Loss of Vacuum and High Vacuum switches, for use with Chlorine gas under vacuum. For monitoring of the systems vacuum condition.
Loss of Vacuum Switch
Loss of Vacuum: switch is designed to provide one normally open and one Normally closed alarm contact in the presence of a loss of vacuum. It should be mounted Vertically as close to the Ejector as practical and -after the gas rate valve. The alarm point is adjustable between 28 and 29 Inches of Mercury to allow the switch to actuate at the Required vacuum.
| Contacts rated at | 5 A @ 250 Vac or 28 Vdc maximum, (Resistive Load), |
| Enclosure | NEMA 4X. |
| Dimensions | 102 mm W x 94 mm D x 145 mm H. |
| Weight | 2 kg. |
BM5987, High Vacuum switch is designed to provide one normally open and one normally closed alarm contact in the presence of a high vacuum level. It should be mounted Vertically as close to the Vacuum Regulator as practical and before the gas rate valve. The alarm point is adjustable between 2 and s: Inches of Mercury to allow the switch to actuate at the required vacuum.
| Contacts rated at | 5 A @ 250 Vac or 28 Vdc maximum, (Resistive Load) |
| Enclosure | NEMA 4X. |
| Dimensions | 102 mm W x 94 mm D x 145 mm H. |
| Weight | 2 kg. |
| ITEM | QTY | Description |
|---|---|---|
| 1 | 1 | ADJUSTMENT PLUG |
| 2 | 1 | O-RING |
| 3 | 1 | HOUSING BCDY |
| 4 | 1 | SPRING |
| 5 | 2 | SCREW, 6-32 X 3/8 LG BD HD |
| 6 | 1 | SPRING ADAPTOR |
| 7 | 1 | LOWER DIAPHRAGM PIN |
| 8 | 2 | DIAPHRAGM |
| 9 | 1 | DIAPHRAGM SPACER |
| 10 | 1 | UPPER DIAPHRAGM PIN |
| 11 | 1 | DIAPHRAGM SEAL |
| 12 | 1 | ENCLOSURE |
| 13 | 2 | SCREW, 10-24 X 3/8 LG RD HD |
| 14 | 2 | SCREW, 2 -56 X 1/2 LG RD HD |
| 15 | 1 | MICROSWITCH |
| 16 | 1 | LEVER ASSEMBLY |
| 17 | 2 | NUT, 10-24 |
| 18 | 2 | SCREW, 10- 24 X 1/2 LG RD HD |
| 19 | 1 | MOUNTING BRACKET |
| 20 | 1 | TUBING CONNECTOR, 1/4 X 3/8 X 90' |
| 21 | 1 | SCREW, 2-56 X 3/16 LG RD HD |
| Item | Part Number | |
|---|---|---|
| Low Vacuum | High Vacuum | |
| 4 | R-5589 | R-5588 |
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