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Pre Insulated Pipe

Name: Pre Insulated Pipe
Brand: HAIMEN
SKU: 162950259

Negotiable MOQ: 40 Tons (Price negotiable depending on order volume and customization)

Key Specifications

Brand Name:

HAIMEN

Place of Origin:

China

Tianjin Haimen Building Materials Co.,ltd

Payment & Shipping

Payment Methods:

Port of Shipment:

tianjin

Delivery Detail:

20 days

Brand Name HAIMEN

Place of Origin China

Thermal insulation direct buried pipe can also be called pre insulated pipe, they are a kind of heat pipeline. We can supply high quality Heating Pipeline, welcome to choose us!

Product Indexes	Reference Standard	Standard Requirement	Our product value
Outer protection pipe
Density (kg/m3 )	CJ/T114-4.2.3.1	≥940	948.2
Elongation at break (%)	CJ/T114-4.2.3.4	≥350	618
Tensile yield strength (MPa)	CJ/T114-4.2.3.4	≥19	20.5
Longitudinal shrinkage rate (%)	CJ/T114-4.2.3.5	≤3	1.23
Long term Mechanical properties	CJ/T114-4.2.3.6	>1500h(80℃,4.0 MPa)free from damage	Pass
The difference of the melt flow rate (g/10min)	CJ/T114-4.2.3.2	≤0.5	0.11
Carbon Black Content %	CJ/T114-4.2.3.1	2.5±0.5	2.4
Polyurethane insulation layer
Density (kg/m³)	CJ/T114-4.3.2	≥60	71.1
Average pore size (mm)	CJ/T114-4.3.1	≤0.5	qualified
Percentage of close area(%)	CJ/T114-4.3.1	≥88	94
Compressive strength(MPa)	CJ/T114-4.3.3	≥0.3	0.58
Water absorption(%)	CJ/T114-4.3.4	Immersion in boiling water 90 minutes, bubble water absorption should be not more than 10%	≤5.53
Working steel pipe
Seamless steel pipe(≤DN150)	GB8163	20#	qualified
Spiral steel pipe(≥DN200)	GB/T9711 or SY/T5037	Q235B	qualified

PRODUCT FEATURES

Product name	Thermal insulation direct buried pipe
Length	5.8m-12m, or by customer's requirements
Nominal diameter	DN25-1800
Laid way	Buried
Application	Fluid Pipe, Natural gas, Gas, Oil, Hydraulic, chemical, drill, etc.
Production Standard	The national standard GB/T29047-2012, CJ/T114-2000, CJ/T155-2001