Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

Contract of Sale Agreement

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.

Certificate of Honor

CONTACT US

Customer satisfaction is our first goal!

Phone

+86 513525609655

E-Mail

rsdgj@pyzyrsd.com

Address

Road West, North Branch, Jingkai Road, Puyang City

Contract of Sale Agreement
Water Filters | Industrial & Commercial - Pure Aqua Inc.
Water Filters | Industrial & Commercial - Pure Aqua Inc.

In a conventional ,sand filter,, lighter and finer ,sand, particles are found at the top of the ,filter, bed, and coarser, heavier ,sand, particles remain at the bottom after ,backwashing,. Filtration takes place in the top few inches of the ,filter, bed. A multi-media ,filter, is backwashed in the same manner as a ,sand filter,, using reverse or upward flow ...

The 12 Best Pool Filter Reviews 2021 on the Market
The 12 Best Pool Filter Reviews 2021 on the Market

5/3/2021, · How easy it is to use this ,sand filter,. The Intex 26645 swimming pool ,sand filter, has 1600 GPH flow rates. It includes a 6-position valve. This ,sand filter, filters and cleans the swimming pool (like a vacuum cleaner).. The Intex 26645 ,sand filter pump, is suitable for …

Pool Filters for sale | In Stock | eBay
Pool Filters for sale | In Stock | eBay

Sand filter, parts: ,Sand filter, parts consist of a multiport valve (MPV), a pressure gauge, o-rings, clamps, clamp bands, the ,filter, tank, laterals, a baffle, a drain cap, and a gasket. ,Cartridge, filters: ,Cartridge, filters have the fewest parts because they don’t have a backwash assembly.

What is the difference between sand filters and cartridge ...
What is the difference between sand filters and cartridge ...

Expense wise, the initial cost of a ,sand filter, is generally higher than ,cartridge, filters, but over time, it becomes cheaper as you don’t need to replace the ,filter, media as often. Cleaning ,sand, filters is pretty straightforward and it uses a technique called “,backwashing,” it’s basically reversing the flow of water and it’s a very simple task that can be done in just a few minutes.

Best Pool Filter Type: DE Sand or Cartridge? | InTheSwim ...
Best Pool Filter Type: DE Sand or Cartridge? | InTheSwim ...

To clean the ,filter cartridge, or cartridges you open up the ,filter, and take cartridges out and spray them with a hose, which takes 5-30 mins. ,Cartridge, filters are so named because they contain a pleated spun polyester ,filter cartridge, that looks similar to the air ,filter, you will find in your car.

Pool Supply World - Cartridge D.E. and Sand Pool Filters
Pool Supply World - Cartridge D.E. and Sand Pool Filters

A ,sand filter, requires you to perform a process called ,backwashing,. This will reverse the flow of the water in the ,sand,-bed to purge out the dirt and debris in the ,filter,. A ,cartridge filter, contains a ,filter, or filters that trap the particles and dirt in them and allow you to take them out …

What pump and filter? - PoolForum
What pump and filter? - PoolForum

20/3/2012, · A ,sand filter, requires fairly high flow rates for ,backwashing, so you just need to make sure the ,pump, can provide enough flow rate for the ,filter,. In most cases, this should not be a problem and the combo units have pumps that are more than large enough for the task.

Water Filtration Products Catalog – Pure Water Products LLC
Water Filtration Products Catalog – Pure Water Products LLC

Our classic Model 77, the world’s greatest $77 water ,filter,, is the only water ,filter, we know of that has an unconditional lifetime guarantee. Several styles and many ,cartridge, options are available. This is a sturdy, effective water ,filter, that installs in a jiffy (or less) and lasts a lifetime. Parts for Countertop Water Filters. 2

Automatic backwashing filter (800-6000μm)-Backwash filter ...
Automatic backwashing filter (800-6000μm)-Backwash filter ...

Product features. Technical Parameters. The maximum filtration flow rate of a single unit can reach 4000m3/h. Filtering accuracy from 6000 microns to 800 microns. Minimum working pressure ≥0.2Mpa. Maximum working pressure ≤1.6MPa (special customizable) Working temperature ≤65°C. Power supply: 220V/50Hz. Control voltage: AC24V.

Filters & Pumps – Home Page – Budget Pools – Peabody ...
Filters & Pumps – Home Page – Budget Pools – Peabody ...

EasyClear™ and Micro StarClear ,cartridge filter, and ,pump, systems provide crystal clear water to accommodate smaller pools or spas without the need of supplemental media or ,backwashing,. ... A broad ,selection, of ,filter, sizes, ... Large pressure ,sand,/water drain for rapid winterizing or servicing;

Sand Cartridge and DE – The Best Pool Filters| Everything ...
Sand Cartridge and DE – The Best Pool Filters| Everything ...

Filter, Balls: Cleaning ,sand, filters are comparatively easier than cleaning a DE or a ,cartridge filter,. It is cleaned by ,backwashing, and it requires a lot of water to be drained. Pool filters and its mediums are evolving and during this continuous process, I’ve found another ,sand filter, alternative called ,filter, ball.

Best Pool Filter Type: DE Sand or Cartridge? | InTheSwim ...
Best Pool Filter Type: DE Sand or Cartridge? | InTheSwim ...

Pros – The DE ,filter, has the advantage of filtering the water to the smallest particle size (2-3 microns) and will keep the water cleaner than a ,sand filter, or ,cartridge filter,. This can translate to less ,pump, run time and less sanitizer needed to keep the water clean and clear.

How Pool Filters Work - Hayward POOLSIDE Blog
How Pool Filters Work - Hayward POOLSIDE Blog

Once the water pressure rises, the ,filter, is backwashed, just like a ,sand filter,, and then “recharged” with more D.E. powder. Pros: D.E. offers the finest level of filtration available delivering the clearest water possible. Cons: Water, chemicals and heat are lost during ,backwashing,. ,Cartridge, Pool Filters – the greenest filtration

Best Above Ground Pool Pump Sand Filter System – intex ...
Best Above Ground Pool Pump Sand Filter System – intex ...

16/6/2019, · ,Backwashing, the ,filter, is the procedure of reversing the flow and allowing the dirty water to leave the system, either by letting it flow in the yard, street or within a sewer system. ,Sand, filters are so named since they include a pleated spun polyester ,filter cartridge, that looks like the air ,filter, you will discover in your vehicle. ,Sand, filters work the same manner except once the ,cartridge, …

How To Clean Any Pool Filter
How To Clean Any Pool Filter

filter, — with a cleaner that works — while ,backwashing, the ,filter,. Here’s how: Start ,backwashing, the ,filter, to remove dirt and debris. Slowly add the ,sand filter, cleaner into the skimmer. Backwash the ,filter, for 3 to 5 minutes again to remove dirt and debris that has been dislodged by the ,filter, cleaner. When complete, turn off the ,filter, ...

50 Pool Pumps and Filters That Are Worth the Money in 2021 ...
50 Pool Pumps and Filters That Are Worth the Money in 2021 ...

The Swimline 71400 14-Inch Sand Filter Tank with Valve is a replacement sand filter tank with a 6-way valve and base. It is primarily designed for Swimline 71405 14-Inch Sand Filter System - 0.5 HP but it can also be used for any filter pump. Its 4-way valve includes Filter, Backwash, Rinse, and Waste operation selections.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City