Hot oil pump start-up and switching pump steps introduced

Hot oil pump start-up and switching pump steps:
a) Check the pump, motor parts appearance is complete, non-destructive;
b) a good car plate, plus a good lubricant, open the cooling water, base cooling water;
c) lead the seal oil to the pump and dehydrate, preheat the pump well in advance;
d) fully open inlet valve, close the outlet valve, open the exhaust valve so that the liquid filled pump body;
e) start the motor, check the motor temperature, bearing temperature, vibration, with or without leakage;
f) When the pump outlet pressure reaches the rated value, it should gradually open the outlet valve, until the operation is normal, hot oil pump should be operated immediately after the seal into the oil seal;
g) spare pump should be fully checked before starting and preparation before start-up, hot oil pump should be fully preheated;
h) open the pump inlet valve, full close the outlet valve, so that the pump body is filled with medium, the exhaust valve to the gas row of the net row;
i) Start the motor, check the operation of various parts, normal operation, the current is stable, gradually open spare pump outlet valve, gradually shut down the hot oil pump outlet valve

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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

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