High accuracy, fully welded, painted construction can be used for trailing Suction Hopper Dredger.
Load pipe plays an important role, transport the dredge mixture to the hopper, then transmit through the load box pipe, to other position.
Dredger Structure pipe with high quality including Loading Box, Jet Pipe , Suction Pipe, spud, riser pipe, flange pipes etc.
Photo of our Loading Box:
Construction and procedure
The construction is to be built according to the drawing with rules of good workmanship.
With wear plate welded in inlet tube to ensure the long service life
According to the different function, normally load pipe has 1 inlet tube or 2 inlet tubes
On main pipe part, there will be several exit holes.
Materials
All fabricated steelwork used in the construction of the load box pipes will be to manufacturing standard of normal or classification society.
All materials proposed will be selected to comply with the latest Health and Safety Rules.
Paint systems for hull protection will be of the highest quality (Hempel, Inter, Sigma, Jotun)
Welding
All welding will be performed in accordance with drawing and order and UniSite experience and all welding will be continuous and full penetration.
Workmanship
The workmanship have good marine practice. Care are taken to ensure fair lines, smooth surfaces and neat welding.
Main particulars
MAIN PARTICULARS
Tolerance
High accuracy(ISO2768, ISO5817, ISO13920)
Material
S235JR-S355J2G3, Q235-Q345, Grade A-D or other materials
Dimension(L*B*H)
As per drawing, as large as we can
OD
500mm-3000mm
Thickness
10-60mm
Weight
2000kg~20000KG
Coating
Sa2.5 blasted and two or three layers painted with highest quality
Marking
as per clients' requirements
Inspection
material, construction, dimension, welding seam, non defective test, paint inspection
Others
Recyclable, in line with environmental requirements and standards, and reliable
H. Certificates
- Material certificates by a classification society EN10204 3.1
- Inspection protocol
- NDT reports
- Fixed certificate: ISO9001, BV certificate, CCS certificate
Loading Box Steel Loading Box,Wear Resistant Loading Box,Customized Loading Box,Dredger Structural Pipe Unisite Group Ltd. , https://www.shipsparts.nl
On May 26, the National Development and Reform Commission issued a circular on regulating matters related to the management of three-wheeled vehicles and low-speed trucks. From June 1, 2006, the name of the product manufacturer's "Vehicle Production Enterprise and Product Announcement" (hereinafter referred to as the "Announcement") declared by the relevant manufacturer should use "three-wheeled vehicles" and "low-speed trucks." The term "agricultural vehicle" will no longer be used.
The notice said that in accordance with the "Automobile Industry Development Policy", "Vehicle Identification Code Management Measures (Trial)" and related countries
As required by the standards, the National Development and Reform Commission decided to further regulate the management of the three-wheeled vehicles and low-speed trucks (formerly agricultural vehicles) in the “Announcementâ€, and no longer use the term “agricultural transport vehicle†to interface with vehicle management and implement vehicle identification codes ( Hereinafter referred to as VIN) management. According to the provisions of GB7258-2004 "Motor Vehicle Operational Safety Technical Conditions", "three-wheeled agricultural transport vehicle" was renamed "three-wheeled vehicle" and "four-wheeled agricultural transport vehicle" was renamed as "low-speed truck", and the product name in the "Announcement" Should also be changed in accordance with the regulations, each three-wheeled vehicles, low-speed truck manufacturing enterprises should apply to the National Development and Reform Commission in a timely manner to change the "Announcement" in the name of the product.
For the products in the current "Announcement", each production enterprise shall declare the product name change through the "Notice" application system before November 10, 2006. From January 1, 2007, the product name in the "Notice" does not conform to the stipulated product. It will be withdrawn from the "Announcement" and will not be sold again.
At the same time, according to the relevant national standards, three-wheeled vehicles and low-speed trucks should implement VIN management. The production enterprises of three-wheeled vehicles and low-speed trucks shall apply for the World Manufacturing Plant Identification Number (hereinafter referred to as WMI) to the work organization designated by the National Development and Reform Commission in accordance with the “Administrative Measures†and prepare and record the VIN compilation rules; the enterprises that have obtained WMI also The VIN compilation rules should be revised, improved and re-filed as required. (Zhang Hao) 