Todays deals on Solenoid Coil?

1 NEW BOSCH 0811-404-634 SOLENOID COIL VALVE H2-3 $2,725.00

Eaton/ Cutler Hammer Solenoid Coil SZD Style 9-1347-11 *New* $799.99

*NEW* Cutler Hammer Solenoid Coil Size D 9-941-45 *NEW* $399.99

MAGNATROL 35AF46W SOLENOID VALVE 1 1/2 NPT 120V COIL $325.00

Namco Solenoid & Coil SL-110/120/60-PUSH B-BASE-KK100EP12 NIB (7123) $320.00

Asco solenoid Coils 120 Volt $250.00

Parker #16F24C2164AAF 125psi Brass NBR 2W Pilot Diaphram Solenoid Valve wo coils $264.99

Sporlan Valve – ME42S2130LC – 1-5/8″ Solenoid Valve less coil $230.00

ADAMS RITE 31-0833-IP DUAL COIL SOLENOID ELECTRIC NEW $249.99

Lot of 12 Solenoid Valves Coils Skinner Alco Versa NOS $225.00

Schneider Contactor Solenoid Coil LX1FG380 NIB! $244.00

Denistron M591C21P.0921 Push-Pull Solenoid 22AWG Coil $229.00

ASCO RED-HAT MP-C-080 SOLENOID VALVE 272610-032-D COIL $240.00

VICKERS/DECCO 195054 SOLENOID VALVE COIL 230V ****NNB**** $229.00

NAMCO EB710 30000 COIL SOLENOID PULL TYPE 115V NNB $225.00

ASCO Red Hat II 1 inch Solenoid Valve 120 volt coil 8210G4 Water 5-150, $199.00

VICKERS SOLENOID COIL 879149 GE PN 1324-213 125VDC, NIB $175.00

ASCO EF8300D009U SOLENOID VALVE 120V COIL 3/8″ PIPE NIB $200.00

21 Danfoss 042N7520 Coil for Solenoid Valves $179.99

MAC VALVE 55B W/SOLENOID COIL $145.00

Magnatrol 1″ solenoid valve w/120VAC coil part# F118AV44G $175.00

ASCO EF8300D009U SOLENOID VALVE 120V COIL 3/8″ PIPE NNB $180.00

VICKERS/DECCO 195054 SOLENOID VALVE COIL 230V ****XLNT**** $179.00

New Allen Bradley 860-EOD106 AC Solenoid Coil Push-Pull Size 4 $180.00

Asco 8210G103 2″ Solenoid Valve(no coil), Normally Closed $180.00

ASCO MP-C-080 3 WAY SOLENOID VALVE 238610-032-D COIL $170.00

ROSS/DECCO 123B04/169K33 SOLENOID COIL ****XLNT**** $159.00

Asco solenoid Coils (6 Assorted Part numbers) $120.00

LOT ASCO RED-HAT SOLENOID COIL REBUILD KIT REPAIR VALVE $149.00

Asco Red-Hat Solenoid Valve Coil 103-833-1-D NEW $153.85

NEW ASCO 8342C21 DUAL COIL SOLENOID VALVE 1/4″ 120V NIB $149.99

1800gf Force Actuator Linear Motion Solenoid Coil DC22V $160.04

NEW EMERSON 211CA 3/4B3/4B COMPLETE SOLENOID VALVE 3/4″FPT 120V COIL AMG R0743 $149.00

ASCO RED-HAT USF8262C2P OPEN-FRAME SOLENOID 110-120V COIL 1/8 PIPE 6WATTS NEW! $124.99

Stearns no. 4 and k4 coil kit 6 44 1156 09 NIP, Solenoid Valve coil $150.00

1 NEW NAMCO EB201-73244 SOLENOID COIL N2-3 $149.99

Asco Red-Hat Solenoid Valve Coil 103-832-1-D NEW $147.48

MAGNATROL A14S SOLENOID VALVE COIL 120V 60HZ $155.00

1800gf Force Actuator Linear Motion Solenoid Coil DC22V $149.51

1800gf Force Actuator Linear Motion Solenoid Coil DC22V $147.96

1800gf Force Actuator Linear Motion Solenoid Coil DC22V $147.61

NEW VAL08391 FACTORY SPECIFIED PART SOLENOID COIL $127.49

Sperry Vickers OG4V-3-2N-UH-11-S300 Solenoid Valve, 464481 Coils, 24V,Hydraulics $142.20

Duplomatic MD1 P4-S10/30 Solenoid Valve w/ 11-4000 Coils, 24 VDC, Hydraulics $142.20

Duplomatic MD1 P4-RK Solenoid Valve w/ 11-4000 Coils, 24 VDC, Hydraulics $142.20

Aron Oleodinamica AD.06.211.D Solenoid Valve w/24 VDC Coils, Hydraulics $142.20

Burkert 450474C 290-A-1-F-BR Solenoid Valve, Coil H Connt, 1053-S001-031-00 $139.99

