Hydraulic overflow cylinder for TSHD dredger(USC-9-003)

Specifications overflow cylinder

High accuracy, fully welded, painted for TSHD

BV certificate

Short constructed, long service life

The specifications of our overflow cylinder A.General High accuracy, fully welded, painted construction with hydraulic cylinder can be used for trailing suction hopper dredger. The overflow system generally consists of a fixed outer part and a sliding inner part, both tubular. At the top of the moving part is a cone or rectangular-shaped weir, the purpose of which is to obtain a non-turbulent, uniform flow to encourage settling. The moving part is raised or lowered by means of a hydraulic cylinder attached to the fixed part. The overflow drains excess process water overboard. An effective overflow system induces little turbulence, allowing the mixture maximum time to settle. All overflows are designed with the needs of a specific vessel in mind. A good overflow system can significantly raise net production. B. Construction and procedure The construction is to be built according to the drawing with rules of good workmanship. On the high-precision platform, using theodolite, vertical lines or Other auxiliary tools, to control the deformation, concentricity, length, parallelism. C. Materials All fabricated steelwork used in the construction 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) D. Welding All welding will be performed in accordance with drawing and order and UniSite experience and all welding will be continuous and full penetration. E. Workmanship The workmanship have good marine practice. Care are taken to ensure fair lines, smooth surfaces and neat welding. F. Main particulars

	MAIN PARTICULARS
Tolerance	High accuracy(ISO2768, ISO5817, ISO13920); Detail: ID+/-2mm, Length within 5mm, straightness: <1mm/1m(max5mm)
Material	S355,Q345D,20#,S235JRG2,Q235B,OVAKO280 or other materials
Weight	5-20T
Dimension(L*B*H)	As per drawing
Standard	GBT700/GBT1591-2008 ,ASTM,ISO2768M+H,ISO13920.B+F,ISO5817B,ISO9296,DIN8551
Special capacity	Large-size for the ocean engineering vehicle,High accuracy
Surface	Sa2.5 blasted and two or three layers painted with highest quality
Marking	as per clients' requirements, normal weld stainless mark plate
Inspection	material, construction, dimension, welding seam, non defective test, paint inspection
Others	Recyclable, in line with environmental requirements and standards, and reliable

  G. Certificates - Material certificates by a classification society EN10204 3.1 - Inspection protocol - NDT reports - Fixed certificate: ISO9001, BV certificate, CCS certificate   Accessories of our overflow A. Main structural support,seamless pipe   Photos of our overflow   Our service Besides above the general specifications, we can also supply some overflow and other similar steel structure as clients' requirements.   Package and shipping bulk package and bulk vessel transportation container package and container transportation   Company Simple information Long-term cooperation with world top dredging and marine companies for more than 10years, UniSite is specialized in providing comprehensive service and parts of dredging, Land Reclamation, offshore, marine, municipal projects. UniSite is one of the most professional dredging and marine companies in design, manufacture, and construction and related products and services. UniSite group has a perfect managing system and our staff who are professional in technology are committed, passionate, efficient. Safety & quality are the key factors of UniSite group with good QHSE experience and ISO9001/BV certificate. With professionalism, vitality, innovation, respect, team spirit, UniSite culture (corporate values, corporate philosophy and behavior shaping) is continuously developing, along with our company from its foundation. UniSite group is able to offer our client best possible and most sustainable solutions to their requirement. More detail please refer to our website: /  

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