What is the minimum order quantity?

The minimum order quantity is 1.

What is the lead time for production?

The average lead time is within 15 workdays for both peak season and off-season.

Thermal Protected Subterranean Pipe for District Heating and Cooling, Drinking Water Applications and Geothermal Water Supply Projects

Name: Thermal Protected Subterranean Pipe for District Heating and Cooling, Drinking Water Applications and Geothermal Water Supply Projects
Brand: Shandong Donghong Pipe Industry Co., Ltd.
SKU: 2041838162

Shandong, ChinaShandong Donghong Pipe Industry Co., Ltd.

US$1.80-199.00

100 Meters

Product profile

Customization

Available

Application

Agricultural Irrigation, Chemical Transport, Industrial Processing, Oil and Gas Distribution, Wastewater Management, Water Supply, Industrial&Municipal, Water Supply, Base Oil, Derivatives, Industrial Lubricant

certification

CE, ISO9001, ISO4427

Model NO.

DH-The thermal insulation-BWGG

Connection Type

Welding/Socket/Flange

Diameter

400mm-1800mm

Material

HDPE and Ppu

Temperature Range

-20℃ to 80℃

Material

PE-PU-C.S

Diameter

Upon Your Request

Connection Type

Welding/Socket

Filling Density

60-90 Kg/M3

Foam Core Density

68.9 Kg/M3

Thermal Conductivity

0.029 W/(M.K)

Radial Compressive Strength

0.42 MPa

Water Absorption

5.9 %

Obturator Ratio

95%

Shear Strength

149-195 Kpa, 170℃, 1450h

Usage

Asphalt, Lubricants, Solvent, Fuel, Petroleum Coke

Connection Method

Welding or Socket Type

Sheathing Tube

PE Winding

Main Insulation

Polyurethane Foam

Working Tubes

Q235B, 355b, 20# Oryour Request

Standard

ASTM, API, CE

Medium

Liquid

Cross-Section Shape

Round

Transport Package

Standard Package

Specification

DN400-DN2000

Trademark

DHPI

Origin

China

HS Code

3917330000

Production Capacity

500000 Kilometers /Year

Key features

Superior Thermal Insulation: Low thermal conductivity ensures minimal heat loss and eliminates support thermal bridge effects.

Flexible Socket Connection: Innovative installation method is faster than welding, eliminating common welding patch defects.

High Strength & Toughness: Robust construction guarantees durability, easy welding, and seamless construction convenience.

Corrosion & Waterproof: Outstanding corrosion resistance and waterproofing make it ideal for direct burial in soil or water.

Customizable Specifications: Diameter, material, and connection types can be customized upon request to meet specific needs.

International Certifications: Products comply with CE, BV, ISO, and WARS standards, with metrics exceeding standard requirements.

Cost-Effective Solution: Optimized foam density and insulation thickness conserve materials and significantly lower labor costs.

Company profile

Cooperated with Fortune 500Exhibition ExperienceR&D CapabilitiesManagement Certification

Shandong Donghong Pipe Industry Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤8.51h

About Our Factory & Business Background

AddressNo. 1 Donghong Road, Qufu City, Jining, Shandong, China

Plant Area60000 square meters

Number of Employees1687

Registered Capital256,900,600 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1

Supply Chain Partners73

Our Production Capability & Technical Expertise

Main ProductsSteel wire reinforced PE composite pipe, HDPE pipe, PE pipe, steel pipe

Production Lines300

Production MachinesMixing machine, HDPE pipe production line, Steel wire reinforced PE composite pipe production line, Steel pipe production line

QA/QC inspectors32 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers66 people

Traceability of Raw MaterialsYes

Test Reports for Raw MaterialsOthers

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2008-01-21

Main MarketsSoutheast Asia/ Mideast, East Asia(Japan/ South Korea), Australia, Domestic

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff5

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Product CertificationCE, Others

Cooperated with Fortune 500Yes

Product Q&A

Q:Does your product meet international standards?

Absolutely! Our products have received CE, BV, ISO, and WARS certifications, with all metrics exceeding standard requirements. If you have specific national standards in mind, let us know, and we will verify or test them for you.

Q:What kind of services do you offer?

As a manufacturing factory, we provide high-quality pipe products, fittings, packaging, and shipping. As a professional consultation company, we offer project consulting, pipe system solutions, and design suggestions. Additionally, as an engineering-focused enterprise, we deliver pipeline contractor and repair services, along with free maintenance guidance.

Q:Do you support OEM/ODM services?

Yes, we offer comprehensive customization in materials, specifications, logos, packaging, and connection methods. Our expert team can also provide tailored solution suggestions for your projects, backed by successful case studies.

Q:What are your payment terms?

We accept T/T or L/C at sight.

Q:How do you guarantee the quality of your products?

We warmly welcome all customers to visit our company and inspect our goods firsthand. We can also conduct stringent tests as per customer requirements before order confirmation. Additionally, we can send samples for customers to perform their own tests to ensure product quality before bulk production.