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AIR VALVE
111 SERIES Miniature air valve
The Electrodyne 111 series air valve is a low cost, miniature air valve. Its small size, weight and volume make it ideal for use in high density electronic packaging. It is designed to pass the leak rate requirements of MITI, provide high reliability and utilize very little power. Applications include blood pressure monitoring and security systems. Any of Electrodyne's family of air valves can be readily modified to fit any application. We invite your inquiries on the standard air valves or any other variations to fit your specific needs.
  • Driven directly from CMOS and TTL logic
  • High shock and vibration resistance
  • Low leak rate
  • Rotary dial monitoring devices
  • Low power requirements
  • Environmentally sealed

    Two Types Available

 
SPECIFICATIONS
MECHANICAL ELECTRICAL
Weight: 1.7 grams max. Must transfer voltage: 3.8 VDC
Enclosure: Plastic (94 V0/94-5V) Maximum Continuous Voltage: 6.2 VDC
Markings: Trade name, Cat. No. and Date code Minimum hold voltage: 1.0 VDC
Leakage: Closed position with an air volume of of 30 cu-in at 300 mmHg, pressure will remain constant within 1 mmHg over a five minute interval Drop our voltage (must open): 0.9 VDC
Fluids: Compressed air and inert gas
(recommended filtration: 25 micron filter)		 Operation time: 10 milliseconds max.
Operating pressure: 0-320 mmHg nominal, 15 psi max.
(leakage permissible at 15 psi without damage.)		 ENVIRONMENTAL
Temperature: -0°C to +50°C
Shock: 50G for 11 ms.

2-Way, Normally Open
The 111 Series air valve (N.O.) is the lowest power consumption air valve available. It utilizes a rotary balanced armature with a single coil to close the valve. Once the valve is closed the supplied power can be reduced to maintain the valve's position.

schematic
Model No. Nominal Voltage (VDC) Must Transfer Voltage (VDC) Minimum Hold Voltage (CDV) Coil Resistance (Ohms) Coil Transfer Power (mW) Coil Hold Power
1113085E 5 3.8 1.0 85 170 12
11130125E 6 4.6 2.0 125 170 12
11130300E 9 7.1 3.2 300 170 12
11130450E 12 9.0 4.3 450 170 12



2-Way, Normally Closed
The 111 Series air valve (N.C.) uses a magnetic circuit to hold the valve in the closed position. An electrical pulse is required to open the valve for air flow.

schematic
Model No. Nominal Voltage (VDC) Must Transfer Voltage (VDC) Minimum Hold Voltage (CDV) Coil Resistance (Ohms) Coil Transfer Power (mW) Coil Hold Power
1115085 5 3.8 1.0 85 170 **
11150125 6 4.6 2.0 125 170 **
11150300 9 7.1 3.2 300 170 **
11150450 12 9.0 4.3 450 170 **



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Last Updated:January 28, 1998
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