Plug Valves Solenoid Valves
Last Updated: April 1, 2025
Description
Plug valves solenoid valves are devices designed to control the flow of fluids or gases. They achieve this by using a solenoid, which is an electromagnet, to actuate the valve mechanism, allowing for precise control over the opening and closing of the valve.
Working Principle
Solenoid valves operate by using an electric current to generate a magnetic field, which moves an iron plunger within the coil. This movement either opens or closes the valve, depending on the design. The solenoid's ability to quickly actuate the valve makes it useful for applications requiring rapid response times. The compact size and fail-safe design, where the valve can be normally open or normally closed, add to their utility in various systems .
Applications
Solenoid valves are widely used in industries such as refrigeration, where they control the flow of refrigerants, and in automatic faucets for controlling water flow. They are also prevalent in central heating systems to regulate heated water flow, in automatic irrigation systems, and in air and fluid control systems. In pharmacology, they are used in experiments requiring precise fluid control .
Advantages over other Solenoid Valves
Solenoid valves are preferred over motorized ball valves in applications requiring fast operation. While motorized ball valves have a cycle time of 5 to 6 seconds, direct-acting solenoid valves can operate in approximately 30 to 40 milliseconds, making them ideal for applications like pH control where speed is crucial. Additionally, solenoid valves are inherently fail-safe, unlike motorized ball valves, which require additional components to achieve a fail-safe design .
Limitations
Solenoid valves have limitations such as restricted media flow and a tendency to clog, which can lead to inconsistent operation. The diaphragm used in many solenoid valves has a small pilot hole that can become obstructed, reducing flow and causing erratic operation. These valves are also not practical for large systems due to their size and power requirements .
Considerations
When considering solenoid valves, factors such as initial costs, operating expenses, and maintenance should be evaluated. Solenoid valves are generally compact and lightweight, which can reduce initial installation costs. However, their limited flow capacity and potential for clogging may lead to higher maintenance costs over time. The durability and accuracy of solenoid valves are generally high, but their performance can be affected by the specific design and application requirements .
from Radwell International
DISCONTINUED BY MANUFACTURER, PLUG-IN PROPORTIONAL AMPLIFIER, FOR PROPOTIONAL VALVES, WITHOUT ELECTRICAL FEEDBACK, 1 OUTPUT STAGE, 2.5 AMP SOLENOID, 0811405144. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
SOLENOID VALVE, L22 SERIES, 1/4" PORTS, DOUBLE AIR PILOT CAP, 3 POSITION, 4-WAY CLOSED CENTER, LINE MOUNTED, DIN PLUG-IN AC SOLENOID OR AIR PILOT OR HANDLEVER, NPTF, NO VOLTAGE (AIR PILOT/HAND LEVER). FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Pilot; Plug
from Radwell International
SOLENOID VALVE, L22 SERIES, 3/8" PORTS, DOUBLE AIR PILOT CAP, 3 POSITION, 4-WAY CLOSED CENTER, LINE MOUNTED, DIN PLUG-IN AC SOLENOID OR AIR PILOT OR HANDLEVER, NPTF, NO VOLTAGE (AIR PILOT/HAND LEVER). FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Pilot; Plug
from Radwell International
DISCONTINUED BY MANUFACTURER, CONTROL VALVE, DIRECTIONAL, DOUBLE SOLENOID, WET PIN, NITRILE SEAL, 110-120 VAC, 50/60 HZ, LEADWIRE CONDUIT BOX, MANAPLUG WITH LIGHTS (MINI). FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
SOLENOID VALVE, VQ1000 SERIES, PLUG-IN UNIT, 2 POSITION SINGLE, RUBBER SEAL, 24 VDC COIL, NON-LOCKING PUSH MANUAL OVERRIDE (TOOL REQUIRED), REPLACES: VQ1101N-5. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
SOLENOID VALVE, 5 PORT,PLUG IN VALVE, VQ1000 SERIES, BASE MOUNTED, NEW STYLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
- Number of Ports: 5
from Radwell International
SOLENOID - OPERATED AIR CONTROL VALVE, BASE MOUNTED, 5 PORT PLUG IN VALVE, 4 POSITION. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
- Number of Ports: 5
from Radwell International
VALVE, PLUG IN, 5 PORT, BASE MOUNTED, 3 CLOSED CENTER POSITION, DOUBLE SOLENOID, 24VDC, 4-WAY, AIR/INTER GAS, NON-LOCKING PUCH, MANUAL OPERATION. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
- Media: Gas
- Number of Ports: 5
from Radwell International
