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Mech Custom ways of reducing water pressure Suppliers water pipe

Mech Custom ways of reducing water pressure Suppliers water pipe

Connection Ends
Flange to BS EN 1092-2:1997
Temperature Range
0℃- 80℃
Coating
Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
Working Pressure
PN10/PN16
Price
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Statement


SK710X Electromagnetic Control Valve is a diaphragm type of hydraulic control valve driven by the hydraulic pressure within the piping system. This type of valve is widely applied in the field of piping system optimization, pressure division, water reservoir (tank) backup, change of industrial valves, etc., with its closing and opening remotely controlled by electric signal.

Features


Operational principle

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SK710X Electromagnetic Control Valve is controlled by solenoid valve and equipped with normally open (or normally closed) two positions two ways or two positions three ways solenoid pilot valve, needle valve, mini strainer and ball valve, etc.

When the normally open solenoid valve is applied, the main valve in most cases will be in open position. When there is pressure coming from the flow direction, Pressure P1 enters the upper cavity room of the valve through the guide tube and then comes to the low pressure area through the normally open solenoid valve. In this way the upper cavity room is not able to form confined space and the disc of the main valve will be opened at the pressure of P1. When the normally open solenoid valve is closed, pressure P1 will be accumulated inside the upper cavity which will gradually push the membrane to close the disc and the valve.

For normally closed solenoid valve, the main valve will be in most cases closed and operation principle same as stated above. The application of the solenoid valve depends on the working environment. In case the water inside the piping system are highly corrosive or with high deposits, user can choose also to control the valve with medium from outside. It's up to the option of the client, depending on different working conditions.


Property and advantages

• Driven by pressure of pipe system, work automatically with energy of pipe system to achieve energy conservation and environment protection.

• Controlled by the pilot valve, lower energy consumption, achieve accurate pressure reducing results, have function of stabilizing pressure after the valve.

• Dual cavity design, with functions of fully opening and fully closing. Slow shut causes no pressure fluctuation, and the diaphragm with support is well protected.

• Have internal orifice, connect bottom cavity and outlet of the basic valve, make sure stability of reaction to keep stability of pressure after the valve, avoid any vibration and noise.

• Channel with straight-flow, slight friction loss, no eddy flow and turbulent flow, cut down the damage of cavitation.

• Long pitch orientation design for stem move, stable and no gap resistance.

• Balanced automatically, big gap design on connection of disc and stem, disc is free on the vertical flat against stem, it can balance the tolerance from machining and sealing surface. Good connection without leakage. Achieve functions of both reducing dynamic pressure and reducing static pressure.

• Ductile iron castings with nodularity higher than 90%, foundry in house with advanced melting technology and strict quality control system, testing reports and testing bars can be supplied with order. Records and testing bars maintained for one year in the factory.

• Good corrosion resistance, with stainless steel, copper alloy, rubber made from DuPont and other rust- resisting material, fusion bonded epoxy coating both for interior and exterior surface of the basic valve. All the characteristics in accordance with ANSI/AWWA C550 and other international specifications like WRAS, NSF61.



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SK710X


Notes for installation and debugging

• All the Pressure Reducing Valves have been finished initial debugging tests before delivery. Further dubugging test is also suggested during using according to different working conditions. After the pipe system becomes stable, please loose the adjusting screw on the top of pilot valve to the top- most position.

• After the pipe system becomes stable, please loose the adjusting screw on the top of pilot valve to the top- most position.

• Tighten adjusting screw of pilot valve in clockwise slowly. When outlet pressure increase to the set pressure please fasten the locknut under the adjusting screw.

• If go beyond the set pressure during adjusting, please repeat the above steps. Remember, pressure can be only adjusting from low level to high level and pay attention to make the adjusting slowly.



Typical installation illustration

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Common problems and proposed solutions



 Common Problems

 Proposed Solutions

Pressurize in front of the valve but valve can't be opened when choose condition of normally open and no power.

Check if needle valve or ball valve in front of the basic valve is opened. If not, please open it.

 

The basic valve can't be closed when choose normally open and shut down the power.

 

Check condition of wiring, make sure action in place and for the solenoid valve and sealing is good condition for the solenoid valve. Check if there's sundries blocked inside the basic valve. Wash the mini strainer before basic valve and make sure it's unblocked.

 

Pressure in front and the valve can't close complete with leakage when choose condition of normally close and no power.

 

Check if any damage or blocks on the sealing surface of basic valve.

 

No water after valve, valve is not open when choose condition of normally close and electrified.

 

Check if solenoid valve is in good working condition. Check if needle valve or ball valve is open in front of the valve.


In the whole production process, there are personnel to inspect, not only that, Shenzhen Mech Valve Trading Co., Ltd. also has a testing department, which conducts re-inspection of various performance indicators before leaves the factory to ensure that meets the needs and expectations of customers.
Produce in strict accordance with the standards stipulated by the company and the requirements of the market to ensure that it can pass the inspection of relevant state departments and meet the national quality standards. It is a high-quality product with guaranteed quality.
Shenzhen Mech Valve Trading Co., Ltd. has a modern factory building, and introduces advanced production equipment, and after the production is completed, it will be tested by the relevant national departments to meet the national quality standards, ensuring that it not only has high output, but also stable performance and high quality .
The company has many years of production and manufacturing experience, not only has professional production and quality inspection equipment, but also masters advanced manufacturing technology and technology, has established a rigorous and scientific quality management system, and produces with reliable performance and excellent quality , far exceeding peer products.
The company has always adhered to fine management for many years, and strictly controls the quality of every important link such as product design, research and development, production, testing, and delivery to ensure that the produced are all qualified products that meet national standards.
The product is safe to use. During the designing stage, its safety has been strengthed to reduce potential safety danger exists in the product itself. The product is foldable for easy storage
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