Global FRP/GRP/Gre/Grv Jacking Pipe Standard for Thermal Power Circulating Water: China's Premie
Detailed specification for Global FRP/GRP/Gre/Grv Jacking Pipe Standard for Thermal Power Circulating Water: China's Premie
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| Model NO. | Jaking Pipes |
| Thickness | Customized |
| Usage | Environmental Protection, Industral |
| Product Categories | FRP Pipe |
| Molding Method | / |
| Material | Fiberglass |
| Fiber Type | GFRP |
| Type | / |
| Nominal Diameter | 300-3000mm |
| Stiffness | 2500-1000000n/M |
| Nominal Pressure | 0.1-3.0 |
| Standard | ISO23856, ISO25780 |
| Standard Length | 6 M |
| Installation | Direct Bury, Jacking Pipe, Above Around, Relining |
| Application | Sewer Drainage, Water Supply, Irrigation, etc. |
| Transport Package | by Sea |
| Specification | DN300-3000mm |
| Trademark | DFHB |
| Origin | China |
| HS Code | 3917290000 |
Company Profile
Zhejiang Eastern DFHB Pipes Co., Ltd., founded in 1993 (formerly Zhejiang Eastern Group Pipes Company, renamed after 2004 restructuring), is a national high-tech enterprise specializing in centrifugal casting glass fiber reinforced plastic (GRP) pipes, and a director unit of China Composite Materials Association and China Urban Water Supply and Drainage Association.
Its flagship product, DFHB® centrifugally cast GRP pipes (DN300~DN3000), boasts dense walls, high strength, light weight, excellent corrosion resistance, and long service life. Widely used in municipal water supply/drainage, chemical sewage, seawater transport, irrigation, and flood control, they support diverse installation methods (direct bury, pipe jacking, lining, above-ground) with 30+ years in China.
Equipped with full production/testing facilities, the company produces over 500 km annually. Its R&D center has developed trenchless technologies (listed as key projects by the Ministry of Construction) with multiple patents and intellectual property rights.
Committed to quality, it has participated in formulating 20+ national/industrial standards and holds certifications including BV (2004), Korean KS (2008), national high-tech enterprise (2018), and Zhejiang "Pin" Mark (2021).
DFHB® pipes are used in 20+ Chinese provinces/regions (including Hong Kong) and exported to 10+ countries, with cumulative usage exceeding 6,000 km, earning wide recognition.
Adhering to the tenet of "people-oriented, quality-integrity, customer-first" and mission of protecting water resources, DFHB aims to be a leading global GRP pipe supplier, delivering superior products worldwide.
What is DFHB GRP pipe made of?
DFHB GRP (Glass Fiber Reinforced Plastic) pipe is a thermosetting composite material consisting of three key components: unsaturated polyester resin (as bonding agent), chopped glass fibers (as reinforcement), and quartz sand (as aggregate).
What applications are DFHB GRP pipes suitable for?
They are used in numerous fields, including: Water supply and potable water lines; Sewerage (gravity sewers, pressure/force main sewers); Drainage and slurry transportation; Industrial processing plants and hydro-electric plants; Pipe jacking, relining, and submarine pipes/outfalls; Special applications like manholes and storage tanks
Which standards do DFHB GRP pipes comply with?
They meet multiple national and international standards, including:
BV , Korean KS , national high-tech enterprise and Zhejiang "Pin" Mark .
ISO9001, ISO 23856, ISO 25780;
U.S.A.: AWWA C950, ASTM D2997;
China: GB/T 21238, GB/T 21492.
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