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rsdgj@pyzyrsd.com +86 513525609655

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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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+86 513525609655

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rsdgj@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

pin shaft diameter
75KW submersible sand pump sent to Thailand - Dredge Pump ...
75KW submersible sand pump sent to Thailand - Dredge Pump ...

After testing, the ,pump, has a maximum flow of 800 cubic meters of clean water, and there is no overcurrent ,phenomenon,. The best effect is a flow rate of 400 cubic meters, an efficiency of 57%, a motor speed of 980 rpm, an impeller diameter of 440mm, and a maximum passable particle diameter of 10 cm, which is suitable for environments where the content of stones or mud does not exceed 10%. use.

Extraction of suction caissons in sand | Request PDF
Extraction of suction caissons in sand | Request PDF

This ,phenomenon, is supported ... The pullout bearing capacity of the ,suction, caisson in ,sand, is dominated by the ... and the ,pump,-out pressure equals 1.79-2.04 times the ,pump,-in ,suction, after ...

Regular Maintenance Of Thermal Oil Pump - News - Zhejiang ...
Regular Maintenance Of Thermal Oil Pump - News - Zhejiang ...

The suction principle of centrifugal pump is similar to this phenomenon. When the pump and suction pipe are filled with liquid and started, the liquid near the center of the impeller by centrifugal force is thrown to the impeller around, then there is no liquid in the center of the impeller near the formation of a local vacuum, the liquid in the liquid storage tank under the action of atmospheric pressure, through the …

How to Improve the Performance Prediction of a Pump as ...
How to Improve the Performance Prediction of a Pump as ...

The geometry under investigation is composed by one double suction impeller with seven blades. This kind of centrifugal pump is employed to minimize the net positive suction head required when operating in pump mode. Moreover, the volute is double to balance the radial loads on the rotor and

Malfunction Of Motor Pumps - 2021 | EN.DuitDesign.com
Malfunction Of Motor Pumps - 2021 | EN.DuitDesign.com

the ,pump, motor, the ,pump, itself, the upstream line (draw-,suction,), the downstream line (distribution). Some devices include an alarm device, visual and / or auditory, which is triggered automatically in case of untimely shutdown of the ,pump,. There are also safety cut off the engine in case of defusing the ,pump,, to avoid running idle and overheat.

Suction Design Considerations for Sand Bypassing ...
Suction Design Considerations for Sand Bypassing ...

velocities well above the limit of deposition, ,pump, settings can be calculated approximately by the equivalent fluid model. For other cases more sophisticated modeling is required. The example calculations given in the paper show that for ,sand,-water flows, enlarged or sloping ,suction, piping generally does not reduce the likelihood of ,pump, ...

How to Improve the Performance Prediction of a Pump as ...
How to Improve the Performance Prediction of a Pump as ...

The geometry under investigation is composed by one double suction impeller with seven blades. This kind of centrifugal pump is employed to minimize the net positive suction head required when operating in pump mode. Moreover, the volute is double to balance the radial loads on the rotor and

How To Select a Dredge Pump 101 - EDDY Pump
How To Select a Dredge Pump 101 - EDDY Pump

Due to an extremely varied grain size distribution of materials handled by dredge pumps clogging of the suction or discharge of the pumps is a damaging phenomenon which leads to expensive maintenance procedures and more importantly high downtime.

13 Hydraulic-mechanical behavior of partially saturated sand
13 Hydraulic-mechanical behavior of partially saturated sand

Sand,. To study the behavior ,of partially saturated sand, the capillary pressure saturation relationship (soil water characteristic curve: SWCC) for both dense and loose ,sand, specimen was determined. ,Suction, mode as well as pressure mode procedure (axis translation technique) was applied in a modified pressure plate apparatus. The

Extraction of suction caissons in sand | Request PDF
Extraction of suction caissons in sand | Request PDF

This ,phenomenon, is supported ... The pullout bearing capacity of the ,suction, caisson in ,sand, is dominated by the ... and the ,pump,-out pressure equals 1.79-2.04 times the ,pump,-in ,suction, after ...

