 | |||
| 250 | ||||||
| 300 | ||||||
| 350 | ＞1.3 | |||||
| 400 | ||||||
| 450 | ||||||
| 500 | ||||||
| 550 | ＞0.8 | ＞0.4 | ＞1.0 | ＞1.5 | ＞0.4 | ＞0.45 |
| 600 | ||||||
| 650 | ||||||
| 700 | ||||||
| 750 | ||||||
| 800 | ＞1.0 | ＞0.45 | ＞1.2 | ＞1.8 | ＞0.45 | ＞0.5 |
| 850 | ||||||
| 900 | ||||||
| 1100 | ||||||
| 1200 | ||||||
| 1400 | ||||||
| 1600 | ||||||
| Remarks | Seamless steel pipe, spiral welded pipe and straight welded pipe can be selected as the base pipe, and the thickness of plastic coating can be processed according to customer's requirements. | |||||
Properties of Epoxy resin powder
| Item | Requirement | Test method |
| Density(g/cm2) | 1.3~1.5 | GB/T 1033 |
| Particle size distribution /% | 150um≤3；250um≤0.2 | GB/T 6554 |
| nonvolatile content /% | ≥99.5 | GB/T 6554 |
| Horizontal liquidity /mm | 22~28 | GB/T 6554 |
| Gelation time /s | ≤120(200℃) | GB/T 6554 |
| impact strength /(kgcm) | ≥50 | GB/T 1732 |
| Bending test /(¢2 mm) | pass | GB/T 6742 |
| Hygienic performance | Conform to GB/T 17219 | |
Internal External Epoxy Lined Steel Pipe Spiral Welded DN100mm - DN1000mm
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