Cast Iron Chamber Water Level Control- Series 123
Heavy Duty, snap action type
Designed for boiler applications, the Model 123 is used primarily for low water cut-off or feed-water control. Other uses include condensate tanks, deaerators etc. A special snap action mechanism eliminates frequent operation due to surging water level. Visible operation ads convenience in servicing. Stainless steel trim and had reset are available if required.
PHYSICAL DATA.
| Maximum Temperature: | 365°F |
|---|---|
| Maximum Pressure: | 150 PSIG |
| Electrical Rating: | APDT mercury switch rated 4A @ 120V., 2A @ 240 V., AC or DC |
| Wiring Connections: | 3 screw type |
| Housing: | General purpose NEMA 1. |
| Float Chamber: | Cast iron, not for use with lethal or flammable substances, either liquid or gaseous |
| Packing Gland: | Brass |
| Float Material: | 304 SS |
| Weight: | 20 lbs. |
| Packing: | Special non-asbestos, graphite/lead packing |
SUGGESTED SPECIFICATIONS
Level control shall be side mounted type with cast iron chamber. Float shall operate switching mechanism by direct mechanical linkage. Mechanism shall be snap action type. Deadband shall be approximately 1 1/8 inch. Control shall be Mercoid No. 123-153.