Suction Design Considerations for Sand Bypassing ...
Suction Design Considerations for Sand Bypassing ...

passing is hydraulic ,suction, dredging, often from considerable depths. This aspect requires an up­ to-dateknowledge of slurry transport, with par­ ticular reference to ,pump, location and ,suction, piping, as will be shown below. MECHANICS OF SLURRY TRANSPORT The motion of solid-liquidmixtures is a com­ plicated ,phenomenon, which, despite decades of

Malfunction Of Motor Pumps - 2021 | EN.DuitDesign.com
Malfunction Of Motor Pumps - 2021 | EN.DuitDesign.com

the ,pump, motor, the ,pump, itself, the upstream line (draw-,suction,), the downstream line (distribution). Some devices include an alarm device, visual and / or auditory, which is triggered automatically in case of untimely shutdown of the ,pump,. There are also safety cut off the engine in case of defusing the ,pump,, to avoid running idle and overheat.

Suction Design Considerations for Sand Bypassing ...
Suction Design Considerations for Sand Bypassing ...

passing is hydraulic ,suction, dredging, often from considerable depths. This aspect requires an up­ to-dateknowledge of slurry transport, with par­ ticular reference to ,pump, location and ,suction, piping, as will be shown below. MECHANICS OF SLURRY TRANSPORT The motion of solid-liquidmixtures is a com­ plicated ,phenomenon, which, despite decades of

How To Select a Dredge Pump 101 - EDDY Pump
How To Select a Dredge Pump 101 - EDDY Pump

Due to an extremely varied grain size distribution of materials handled by dredge pumps clogging of the suction or discharge of the pumps is a damaging phenomenon which leads to expensive maintenance procedures and more importantly high downtime.

Suction Design Considerations for Sand Bypassing ...
Suction Design Considerations for Sand Bypassing ...

velocities well above the limit of deposition, ,pump, settings can be calculated approximately by the equivalent fluid model. For other cases more sophisticated modeling is required. The example calculations given in the paper show that for ,sand,-water flows, enlarged or sloping ,suction, piping generally does not reduce the likelihood of ,pump, ...

13 Hydraulic-mechanical behavior of partially saturated sand
13 Hydraulic-mechanical behavior of partially saturated sand

Sand,. To study the behavior ,of partially saturated sand, the capillary pressure saturation relationship (soil water characteristic curve: SWCC) for both dense and loose ,sand, specimen was determined. ,Suction, mode as well as pressure mode procedure (axis translation technique) was applied in a modified pressure plate apparatus. The

Regular Maintenance Of Thermal Oil Pump - News - Zhejiang ...
Regular Maintenance Of Thermal Oil Pump - News - Zhejiang ...

The suction principle of centrifugal pump is similar to this phenomenon. When the pump and suction pipe are filled with liquid and started, the liquid near the center of the impeller by centrifugal force is thrown to the impeller around, then there is no liquid in the center of the impeller near the formation of a local vacuum, the liquid in the liquid storage tank under the action of atmospheric pressure, through the …

DEVELOPMENT OF SIMPLE SAND BYPASS SYSTEM USING A …
DEVELOPMENT OF SIMPLE SAND BYPASS SYSTEM USING A …

The water jets fluidize the surrounding ,sand,, allowing the ,suction, pipe system to sink into the ,sand, under its own weight (dead weight, including that of ,pump,, etc.). When the slurry ,pump, is started, a mixture of fluidized ,sand, and seawater flows into the ,suction, pipe through the holes in the pipe.

75KW submersible sand pump sent to Thailand - Dredge Pump ...
75KW submersible sand pump sent to Thailand - Dredge Pump ...

After testing, the ,pump, has a maximum flow of 800 cubic meters of clean water, and there is no overcurrent ,phenomenon,. The best effect is a flow rate of 400 cubic meters, an efficiency of 57%, a motor speed of 980 rpm, an impeller diameter of 440mm, and a maximum passable particle diameter of 10 cm, which is suitable for environments where the content of stones or mud does not exceed 10%. use.

DEVELOPMENT OF SIMPLE SAND BYPASS SYSTEM USING A …
DEVELOPMENT OF SIMPLE SAND BYPASS SYSTEM USING A …

The water jets fluidize the surrounding ,sand,, allowing the ,suction, pipe system to sink into the ,sand, under its own weight (dead weight, including that of ,pump,, etc.). When the slurry ,pump, is started, a mixture of fluidized ,sand, and seawater flows into the ,suction, pipe through the holes in the pipe.

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+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City