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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

E-Mail

rsdgj@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

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Analysis of the pressure limiting valve and its failure ...
Analysis of the pressure limiting valve and its failure ...

21/3/2019, · The working principle of the pressure limiting valve is: in most of the time, the pressure limiting valve is closed. Only when the pressure of the working medium exceeds a certain value, the pressure limiting valve is opened, and a part of the medium is discharged from the bypass to reduce the pressure in the system.

Failure analysis of horizontal injection pump and ...
Failure analysis of horizontal injection pump and ...

Working principle of 1.1 level water injection pump The horizontal injection pump is a multi-stage centrifugal pump, which is driven by the impeller at high speed by the motor. Under the centrifugal force, the liquid filled with the impeller is flung from the impeller center along the blade path to the impeller.

How Bosch injectors work and some related failure forms
How Bosch injectors work and some related failure forms

When the injector does not work, the nozzle needle ,valve, blocks the hole, preventing high-pressure fuel ,injection, into the combustion chamber. When the injector solenoid coil receives the ECU signal, armature is sucked up due to the electromagnetic power generated by the coil, at the same time the ,valve, ball and ,valve, ball holder are elevated by the oil pressure, so does the nozzle needle ,valve,.

Q Series Quintuplex Plunger Mud Pump For Sale | SAIGAO Mud ...
Q Series Quintuplex Plunger Mud Pump For Sale | SAIGAO Mud ...

The working principle relies on the rotation of the crankshaft to drive the piston to reciprocate to achieve liquid absorption and drainage. Axial. The axial piston pump (English name: Piston pump) is a plunger pump in which the reciprocating direction of the piston or …

Comparison of Three Overload Protection Measures for Jaw ...
Comparison of Three Overload Protection Measures for Jaw ...

Due to the decrease of crushing force, the action valve restores its valve core to the upper limit position without instantaneous high pressure in the upper chamber, and no longer discharges oil to the system; meanwhile, the plunger type fuel injection pump pumps oil to the system with the maximum pump oil quantity under the action of the oil pressure regulating device, until the piston of the working hydraulic …

HEAVY DUTY PUMPS engineered PumPs
HEAVY DUTY PUMPS engineered PumPs

Working principle, the Houttuin double entry twin geared screw ,pump, is a selfpriming, rotary positive displacement ,pump,. the two screwshafts which are ,working, together are rotating in the ,pump, casing with a replacable liner. Because of the special screw profiles the liquid is being pumped with minor backflow. in addition to the fore-

Types of Pumps in Oil and Gas Industry | Upstream ...
Types of Pumps in Oil and Gas Industry | Upstream ...

Diaphragm pumps are one of the most versatile types of oil and gas pumps in the industry and transfer fluid through positive displacement with a ,valve, and diaphragm. The ,working principle, of this ,pump, is that a decrease in volume causes an increase in pressure in a vacuum and vice versa.

How Bosch injectors work and some related failure forms
How Bosch injectors work and some related failure forms

When the injector does not work, the nozzle needle ,valve, blocks the hole, preventing high-pressure fuel ,injection, into the combustion chamber. When the injector solenoid coil receives the ECU signal, armature is sucked up due to the electromagnetic power generated by the coil, at the same time the ,valve, ball and ,valve, ball holder are elevated by the oil pressure, so does the nozzle needle ,valve,.

Diesel Fundamental Terms - SWTC
Diesel Fundamental Terms - SWTC

Delivery ,Valve, - A check ,valve, on the outlet of the ,injection pump, that keeps the high pressure fuel lines full of fuel. Density - The weight per unit volume of a substance. Depth of Engagement - The depth of a thread in contact with two mating parts. It is the radial distance by …

How Bosch injectors work and some related failure forms
How Bosch injectors work and some related failure forms

When the injector does not work, the nozzle needle valve blocks the hole, preventing high-pressure fuel injection into the combustion chamber. When the injector solenoid coil receives the ECU signal, armature is sucked up due to the electromagnetic power generated by the coil, at the same time the valve ball and valve ball holder are elevated by the oil pressure, so does the nozzle needle valve.

HEAVY DUTY PUMPS engineered PumPs
HEAVY DUTY PUMPS engineered PumPs

Working principle, the Houttuin double entry twin geared screw ,pump, is a selfpriming, rotary positive displacement ,pump,. the two screwshafts which are ,working, together are rotating in the ,pump, casing with a replacable liner. Because of the special screw profiles the liquid is being pumped with minor backflow. in addition to the fore-

Pumps
Pumps

Fibreglass ,Sand, Filter Without Valves Featured Highlights Heavy-duty closure provides easy inspection, and features an easy-to-read pressure gauge with air relief ,valve, Swing-away diffuser allows instant access to ,sand, and all internal parts All internal parts are threaded for ease of service Internal air bleed Bulkhead connectors are threaded for easy installation and service Combination ,sand, ...

Principle of operation of the diesel: features advantages ...
Principle of operation of the diesel: features advantages ...

The principle of operation of diesel injection pump. A high pressure pump receives fuel that is pumped from a low pressure booster pump. In a certain sequence, the injection pump injects a portion of the fuel into the injector line for each cylinder. These nozzles can only open when exposed to high line pressure.

HEAVY DUTY PUMPS engineered PumPs
HEAVY DUTY PUMPS engineered PumPs

Working principle, the Houttuin double entry twin geared screw ,pump, is a selfpriming, rotary positive displacement ,pump,. the two screwshafts which are ,working, together are rotating in the ,pump, casing with a replacable liner. Because of the special screw profiles the liquid is being pumped with minor backflow. in addition to the fore-

Sucker Rod Pump Heavy Oil Recovery Downhole Pump ...
Sucker Rod Pump Heavy Oil Recovery Downhole Pump ...

15/9/2020, · The pump has a, blocking valve, that, blocks sand to prevent sand accumulation in the barrel and, the, plunger., Advantages of the mechanical top seal rod pump. The design of this pump reduces its chances of being stuck. The build and structure of the mechanical top seal rod pump ensure no sand accumulation in the hold-down.

Analysis of the pressure limiting valve and its failure ...
Analysis of the pressure limiting valve and its failure ...

21/3/2019, · The working principle of the, pressure limiting, valve is: in most of the time,, the pressure limiting valve is closed., Only when the pressure of the working medium exceeds a certain value, the, pressure limiting, valve is opened, and a part of the medium is discharged from the bypass to reduce the pressure in the system.

Failure analysis of horizontal injection pump and ...
Failure analysis of horizontal injection pump and ...

Working principle, of 1.1 level water ,injection pump, The horizontal ,injection pump, is a multi-stage centrifugal ,pump,, which is driven by the impeller at high speed by the motor. Under the centrifugal force, the liquid filled with the impeller is flung from the impeller center along the blade path to the impeller.

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+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City