Pneumatic Valves
Air Filter Regulator Lubricator
What Is an Electric Solenoid Valve?An electric solenoid valve is a device that uses electrical energy to control the flow of liquids or gases. It works automatically and is ideal for systems requiring remote or timed control.
How It Works (Simplified)Coil Activation
When electricity flows through the solenoid coil, it creates a magnetic field.
Magnetic Movement
This magnetic field pulls or pushes a plunger (iron core), which opens or closes the valve.
Flow Control
Valve Open → Fluid or gas flows.
Valve Closed → Flow stops.
Key Features of Modern 2-Way Solenoid ValvesFast response time
High reliability
Long service life
Compact, space-saving design
Electrically Actuated: Uses an electromagnetic coil to open or close the valve.
Compact Design: Suitable for tight spaces and small systems.
Fast Response Time: Opens and closes quickly for precise flow control.
Low Power Consumption: Ideal for battery-operated or low-energy applications.
Various Configurations: Available in normally closed (NC) or normally open (NO) types.
Type & Function
Valve Type: 2 Port, 2 Position (2/2)
Operation: Normally Closed – opens when energized
Application: Controls pilot valves, diaphragm valves, or small cylinders; alternates between pressurizing and exhausting.
Voltage Options
DC: 12V, 24V
AC: 24V / 110V / 220V (50/60Hz)
Design & Material
Body Material: Aluminium or Brass
Working Pressure Range: 7–145 psi (0.5–10 bar)
A direct-acting 2-port, 2-position (2/2) solenoid valve designed to shut off flow in systems handling: Water; Air and neutral gases; Vapor; Light oils (e.g., gas oil)
Voltage Options: DC: 12V, 24V; AC: 24V / 110V / 220V (50/60Hz)
Operates without minimum differential pressure
Construction & Materials
Body: Brass; Internal Parts: Stainless Steel; Seal Material: FPM (Viton®)
Working Pressure
| Model | Pressure Range |
|---|---|
| 2W Series | 0–98 psi |
| 2WH Series | 0–280 psi |
A direct-acting 2/2-way solenoid valve designed for fast and sensitive switching. Its lightweight, compact structure makes it ideal for space-constrained applications.
Function: Normally Closed – opens when energized
Voltage Options:
DC: 12V, 24V; AC: 24V / 110V / 220V (50/60Hz)
Body: Nylon 66 – lightweight and durable
Seal: Viton® – compatible with a wide range of fluids
Coil Insulation: Class B heat resistance
Pressure Range: 0–100 psi (0–7 bar)
The water solenoid valve is an electro-coil controlled valve which is commonly employed to control the flow of water, hot water and steam. There are various water solenoid valve types, but the main variants are either pilot operated or direct acting.
The PU220 is a 2-port, 2-position (2/2-way) solenoid valve available in:
Normally Closed (NC) – remains closed until energized
Normally Open (NO) – remains open until energized
Voltage Options:
DC: 12V, 24V
AC: 24V / 110V / 220V (50/60Hz)
Coil Protection: IP65 waterproof rating
Seal Material: Viton® – chemical resistant, high-temperature performance
Optional Models: NC / NO configuration
Range: 0–140 psi (0–10 bar)
The VX2120/30 is a normally closed 2/2-way solenoid valve known for:
Fast and sensitive switching
Lightweight, compact design
Easy installation and removal
Also available in Normally Open (NO) configuration.
Voltage Options:
DC: 12V, 24V
AC: 24V / 110V / 220V (50/60Hz)
Body: Brass
Seal Options: NBR: -5°C to 80°C Viton®: -5°C to 150°C
Equivalent to: SMC VX2120 / VX2130 series
Range: 0–140 psi (0–10 bar)
The PU225 is a pilot-operated 2/2-way solenoid valve, available in:
Normally Closed (NC): Stays closed until power is applied
Response time: 20–50 ms
Normally Open (NO): Stays open until power is applied
Voltage Options:
DC: 12V, 24V
AC: 24V / 110V / 220V (50/60Hz)
Valve Body: Brass
Seal Options: NBR: -5°C to 80°C；Viton®: -5°C to 150°C
Range: 0–140 psi (0–10 bar)
A widely used direct-acting solenoid valve, available in:
Normally Closed (NC): Closes when de-energized
Normally Open (NO): Opens when de-energized
Features fast, sensitive switching for reliable performance in various systems.
Voltage Options:
DC: 12V, 24V
AC: 24V / 110V / 220V (50/60Hz)
Coil Protection: IP65 or IP67 available
Body Materials: Brass, Stainless Steel, Copper
Seal Options: NBR: -5°C to 80°C； Viton®: -5°C to 150°C
Working Pressure: 0–140 psi (0–10 bar)
Stainless Steel Solenoid Valve: is an electrically controlled valve designed to regulate the flow of water using a solenoid (electromagnetic coil). Stainless steel construction makes it ideal for corrosive, high-pressure, and high-temperature applications.
