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Current Location: vtovalve >> Products >> Accessories >> Limit Switch >> ALS400PP22 Limit Switch Box, ALS400PP22 Series Valve Monitor
ALS400PP22 Limit Switch Box, ALS400PP22 Series Valve Monitor
Product Name
Limit Switch Box, Valve Monitor
Model No.
ALS400PP22
Overview
The ALS400PP22 Limit Switch Box (Valve Monitor) is a rotary position indication device suited for HAZARDOUS area (Exd II CT6, Exia II CT6). Armed with inductive sensors, this device can sense valve positions (on/off) for remote PLC or PC indication. The visual indicator on the top of the device can also clearly display the valve position for local detection.
Approved
Specifications And Technical Data
| Enclosure | Die-casting aluminum: O-ring sealed |
| Coating | Dichromate conversion with polyester powder coating |
| O-rings | Buna N |
| Environment | NEMA 4, 4X, 7, 8, IP66 |
| Area Classification | Class I Div 1&2 Groups A,B,C and D, Ex d II CT6, Ex II 2G Ex d II CT6, Exia II CT6 |
| Fasteners | Stainless steel |
| Shaft | Stainless steel Namur |
| Conduit Entries | Two 1/2" BSPP |
| Also available with two 1/2" NPT, 3/4" NPT, 3/4" BSPP or M20-1.5 | |
| Terminal Strip Contacts | 8 |
| Mounting Bracket | MB - 3.4: 30 x 80, 130 H : 20, 30 (Carbon steel) |
| Temperature Rating | -20℃ ~ 85℃ |
| Sensor: 2 ALPS Inductive Sensors (3 wire) | ||
| Model No. | PP22 |  |
| Operating Voltage | 8 VDC, <=1mA | |
| Operating Temp. | -25℃~+85℃ | |
| Area Classification | Exia II CT6 | |
Wiring Diagram
Drawing and Dimension
- Valve Automation
- • Hydraulic Valves
- • Pneumatic Valves
- Actuators
- • Hydraulic Actuators
- • Pneumatic Actuators
- • Electric Actuators
- Valves
- • Ball Valves
- • Butterfly Valves
- • Gate Valves
- • Globe Valves
- • Check Valves
- • Control Valves
- • Plug Valves
- • Solenoid Valves
- • Diaphragm Valves
- • Pinch Valves
- • Angle Seat Valves
- • PVC Valves
- • Safety Valves / Relief Valves
- • Special Valves
- Accessories
- • Manual Override
- • Positioners
- • Limit Switch
- • Solenoid Valves
- • Air Preparation Unit
- • Connectors ┆ Adapters
- Valve Fittings
- • Flanges
- • Ball
- • Valve Stem
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