Wholesale HDPE Pipe For Nuclear Plant
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HDPE Pipe For Nuclear Plant
  • HDPE Pipe For Nuclear Plant
  • HDPE Pipe For Nuclear Plant
  • HDPE Pipe For Nuclear Plant

HDPE Pipe For Nuclear Plant

Corrosion and erosion of seawater systems is a common problem in coastal nuclear power plants. There are certain problems with the traditional pipes used in domestic seawater systems, which affect the safety and reliability of the system. High-density polyethylene (HDPE) pipe has good resistance to seawater corrosion, sediment erosion and aging. It has low flow resistance and good toughness, so it has developed rapidly in Europe and the United States and has been used in nuclear safety level 3 systems.

In 2015, our company embarked on the localization research and development of large-diameter, high-wall-thickness HDPE pipes for AP1000 and AP1400 plant water systems and bridged the gap in China. In September 2017, we passed the appraisal of scientific and technological achievements of China Nuclear Energy Industry Association.

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SPECIFICATION CUSTOMIZED SERVICE
Nuclear power product implementation standards
At present, the domestic nuclear power plant water system HDPE pipe manufacturing is mainly implemented by ASME and ASTM standards. The main product standard numbers include ASTM D3350, ASTM F714, ASTM D3261, ASTM F2206, as well as GBT 40967 and so on.

Description of nuclear power performance
(1) In 2016~2017, our company supplied PE4710 30" (762mm) DR9 (PN2.0MPa) pipes, 90° elbows, 45° elbows, electrofusion sleeves, flange fittings and other piping system products to the SWS siphon retrofit project of Sanmen Nuclear Power Station Unit 1 and 2;
(2) In 2019~2020, we will supply P4710 32" (812.8mm) DR9 (PN2.0MPa) pipes, 90° elbows, 45° elbows, 22.5° elbows, flange fittings and other piping system products to Guoho No.1 Demonstration Project Unit 1 and Unit 2 plant water system;
(3) From 2022 to 2023, we will supply P4710 30" (762mm) DR9 (PN2.0MPa) pipes, 90° elbows, 45° elbows, 22.5° elbows, electrofusion sleeves, flange fittings and other piping system products to the water system of No.3 and No.4 units of Sanmen Nuclear Power Station.
About Us
Shanghai Zhongsu Pipe Co., Ltd.

Shanghai Zhongsu Pipe Co.,Ltd established in 2004 with 1.01 billion registration capital, situated in Jinshan district of shanghai china, occupied 70000 square meters. ZHSU specialized in producing PPR pipe, antibacterial PPR pipe, anti UV PPR pipe, PP-RCT pipe, PE-RT pipe, HDPE pipe and fittings with various materials, adopted high technology production line to improve productivity and provide customer with fast delivery time. OEM Nuclear Power Plant HDPE Pipe Manufacturers and Wholesale Nuclear Power Plant ASME/ASTM Standards HDPE Pipe Factory in China. In order to cooperate with national rural drinking water safety project, ZHSU adopted large diameter facility for PE production, our biggest PE pipe diameter reached DN1200mm at present, ZHSU has become one of the manufacturers in china who can produce such large diameter PE pipe.

We adopted German brand Battenfeld-cincinnati production lines for plastic pipes to organize production in strictly accordance with international standards, the procedure from raw material purchasing to finished product delivery is fully under monitoring, passed ISO9001, ISO14001 and OHSAS18001 certification because of perfect management. Wholesale HDPE Pipe For Nuclear Power Plant Water System. Besides we were nominated as ”Shanghai famous brand products, Shanghai high-tech enterprises and Shanghai famous trademarks”.

Certificate Of Honor
  • ISO14001
  • ISO9001
  • ISO45001
  • CNAS Accredited Laboratory Certificate
  • CE-Certificate
  • Classification Society Factory Accreditation Certificate
  • 2022CEC Certificate - Water Supply Pipe
  • 2022CEC Certificate - Gas Pipe
  • 2021 Measurement Management System Certificate
  • TSG Special Equipment Production Licence New Certificate
  • CNNC Qualified Supplier Certificate
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Product Knowledge

How is HDPE Pipe For Nuclear Plant designed to withstand seismic events near a nuclear power plant?
Designing HDPE Pipe For Nuclear Power Plant Water System to withstand seismic events involves several considerations to ensure the structural integrity and safety of the piping system during ground motion. Here are key aspects of the design that address seismic resilience:
Seismic Zoning and Site-Specific Analysis:
Engineers conduct a seismic hazard analysis to determine the seismic zone and potential ground motion at the specific location of the nuclear power plant.
The design takes into account site-specific seismic parameters, including peak ground acceleration and spectral response.
Flexible Material Properties:
HDPE pipes are known for their flexibility and ductility, which can help absorb and dissipate seismic energy during an earthquake.
The flexibility of HDPE allows it to deform and return to its original shape, reducing the risk of rupture or damage.
Pipe Restraint Systems:
Properly designed restraint systems are implemented to anchor and support HDPE pipes during seismic events.
Restraint systems prevent excessive movement and displacement of the pipes, ensuring stability and reducing the risk of damage.
Geotechnical Considerations:
The design accounts for soil-structure interaction and the dynamic response of the soil during seismic events.
Engineers consider soil properties to determine how the Nuclear Power Plant HDPE Pipe will interact with the surrounding ground during ground shaking.
HDPE Pipe Jointing Techniques:
Fusion-welded joints are commonly used in HDPE piping systems. These joints provide strong and leak-free connections.
The fusion process creates a homogeneous material, minimizing the vulnerability of joints to seismic-induced stresses.
Flexible Connections:
Flexible couplings and expansion joints are incorporated into the piping system to allow for thermal expansion, contraction, and seismic movement.
These flexible elements help accommodate ground movement without imposing excessive stress on the pipes.
Horizontal Directional Drilling (HDD):
In certain cases, the use of HDD for installation allows for deeper burying of the pipes, providing additional protection against surface disruptions during seismic events.
Embedment and Support:
The HDPE pipes are properly embedded in the ground to provide lateral support and prevent excessive movement.
Adequate backfill materials are used to ensure proper support and stability.
Material Resilience:
The resilience and durability of HDPE as a material contribute to its ability to withstand seismic events.
HDPE is resistant to fatigue and can maintain its structural integrity even under repeated cyclic loading.
Periodic Inspections and Maintenance:
Regular inspections and maintenance are essential to identify any potential issues resulting from seismic events.
Periodic assessments ensure that the HDPE piping system remains in compliance with seismic design standards.
Computer Simulations and Modeling:
Advanced computer simulations and modeling are often employed to simulate seismic events and assess the response of the HDPE piping system.
These simulations help refine the design and ensure its effectiveness in withstanding seismic forces.
Shanghai Zhongsu Pipe Co., Ltd.
Shanghai Zhongsu Pipe Co., Ltd.