A robust direct-acting solenoid valve available in:
Normally Closed (NC) or Normally Open (NO) configurations
Ideal for corrosive environments thanks to its stainless steel construction
Voltage Options
DC: 12V, 24V
AC: 24V / 110V / 220V (50/60Hz)
Coil Protection: IP65 or IP67 waterproof rating
Body: Stainless Steel
Seal Options: NBR: -5°C to 80°C; Viton®: -5°C to 150°C
Working Pressure: 0–140 psi (0–10 bar)
Available in Normally Closed (NC) or Normally Open (NO) types
Optimized for corrosive environments with durable stainless steel construction
Ideal for systems requiring flange connection over threaded ports
DC: 12V / 24V
AC: 24V / 110V / 220V (50/60Hz)
Coil Protection Rating: IP65 / IP67 (waterproof)
Valve Body: Stainless Steel
Seal Options:
NBR: -5°C to 80°C; Viton®: -5°C to 150°C
Working Pressure: 0–140 psi (0–10 bar)
The US-S Series is a 2-way, piston-actuated solenoid valve specifically designed for steam, hot water, and air applications.
It features a PTFE (Teflon) sealing element, offering high durability and resistance to elevated temperatures.
Ideal for boiled water, steam lines, and high-temp air systems
Working Pressure: 0–140 psi (0–10 bar)
Working Temperature: -5°C to 180°C
Seal Material: PTFE (suitable for aggressive thermal media)
Actuation Type: Piston-piloted
Function: 2/2-Way, Normally Closed
A steam solenoid valve is an electrically operated valve designed to control the flow of steam in industrial and commercial applications. These valves must be built to withstand high temperatures, pressures, and potential corrosion caused by steam.
The US-S Series is a direct-acting, 2-way solenoid valve designed to control steam, hot water, and high-temperature air in demanding environments. Engineered with a piston-actuated mechanism and PTFE seals, it delivers durable and reliable performance in elevated temperature and pressure conditions.
Electrical Options
AC220V / AC110V; DC24V / DC12V
Operating Temperature:
• Standard: -5°C to 180°C; High-temp models: up to 200°C
Working Pressure:
• Typical range: 0.1–1.5 MPa
It’s a electric magnetic coil controlled 2 way valve with brass or stainless steel valve body be used for on/off (open or closed) operation and for diverting control of high pressure liquid and gas media automation systems. High pressure solenoid valve applications include refineries, water supplying, processing systems, offshore oil and gas rigs, petrochemical systems.
Available in multiple voltages to meet different system requirements:
AC220V, AC110V, 24VDC, 12VDC
Operating Temperature
Standard range: -5°C to 180°C
High-temp models rated up to 200°C
Working Pressure
Typical range: 0.3–5.0 MPa
Maximum rated pressure: Please check the Spec sheet.
Available in various orifice sizes and corresponding Cv values
Designed to accommodate a wide range of flow rate requirements
It’s combination of a 2/2 war electric solenoid valve, a timer, and ball valve embedded valve module.
* Elctric Solenoid Valve: used to control the drain pipe opening or closing through the electric signal.
* Timer: automatically control the opening and closing of the valve at predetermined intervals.
* Ball valve: Used to Control the drain pipe manually.
* Strainer: Filtrate the impurity in the water to avoid blocking the solenoid valve.
* Normally, the solenoid valve is direct acting model, with the rapid response and hihg reliability.
Core Components
Timer: Adjustable time interval for drain cycles
2-Way Solenoid Valve: Provides automatic opening/closing for discharge
Strainer: Prevents clogging by filtering debris
Ball Valve: Manual shut-off for maintenance or emergency
Electrical OptionsAC220V, AC110V, 24VDC, 12VDC
Temperature Range: –5°C to +70°C
Working Pressure: 0.1 – 1.6 MPa
Available in 1/4″, 3/8″, and 1/2″
Thread Types: G (BSP) or NPT
 Feature | Pilot Operated Valves |  Direct Acting Valves |
|---|---|---|
| Minimum Pressure Differential Required | Yes (a minimum pressure is required to operate) | No (can operate at zero pressure) |
| Response Time | Slightly slower due to pressure-assisted operation | Faster, as coil force directly actuates diaphragm |
| Flow Capacity | Excellent for large flow applications | Suitable for lower to medium flow |
| Power Consumption | Lower — system pressure assists diaphragm movement | Higher — requires stronger coil force |
| Construction Size | Generally more compact due to smaller coil | Larger coil needed; increases overall size |
| Cost Efficiency | More economical for higher flow and pressure | Less cost-effective at higher flow/pressure |
| Energy Efficiency | More energy-efficient, lower coil power | Lower energy efficiency (stronger coil needed) |
| Actuation Method | Pilot: coil actuates a pilot, system pressure opens main diaphragm | Coil directly actuates diaphragm |
| Working Pressure Range | Suited for higher pressure systems | Can handle vacuum (-14.7 psig) to high pressure |
| Debris Tolerance | Not ideal for particles or dirty media | Better suited to cope with particulate matter |
| Mounting Orientation | Flexible | Coil must be mounted vertically upward |
| Available Versions | Mostly 2/2-way valves | 2/2 and 3/2-way, normally open or closed |
| Reliability in Operation | Good, but depends on system pressure stability | More reliable, independent of pressure changes |
| Market Adoption | Widely used by engineers for large systems | Preferred for precision and vacuum control |
