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Electronically Controlled VE4015A1005 Proportional Valves

Basic Information

Place of Origin:	china
Brand Name:	sennisi
Certification:	ce
Model Number:	V88A1691

Minimum Order Quantity:	1
Price:	USD＋54
Packaging Details:	Wooden box
Delivery Time:	8
Payment Terms:	T/T, Western Union
Supply Ability:	30＋piece＋7 days

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Condition:	New	Warranty:	1years
Place Of Origin:	Guangdong, China	Brand Name:	Original
Supply Ability:	450 Piece/Pieces Per Month	Packaging Details:	Carton
High Light:	solenoid proportional control valve , burner proportional control valve , VE4015A1005 Proportional Valves

Electronically Controlled Proportional Valves VE4015A1005 For Strongly Corrosive Media

safety:

1. Corrosive media: plastic king solenoid valve and all stainless steel should be selected; for strongly corrosive media, isolation diaphragm type must be used. For the neutral medium, the solenoid valve with copper alloy as the material of the valve shell should also be selected. Otherwise, rust debris often falls off in the valve shell, especially in the occasion of infrequent movement. The valve for ammonia cannot use copper.

2. Explosive environment: the corresponding explosion-proof products must be selected, and waterproof and dustproof products should be selected for outdoor installation or dusty occasions.

applicability:

1. Medium characteristics

1) Different types of solenoid valves are selected for gas, liquid or mixed state;

2) Products with different specifications of medium temperature, otherwise the coil will burn out and the seals will be aged, which will seriously affect the service life;

3) Medium viscosity, usually below 50cSt. If this value is exceeded, a multifunctional solenoid valve is used when the diameter is greater than 15mm; a high viscosity solenoid valve is used when the diameter is less than 15mm.

4) When the medium cleanliness is not high, a recoil filter valve should be equipped in front of the solenoid valve. When the pressure is low,

2. Pipeline parameters

1) Select the valve port and model according to the requirements of medium flow direction and pipeline connection;

2) The nominal diameter is selected according to the flow rate and the Kv value of the valve, or the same as the inner diameter of the pipeline;

3) Working pressure difference: the minimum working pressure difference above 0.04Mpa is optional indirect pilot; the minimum working pressure difference is close to or less than zero must use direct-acting or step-by-step direct.

3. Environmental conditions

1) The maximum and minimum temperature of the environment should be selected within the allowable range;

2) In the environment where the relative humidity is high and there are water drops and rain, waterproof solenoid valves should be selected;

4. Power conditions

1) According to the type of power supply, AC and DC solenoid valves are selected respectively. Generally speaking, the AC power supply is convenient;

2) Use AC220V.DC24V as the priority for voltage specifications;

3) Fluctuation of power supply voltage usually selects +% 10% .- 15% for AC, and DC allows about ±% 10. If it is out of tolerance, voltage stabilization measures must be taken;

4) The rated current and power consumption should be selected according to the power supply capacity. It should be noted that the VA value is higher during AC starting, and the indirect pilot solenoid valve should be preferred when the capacity is insufficient.

5. Control accuracy

1) Ordinary solenoid valves have only two positions, open and close, and multiple solenoid valves are required when the control accuracy is high and the parameters are stable;

2) Action time: refers to the time when the electrical signal is turned on or off to the completion of the action of the main valve;

3) Leakage: The leakage value given on the sample is a commonly used economic grade.

reliability:

1. Working life, this item is not included in the factory test items, it is a type test item. In order to ensure the quality, we should choose the brand-name products of regular manufacturers.

2. Working system: divided into long-term working system, repeated short-time working system and short-time working system. For the case where the valve is opened for a long time and only closed for a short time, the normally open solenoid valve should be used.

3. Working frequency: When the operating frequency is high, the structure should be a direct-acting solenoid valve, and the power source should be AC.

4. Action reliability

Strictly speaking, this test has not been officially listed in China's solenoid valve professional standards, in order to ensure quality should choose the brand-name products of regular manufacturers. In some occasions, the number of actions is not very high, but the requirements for reliability are very high, such as fire protection, emergency protection, etc., which must not be taken lightly. It is particularly important to take two dual insurances.

Economical:

It is one of the selected scales, but it must be economical on the basis of safety, applicability, and reliability.

Economy is not only the selling price of the product, but also the priority of its function and quality, as well as the cost of installation, maintenance and other accessories.

More importantly, the cost of a solenoid valve in the entire automatic control system, the entire automatic control system and even the production line is very small. If you want to make a small choice and make a mistake, the damage group is huge.

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