SOLENOID VALVE, AIR PILOT ACTUATED, SERIES 501, 11 MM, RUBBER PACKED, FLUSH NON-LOCKING OVERRIDE, DUAL 3-WAY, 14 NORMALLY CLOSED - 12 NORMALLY CLOSED, NO PORT SIZE, PLUG-IN, WITH LIGHT, STANDARD (NO OPTIONS), 24 V DC. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Pilot; Plug
from Radwell International
SOLENOID VALVE, 4 POSITION/DUAL 3 PORT, 0.15-0.7 MPA, PLUG IN, 24 VDC, ROHS COMPLIANT. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
- Number of Ports: 3
from Radwell International
DISCONTINUED BY MANUFACTURER, PRESSURE REGULATOR / SANDWICH, PR92C SERIES, KNOB, 0 TO 30 PSI, DOUBLE SOLENOID, WITH AIR PILOT ADJUST, FOR PLUG-IN VALVES. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Pilot; Plug
from Radwell International
DIRECTIONAL CONTROL VALVE, D03 SIZE, 13.2 GPM, 5075 PSI, 3 POSITION & 4 WAY, SPRING CENTERED, ALL PORTS OPEN, DOUBLE SOLENOID, 24VDC COILS, DIN PLUG STYLE, BUNA SEALS, MOUNT = 10-24, DESIGN # 31. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DIRECTIONAL CONTROL VALVE W/ INDICATOR LIGHT & SURGELESS, D03 SIZE, 22.4 GPM, 5075 PSI, 2 POSITION & 4 WAY, SPRING OFFSET, P TO A, B TO T, CLOSED TRANSITION, SINGLE SOLENOID AT PORT A, 24VDC COIL, DIN PLUG STYLE, BUNA SEALS, DESIGN # 30. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DIRECTIONAL CONTROL VALVE, D03 SIZE, 13.2 GPM, 5075 PSI, 3 POSITION & 4 WAY, SPRING CENTERED, P TO T OPEN, A & B BLOCKED, SEMI OPEN TRANSITION, DOUBLE SOLENOID, 24VDC COILS, DIN PLUG STYLE, BUNA SEALS, MOUNT = 10-24, DESIGN # 31. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
SOLENOID OPERATED DIRECTIONAL CONTROL VALVE, D03 SIZE, MAX FLOW = 20 GPM (76 LPM), MAX PRESSURE = 5000 PSI (350 BAR), 2 POSITON & 4 WAY, SINGLE SOLENOID, SPRING OFFSET, ALL PORTS BLOCKED, VITON SEALS, WASH DOWN STYLE, 24 VDC COIL (DIN STYLE), DIN PLUGS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
SOLENOID OPERATED DIRECTIONAL CONTROL VALVE, D03 SIZE, MAX FLOW = 20 GPM (76 LPM), MAX PRESSURE = 5000 PSI (350 BAR), 3 POSITION & 4 WAY, SPRING CENTERED, ALL PORTS BLOCKED, DOUBLE SOLENOID, 24 VDC COILS, DIN PLUG STYLE, BUNA SEALS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
SOLENOID OPERATED DIRECTIONAL CONTROL VALVE, D03 SIZE, MAX FLOW = 20 GPM (76 LPM), MAX PRESSURE = 5000 PSI (350 BAR), 3 POSITON & 4 WAY, DOUBLE SOLENOID, A & B OPEN TO T, P BLOCKED, 24 VDC COILS (DIN PLUG STYLE), VITON SEALS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DIRECTIONAL CONTROL VALVE, D03 SIZE, MAX FLOW = 20 GPM, MAX PRESSURE = 5000 PSI, 2 POSITION & 4 WAY, ALL PORTS OPEN, SPRING CENTERED, SINGLE SOLENOID, 24 VDC COIL, DIN PLUG STYLE CONNECTOR, VITON SEALS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DIRECTIONAL CONTROL VALVE, D05 SIZE, MODEL # 4WE10J5X/EW120N9K4/M, MAX FLOW = 32 GPM (120 LPM), MAX PRESSURE = 5000 PSI (350 BAR), 3 POSITION & 4 WAY, SPRING CENTERED, A & B OPEN TO T, P BLOCKED, DOUBLE SOLENOID, 120 VAC COILS, DIN PLUG STYLE, BUNA SEALS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DIRECT OPERATED CONTROL VALVE, SOLENOID ACTUATED, DOUBLE OPERATOR, 120 LPM / 32.0 GPM MAX FLOW, 4600 PSI MAX PRESSURE, 3 POSITION, 4 WAY, SPRING CENTERED, A & B OPEN TO T, P BLOCKED, BUNA SEALS (STD), 24 VDC COILS, DIN PLUG STYLE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
SOLENOID OPERATED DIRECTIONAL CONTROL VALVE, D03 SIZE, MAX FLOW = 20 GPM, MAX PRESSURE = 5000 PSI, P TO T OPEN, A & B BLOCKED, 24 VDC COILS, DIN PLUG STYLE CONNECTORS, BUNA SEALS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DISCONTINUED BY MANUFACTURER, HYDRAULIC POPPET VALVE, SOLENOID ACTUATED, DIRECTIONAL CONTROL, 3 PORT, NORMALLY CLOSED, AC TO DC COIL, PLUG-IN CONNECTOR. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug; Poppet
- Media: Hydraulic
- Number of Ports: 3
from Radwell International
SOLENOID COIL, PLUG-IN, 21 W, 110-120 V AC, 50/60 HZ, DIRECTIONAL CONTROL VALVE FUNCTION, REPLACES 1860423-21-Y. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DIRECTIONAL CONTROL VALVE, D05 SIZE, 42.2 GPM, 5075 PSI, 3 POSITION & 4 WAY, SPRING CENTERED, ALL PORTS BLOCKED, DOUBLE SOLENOID, 24VDC COILS, DIN PLUG STYLE, BUNA SEALS, MOUNT = 10-24, DESIGN # 21. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug
from Radwell International
DIRECTIONAL CONTROL VALVE, D05 SIZE, 18.4 GPM, 3625 PSI, 3 POSITION & 4 WAY, SPRING CENTERED, P TO T OPEN, A & B BLOCKED, SEMI OPEN TRANSITION, DOUBLE SOLENOID, 110VAC COILS, DIN PLUG STYLE, BUNA SEALS, MOUNT = 10-24, DESIGN # 21. FREE 2 YEAR RADWELL WARRANTY [See More]
- Valve Type: Plug