NIB Dayton 2 Way Brass Solenoid Valve 1A578 with Coil 6X543 $125.00

10 NIB ASCO SOLENOID VALVE COIL 103-833-6D $119.00

NAMCO EB200 30843 PULL TYPE SOLENOID COIL 110V 1/2″ STROKE NEW CONDITION IN BOX $125.00

STEARNS 6-4-42306-09 FACTORY SOLENOID COIL 208-230/460VAC NOS CONDITION $125.00

DETROIT COIL 17-1167-115V60HZ SOLENOID 85-30221-32 NSN: 5945-00-982-7034 $130.00

ASCO SOLENOID VALVE COIL MODEL # 101-899-2-0 NIB *LOT* $129.90

ASCO MP-C-082 SOLENOID COIL 238810-058D NEW $125.00

GE CR9500A102A4A PULL TYPE SOLENOID COIL ASSEMBLY 460V 1″ STROKE NEW IN BOX $120.00

New ASCO Solenoid Valve Replacement Coil 224195007D $127.49

ASCO RED-HAT MP-C-080 SOLENOID VALVE 238210-901D COIL $120.00

NAMCO EB200 30843 PULL TYPE SOLENOID COIL 110V 1/2″ STROKE NEW CONDITION NO BOX $115.00

NEW ASCO 103-832-1-D SOLENOID VALVE COIL 120 VOLT $120.00

MAC 57B-11-111CA Valve With Solenoid Coil 150/60-110/50-24VDC $119.99

GENERAL ELECTRIC 22D13G2A FACTORY SOLENOID COIL 230/250VDC NEW CONDITION NO BOX $110.00

ASCO 106R Solenoid Valve Coil $99.99

8 EACH AMG SOLENOID COIL PCN: 025864 $100.00

1 NEW GENERAL ELECTRIC 3022081 SOLENOID COIL Q4-2 $100.00

PARKER RK1C1 COIL SOLENOID 12VDC 10 WATT, SKU 9108722736 $100.00

Namco EB200-30843 Solenoid Coil 110V 50/60Hz (S42C) $99.99

5 NIB PARKER SOLENOID COIL 201410 24V $89.00

PARKER 697212 120V/60 110V/50 NEW!! QUANTITY! SOLENOID COIL $68.95

1 GENERAL ELECTRIC CR9500 C107BM2A SOLENOID COIL Q9-1 $89.99

4 NIB DAYTON SOLENOID COIL 6X543 120VAC 6″ LEADS $89.00

FESTO SOLENOID MAGNETIC CONTROL VALVE & COIL COMBO MFH-5-PK-3 & MSFG-24/42-50/60 $100.00

New Asco Solenoid Valve Coil 238612-032 110/120V 50/60Hz MP-C-086 $100.00

ELECTRICAL SOLENOID PNEUMATIC N0C111C2 24 V COIL 7131KBN2JV00 PARKER SKINNER NEW $99.99

Humphrey 4-way Solenoid with 12 VDC Coil – Lot of 4 $90.00

ASCO MRC 120 / 60110 SOLENOID VALVE COIL $99.95

2 PARKER SOLENOID VALVE 697212 COIL 120/110 60/50 NEW LOT 0F 2 (1 PAIR) $99.80

Skinner Parker Solenoid Valve Molded Coil A-B718-S24 12/60 $89.00

NOS! ASCO SWITCH SOLENOID VALVE COIL P/N 27-478-3-D $89.95

Hydraforce Solenoid Coil 2 Way Valve SV10-20M-4P-N-24AP $93.50

Skinner Parker Solenoid Coil CV5-LBDR-F24 1/3 CCB NEW $89.99

ASCO 96-817-1-D Solenoid Valve Coil $79.99

RACINE MODEL 405622 SOLENOID COIL 115V 60HZ NIB!!! $85.00

ASCO VALVES 96-817-1-D REPLACEMENT SOLENOID VALVE COIL 110/120V NOS CONDITION $85.00

ALCO 214CB SOLENOID VALVE 214CB-3/8-B-3/8-B W/COIL NEW $78.00

Hydronorma WZ65-4-L Solenoid Coil 90VA/550VA NEW $79.99

DEMA 442P Solenoid Valve Coil LOT $85.00

48VDC coil solenoid relay White-Rodgers/RBM 124-120111 $89.00

NOS! ASCO SWITCH SOLENOID VALVE COIL P/N 27-478-3 $79.95

DAYTON SOLENOID COIL, MODEL 6X543, NEW, INDIVIDUALLY BOXED, LOT OF 11 $75.00

Asco / Red-Hat Model: 8342G1 Coil 4-Way Solenoid Valve $76.00

Namco EB201-72025 Solenoid Valve Coil NEW $74.99

New Asco Coil Number 099216-001-D Solenoid Valve Replacement Coil $80.00

Lot of 9 WATTS REGULATOR SOLENOID VALVE BMS-1 With 120 Vac coils $68.99

LOT OF 6 ASCO SOLENOID VALVE COIL 204-945-1-D, 120/60, 110/50 $80.00

ASCO MP-C-080 SOLENOID COIL 238710-106D $80.00

Schrader Bellows Parker Solenoid Coil 74304-8015 *NIB* $79.99

460/60 Vickers Solenoid # 833199 coil 9-943INT 13 lbf $79.95

DC 220V 152W Open Frame Electric Actuator Solenoid Coil $78.64

DC 220V 152W Open Frame Electric Actuator Solenoid Coil $77.86

DC 220V 152W Open Frame Electric Actuator Solenoid Coil $77.84

Solenoid Coil Questions

Solenoid valve Information

A solenoid valve is an electromechanical valve for use with liquid or gas. The valve is controlled by an electric current through a solenoid coil. Solenoid valves may have two or more ports: in the case of a two-port valve the flow is switched on or off; in the case of a three-port valve, the outflow is switched between the two outlet ports. Multiple solenoid valves can be placed together on a manifold.

Solenoid valves are the most frequently used control elements in fluidics. Their tasks are to shut off, release, dose, distribute or mix fluids. They are found in many application areas. Solenoids offer fast and safe switching, high reliability, long service life, good medium compatibility of the materials used, low control power and compact design.

Besides the plunger-type actuator which is used most frequently, pivoted-armature actuators and rocker actuators are also used.

Working principle
