PSA2200X Pressure Switch for Liquid Level Control
The PSA2200X is an explosion-proof pressure switch for liquid level control, with high set-point repeatability and adjustable dead band. The set point is easily adjusted without special tools.
Explosion proof · IP68Liquid level controlTemperature: −30 to 205°C
Features
- Diaphragm pressure element with SS316 wetted parts.
- Painted die-cast aluminium-alloy housing; SS316 available with type B1.
- One SPDT microswitch.
- Adjustable dead band.
- Maximum proof pressure: 500 psi.
- ½ inch detecting pipe, 0.2–5 m long.
- Selectable or fixed level-control functions.
Technical specifications
- Microswitch rating
- 20 A at 125/250 V; 5 A at 125 VDC.
- Process connections
- G1 (1 inch BSP) male; ½ inch NPT female; ¼ inch NPT female; ½ inch BSP female; ¼ inch BSP female; ½ inch PT female; ¼ inch PT female; M20 × P1.5 female.
- Conduit connections
- Female ¾ inch NPT, ½ inch NPT, or M20 × P1.5. ½ inch NPT is standard.
- Dimensions
- 145 mm wide, 108 mm deep, 196.5 mm overall height for type A. See the original drawings for mounting dimensions and other explosion types.
- Housing enclosure
- Explosion-proof type; IP68 (not UL certified).
- Temperature
- −30 to 205°C.
- Wetted parts
- SS316 (code A).
- Patents
- M295332; M334932; China: 920135.
- Japan EX certificate references
- CML 17JPN1016X; CML 17JPN3024.
Explosion-proof type / housing
| Code | Certification / housing | Classification |
|---|---|---|
| A | FM — housing only / aluminium alloy | Class I, Groups A, B, C & D; Class II, Groups E, F & G; Class III; NEMA 4X. Certificate on housing only. |
| B | Taiwan certification / aluminium alloy | Ex d IIB + H2 T6 Gb. |
| B1 | Taiwan certification / SS316 | Ex d IIB + H2 T6 Gb. |
| E | IECEx / aluminium alloy | Ex db IIB + H2 T6 Gb; Ex tb IIIC T85°C Db. |
| X | ATEX / aluminium alloy | II 2 G D Ex db IIB + H2 T6 Gb; II 2 G D Ex tb IIIC T85°C Db. |
| J | Japan certification / aluminium alloy | Ex d IIB + H2 T6 Gb; Ex t IIIC T85°C Db. |
| R | EACEx / aluminium alloy | 1Ex d IIB + H2 T6 Gb X; Ex tb IIIC T85°C Db. |
| U | UL certification / aluminium alloy | Class I, Groups A, B, C & D; Class II, Groups E, F & G. |
Level settings and dead band
A — Select type
| Code | Actuate ON (mm) | Deactivate OFF (mm) | Dead band |
|---|---|---|---|
| E | 150 | 50 | ±5 |
| F | 200 | 50 | ±5 |
| A | 380 | 50 | ±5 |
| B | 550 | 50 | ±5 |
| C | 760 | 60 | ±5 |
Knob position D is unavailable.
B — Fixed type
| Code | Actuate ON (mm) | Deactivate OFF (mm) | Dead band |
|---|---|---|---|
| G | 60 | 40 | ±5 |
| H | 80 | 50 | ±5 |
| I | 130 | 80 | ±5 |
Mounting and installation
Install away from agitators and liquid inlets or outlets. Do not install on a pressurised tank.
Configure your PSA2200X
Select the ordering options and add your application details. Sightflow will confirm the final specification. Fields marked * are required.