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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

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New technology offers sand control option | Offshore
New technology offers sand control option | Offshore

Low bottomhole pressure may cause differential sticking due to inability to circulate; Low bottomhole pressure may lead to multiple runs with inner string to set mechanical packers; Inner strings take time to run and may increase weight and stiffness; Fluid ,loss, during running of upper completion is difficult and costly to control.

D1050N Low-Flow-Rate Mixed-Flow Pump for REDA ESP Systems
D1050N Low-Flow-Rate Mixed-Flow Pump for REDA ESP Systems

than the seal of a traditional, pump, did after 400 hr in the, sand, loop test well, with more than 1,350 lbm [612 kg] of, sand, produced through the, pump,. This dramatically reduced, rate, of wear allowed the, pump, to produce more fluid—that is, the production, lost, was only about half that, lost, with the traditional, pump,—and it prolonged, pump, life,

Troubleshoot Low Water Pressure On Well Water Systems. Fix ...
Troubleshoot Low Water Pressure On Well Water Systems. Fix ...

1. Low, flow coming from, the well pump. This can be caused by, aging, well pump wearing out, clogged well screens, a partially stuck check valve, broken well pipe, or corroded well pipe. For well water problems, it’s best to consult a well professional.

Flow restriction in pool and spa filtration - AQUA Magazine
Flow restriction in pool and spa filtration - AQUA Magazine

It takes more ,energy, to get the water through Pentair's 180-degree valve turn than it does to get it through the actual ,sand, bed or DE filter, according to Swindell. "But with cartridge filtration," he says, "you don't normally have a valve."

Pool pumps - the heart of the pool
Pool pumps - the heart of the pool

Lowering a ,pump,’s flow ,rate, not only significantly decreases the ,pump,’s energy requirements, but also reduces water flow resistance in your pool equipment and plumbing. A slow flow ,rate, also has the added benefit of improving the pool’s filtration efficiency, enhancing the clarity of the swimming pool water.

Sand Filter - an overview | ScienceDirect Topics
Sand Filter - an overview | ScienceDirect Topics

Typically sand has a voidage of 37–40%, defined as: 100× (particle density−bulk density)/particle density. Loss in weight on ignition at 450°C should be, <2%, and the loss in weight on acid washing (20% v/v hydrochloric acid for 24 hours at 20°C) should be, <2%.

How to Reduce Your Pool Pump Energy Bill - INYOPools.com
How to Reduce Your Pool Pump Energy Bill - INYOPools.com

Bitz - A VS ,pump, can save you up to 80% on your ,energy, bill. See our guide on "How to Save Money Using a Variable Speed Motor". I'm not sure what you mean by going totally solar. Generally a solar ,system, needs a ,pump, to circulate the water through a solar ,system, …

How to Choose a Pump | Tsurumi Pump
How to Choose a Pump | Tsurumi Pump

This range is charted on a graph, and is referred to as the ,pump,’s performance curve. If a ,pump, is put into a system that it is improperly sized for (performing too far left or right of the curve), you can end up with no flow, or the ,pump, will run unbalanced and cause premature failure. …

Slow Sand Filtration | SSWM - Find tools for sustainable ...
Slow Sand Filtration | SSWM - Find tools for sustainable ...

If flow, rates, are too, low,, the filter must be drained and the top layer of the, sand, scraped off, washed, dried in the sun, and stored. After several scrapings, the cleaned and dried, sand, is added back to the filter, together with new, sand,, to make up for, losses, during washing.

Types of Water Pumps for Irrigation Systems
Types of Water Pumps for Irrigation Systems

The main ,pump, is a standard end-,suction, centrifugal, close-coupled to a motor, just like described in the End ,Suction, Centrifugal ,Pump, description a few paragraphs above. This end ,suction, centrifugal part of the jet ,pump,, along with an attached motor, is mounted at the top of the well or above the high water level if pumping from a creek, river, pond, or tank.

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+86 513525609655

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Road West, North Branch, Jingkai Road, Puyang City