Italian ATOS DLEH-2C/R20 solenoid valve in stock

Brand

ATOS/Italian Atos

Flow Direction

Other

3C Valve Category

Industry

Application Areas

Chemical, Petroleum, Mining, Road/Rail/Marine, General

ATOS solenoid valves are electromagnetically controlled industrial devices, fundamental components of automation used to control fluids. They are actuators, not limited to hydraulic or pneumatic systems. Used in industrial control systems to adjust the direction, flow rate, speed, and other parameters of the medium. Solenoid valves can be used with different circuits to achieve the desired control, ensuring both precision and flexibility. There are many types of solenoid valves, each playing a different role in the control system. Commonly used types include check valves, safety valves, directional control valves, and speed control valves.

ATOS Solenoid Valve Working Principle:

An ATOS solenoid valve contains a sealed chamber with through-holes at different positions, each connecting to a different oil pipe. Inside the chamber is a piston, flanked by two electromagnets. When the coil of one electromagnet is energized, the valve body is attracted to that side. Controlling the movement of the valve body opens or closes different drain holes. The inlet hole is always open, allowing hydraulic oil to enter different drain pipes. The oil pressure then pushes the piston in the cylinder, which in turn moves the piston rod, which in turn drives the mechanical device. Thus, controlling the current to the electromagnets controls the mechanical movement.

ATOS Solenoid Valve Selection: The selection should first follow four principles in order: safety, reliability, applicability, and economy. Secondly, it should be based on six aspects of the on-site operating conditions (i.e., pipeline parameters, fluid parameters, pressure parameters, electrical parameters, operating method, and special requirements).

ATOS Solenoid Valve Selection Principles:

ATOS Solenoid Valve Safety:

1. Corrosive Media: Plastic King Solenoid Valves and All-Stainless Steel Valves are recommended; for highly corrosive media, diaphragm type valves must be selected. 1. For neutral media, solenoid valves with copper alloy valve bodies are preferable; otherwise, rust particles will frequently flake off from the valve body, especially in applications with infrequent operation. Copper cannot be used for ammonia valves.

2. Explosive environments: Appropriate explosion-proof products must be selected. For outdoor installations or dusty environments, waterproof and dustproof models should be chosen.

3. The nominal pressure of the solenoid valve should exceed the maximum working pressure within the pipe.

ATOS Solenoid Valve Applicability:

1. Media Characteristics

1) Different types of solenoid valves should be selected for gaseous, liquid, or mixed states.

2) Different specifications of products should be used for different media temperatures; otherwise, the coil will burn out, the seals will age, and the lifespan will be severely affected.

3) Media viscosity is typically below 50 cSt. If it exceeds this value, a multi-functional solenoid valve should be used for a diameter greater than 15 mm; a high-viscosity solenoid valve should be used for a diameter less than 15 mm.

4) When the cleanliness of the medium is not high, a backwash filter valve should be installed before the solenoid valve. For low pressure, a direct-acting diaphragm solenoid valve can be used.

5) If the medium flows in a directional manner and backflow is not allowed, a bidirectional flow valve is required.

6) The medium temperature should be within the allowable range of the solenoid valve.

2. ATOS Solenoid Valve Piping Parameters

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

2) Select the nominal diameter according to the flow rate and valve Kv value; alternatively, the same as the pipeline inner diameter can be selected.

3) Working pressure difference: For a minimum working pressure difference above 0.04 MPa, an indirect pilot-operated type can be used; for a minimum working pressure difference close to or less than zero, a direct-acting or step-by-step direct-acting type must be used. 5. ATOS Solenoid Valve Control Accuracy

1) Ordinary solenoid valves only have two positions: open and closed. For applications requiring high control accuracy and stable parameters, multi-position solenoid valves must be selected.

2) Activation Time: The time from the electrical signal being connected or disconnected to the main valve completing its action.

3) Leakage: The leakage values ​​given in the sample are for commonly used economic grades.

Performance Requirements (Folded)

1. Reversing Performance

Under specified operating conditions, can the solenoid valve reliably reverse direction after being energized, and reliably reset after being de-energized?

2. Pressure Loss

The pressure loss of a solenoid directional valve consists of flow loss and throttling loss generated when the fluid flows through the valve orifice.

3. Internal Leakage

The internal leakage of a solenoid directional valve refers to the leakage from the high-pressure chamber to the low-pressure chamber under specified operating conditions and in various operating positions.

4. Reversing and Reset Time

The time required from the energization of the solenoid to the termination of the valve core reversal. The reset time is the time required from the de-energization of the solenoid to the valve core returning to its initial position. 5. Commutation Frequency

Maximum number of commutations allowed per unit time

6. Service Life

DLEH-2C/R 20 (replaces DLOH-2C/R)

DHO-0710-X 24DC 20

DHO-0711-X 24DC

DHO-0713-X 24DC 20

DHO-07191-X 24DC

DHO-0750/2-X 24DC 20

DHRZO-P5-012/25 20

DHU-0610/A-X 24DC 20

DHU-0610/FI/NC-X 24DC 20

DHU-0610-X 24DC 20

DHU-0610-X 48DC 20

DHU-0611-X 24DC

DHU-0614/A-X 24DC 20

DHU-0614-X 24DC 20

DHU-06191-X 24DC 20

DHU-06194-X 24DC 20

DHU-0630/2/A-X 24DC

DHU-0630/2-X 24DC

DHU-0631/2/A-X 24DC

DHU-0631/2/FC-X 24DC 20

DHU-0631/2-X 24DC

DHU-0632/2/A-X 24DC 20

DHU-0632/2-X 24DC 20

DHU-0639/C-X 24DC 20

DHU-0671-X 24DC

DHU-0710/L1-X 24DC 20 DHU-0710-X 24DC

DHU-0711/WP-X 24DC 20

DHU-07119-X 24DC 20

DHU-0711-X 24DC

DHU-0713/1-X 24DC

DHU-0713/WP-X 24DC 20

DHU-0713P-X 24DC 20

DHU-0713-X 24DC

DHU-07149-X 24DC 20

DHU-0714-X 24DC

DHU-0718-X 24DC

DHU-0750/2/FI/NC-X 24DC 20

DHU-0750/2-X 24DC

DHU-0751/2-00 20 /WG DHU-0751/2P-X 24DC 20

DHU-0751/2-X 24DC

DHU-6751/2P-X 24DC

DKI-1610/A-X 24DC 24

DKI-1610-X 24DC

Our company mainly deals in European and American brands and can source brands from any European country. For example, our advantageous German brands include: BURKERT, DEMAG, HAWE, REXROTH, HYDAC, PILZ relays, FESTO, IFM sensors, E+H, HEIDENHAIN, P+F sensors, SICK, TURCK, and HIRSCHMANN industrial switches. German brands: Hengstler, Murr, Schmersal, Samson, EPRO (Emerson Group)

American brands: MOOG, ASCO, MAC, NUMATICS, PARKER, VICKERS, ROSS

British brands: Norgren

Italian brands: OMAL, ATOS, CAMOZZI, UNIVER, Camozzi