Diaphragm Operated Solenoid Valve
Diaphragm Operated Solenoid Valve Supplier in India
When it comes to managing the flow of gases and liquids in industrial applications, diaphragm operated solenoid valves are reliable and efficient. At Concorde Valves & Automations, we’re a leading India supplier of these components. Below is a quick guide to how they work, types, and key specifications.
Specifications of Diaphragm Operated Solenoid Valves
General specifications for our diaphragm solenoid valves at Concorde Valves & Automations:
| Valve Type | Diaphragm Operated Solenoid Valve |
| Operation Modes | Direct-Acting, Pilot-Operated |
| Materials | Stainless Steel, Brass, Nitrile Rubber (Diaphragm) |
| Size Range | 1/8" to 2" (DN 3 to DN 50) |
| Pressure Range | 0.5 to 16 bar |
| Temperature Range | -10°C to 80°C |
| Voltage Options | 12V DC, 24V DC, 110V AC, 230V AC |
| Flow Rate (Kv Value) | Up to 50 m³/h, depending on size and model |
| Connection Type | Threaded, Flanged |
| Seal Material | EPDM, PTFE, FKM |
| Response Time | 0.1 to 1 second, depending on size and type |
| Media | Air, Water, Oil, Steam, Gas |
| Compliance Standards | CE, RoHS, ISO 9001 |
What is a Solenoid Valve?
A solenoid valve is an electromechanical device that controls the flow of fluids or gases. It converts electrical energy into mechanical motion via a coil and plunger, which opens or closes the valve.
Understanding Diaphragm Operated Solenoid Valves
A diaphragm operated solenoid valve uses a flexible diaphragm to control flow. The diaphragm separates two chambers and moves with pressure changes to open or close, delivering smooth, reliable shut-off.
How Does a Diaphragm Solenoid Valve Work?
Two common operating types:
- Direct-Acting Diaphragm Solenoid Valve: The diaphragm is coupled to the plunger. Energizing the coil lifts the plunger and opens the valve. Best for low-flow/low-pressure applications.
- Pilot-Operated Diaphragm Type: A small pilot port creates a pressure differential across the diaphragm. Energizing the coil opens the pilot, moving the diaphragm to open or close the main port. Suited to larger flows and higher pressure. Common in 2/2 way designs.
Key Components of a Solenoid Diaphragm Valve
Core components include:
- Solenoid Coil: generates the magnetic field
- Plunger/Armature: moves in response to the field
- Diaphragm: flexible membrane that opens/closes the flow path
- Valve Body: ports and internal galleries
- Pilot Valve (pilot-operated only): controls the pressure differential
Benefits of Diaphragm Operated Solenoid Valves
Diaphragm operated solenoid valves offer:- Reliable operation with fewer moving parts
- Low power consumption (especially pilot-operated)
- Versatility across air, water, oil, steam, and gases
- Quick response for precise control
Applications of Diaphragm Operated Solenoid Valves
These valves are widely used in:- Water Treatment: dosing, distribution, filtration
- Oil & Gas: fuel, oil, gas lines in refineries
- HVAC: refrigerant and coolant circuits
- Food & Beverage: hygienic liquid control
- Medical Equipment: respiratory and anesthetic devices
Choosing the Right Solenoid Valve Diaphragm Kit
Use the correct solenoid valve diaphragm kit for maintenance. Concorde Valves & Automations offers compatible kits with high-quality diaphragms and seals to extend valve life and performance.