American ASCO SCG551A002MS solenoid valve in stock.

Brand

ASCO/USA

Flow Direction

Other

3C Valve Category

Industry

Application Areas

Medical & Health, Environmental Protection, Food/Agricultural Products, Chemical, Petroleum

The selection of ASCO CO-type solenoid valves should first follow four principles in order: safety, reliability, applicability, and economy. Secondly, it should be based on six aspects of the on-site working conditions (i.e., pipeline parameters, fluid parameters, pressure parameters, electrical parameters, actuation method, and special requirements).

ASCO Solenoid Valve Selection Criteria:

I. Selecting the Solenoid Valve Based on Pipeline Parameters: Nominal Diameter (DN), Connection Type

1. Determine the nominal diameter (DN) based on the on-site pipeline inner diameter or flow requirements.

2. For connection type, generally, >DN50 requires a flange connection; ≤DN50 can be freely selected according to user needs.

II. Selecting the Solenoid Valve Based on Fluid Parameters: Material, Temperature Group

1. Corrosive fluids: Corrosion-resistant solenoid valves and all-stainless steel are recommended; Ultra-clean edible fluids: Food-grade stainless steel solenoid valves are recommended.

2. High-Temperature Fluids: Choose solenoid valves manufactured with high-temperature resistant electrical and sealing materials, and select piston-type valves.

3. Fluid State: Fluids can be gaseous, liquid, or mixed. This distinction is especially important when ordering valves with a diameter greater than DN25.

4. Fluid Viscosity: Generally, any viscosity can be selected below 50 cSt. If it exceeds this value, a high-viscosity solenoid valve must be selected.

III. Selecting Solenoid Valves Based on Pressure Parameters: Principle and Structure

1. Nominal Pressure: This parameter has the same meaning as other general-purpose valves and is determined by the nominal pressure of the pipeline.

2. Working Pressure: If the working pressure is low, a direct-acting or step-direct-acting principle valve must be selected. For minimum working pressure differentials above 0.04 MPa, direct-acting, step-direct-acting, and pilot-operated valves can all be selected.

IV. Electrical Selection: Prioritize AC220V or DC24V voltage specifications for convenience.

V. Selection Based on Continuous Working Time: Normally Closed, Normally Open, or Continuously Energized

1. When the solenoid valve needs to be open for a long time, and the continuous time exceeds the closing time, a normally open type should be selected.

2. If the opening time is short or the opening and closing times are infrequent, a normally closed type should be selected.

3. However, for some safety protection applications, such as furnace and kiln flame monitoring, a normally open type cannot be selected; a continuously energized type should be chosen.

VI. Selection of Auxiliary Functions Based on Environmental Requirements: Explosion-proof, Check Valve, Manual Operation, Water-resistant Fog, Water Spray, Submersible

1. Explosive Atmospheres: Solenoid valves with the corresponding explosion-proof rating must be selected (our company currently offers: d II BT4, d II CT5, Ex m I/II T4).

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Our company mainly deals in European and American brands and can purchase 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