A solenoid valve has two main parts: the solenoid and the valve. The solenoid converts electrical energy into mechanical energy which, in turn, opens or closes the valve mechanically. A direct acting valve has only a small flow circuit, shown within section E of this diagram (this section is mentioned below as a pilot valve). This diaphragm piloted valve multiplies this small flow by using it to control the flow through a much larger orifice.

Solenoid valves may use metal seals or rubber seals, and may also have electrical interfaces to allow for easy control. A spring may be used to hold the valve opened or closed while the valve is not activated.

The diagram to the right shows the design of a basic valve. At the top figure is the valve in its closed state. The water under pressure enters at A. B is an elastic diaphragm and above it is a weak spring pushing it down. The function of this spring is irrelevant for now as the valve would stay closed even without it. The diaphragm has a pinhole through its center which allows a very small amount of water to flow through it. This water fills the cavity C on the other side of the diaphragm so that pressure is equal on both sides of the diaphragm. While the pressure is the same on both sides of the diaphragm, the force is greater on the upper side which forces the valve shut against the incoming pressure. In the figure, the surface being acted upon is greater on the upper side which results in greater force. On the upper side the pressure is acting on the entire surface of the diaphragm while on the lower side it is only acting on the incoming pipe. This results in the valve being securely shut to any flow and, the greater the input pressure, the greater the shutting force will be.

In the previous configuration the small conduit D was blocked by a pin which is the armature of the solenoid E and which is pushed down by a spring. If the solenoid is activated by drawing the pin upwards via magnetic force from the solenoid current, the water in chamber C will flow through this conduit D to the output side of the valve. The pressure in chamber C will drop and the incoming pressure will lift the diaphragm thus opening the main valve. Water now flows directly from A to F.

When the solenoid is again deactivated and the conduit D is closed again, the spring needs very little force to push the diaphragm down again and the main valve closes. In practice there is often no separate spring, the elastomer diaphragm is moulded so that it functions as its own spring, preferring to be in the closed shape.

From this explanation it can be seen that this type of valve relies on a differential of pressure between input and output as the pressure at the input must always be greater than the pressure at the output for it to work. Should the pressure at the output, for any reason, rise above that of the input then the valve would open regardless of the state of the solenoid and pilot valve.

In some solenoid valves the solenoid acts directly on the main valve. Others use a small, complete solenoid valve, known as a pilot, to actuate a larger valve. While the second type is actually a solenoid valve combined with a pneumatically actuated valve, they are sold and packaged as a single unit referred to as a solenoid valve. Piloted valves require much less power to control, but they are noticeably slower. Piloted solenoids usually need full power at all times to open and stay open, where a direct acting solenoid may only need full power for a short period of time to open it, and only low power to hold it.

Common uses
Solenoid valves are used in fluid power pneumatic and hydraulic systems, to control cylinders, fluid power motors or larger industrial valves. Automatic irrigation sprinkler systems also use solenoid valves with an automatic controller. Domestic washing machines and dishwashers use solenoid valves to control water entry to the machine. In the paintball industry, solenoid valves are usually referred to simply as “solenoids.” They are commonly used to control a larger valve used to control the propellant (usually compressed air or CO2). In the industry, “solenoid” may also refer to an electromechanical solenoid commonly used to actuate a sear.

Besides controlling the flow of air and fluids solenoid valve is used in pharmacology experiments, especially for patch-clamp, which can control the application of agonist or antagonist.

About the Author

Ningbo Lida Pneumatic Complete Sets Co.,Ltd. specializing pneumatic components,solenoid valve,air cylinder & pneumatic fittings that these are inexpensive.It has with more than 15years.

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