Mechanical Pressure SwitchOverview
The Series 700 Pressure and Differential Pressure switches offer accurate, reliable switching in a robust cast enclosure.
- RANGES FROM 16 mBAR TO 600 BAR
- HIGH OVERLOAD RATINGS
- SIMPLE MAINTENANCE
- SAFETY VENT RING
These switches provide excellent repeatability and long in-service life, under both continuous cycling and overload conditions, due to the mechanical restriction of diaphragm travel.
A standard feature of the design is the inclusion of a venting and isolation chamber which (in the unlikely event of the process diaphragm failure) will prevent the process entering the switching enclosure.
The setpoint of the switch is adjusted by means of a capstan head screw, located within the lower section of the enclosure.
With over 40 pressure and DP ranges and a wide selection of output switches, diaphragm and pressure chamber materials, and process connections (including flanges), Series 700 switches meet the requirements of a wide range of applications.
In addition HNL can offer many non-standard options or customise this product to meet your unique requirements.
HNL’s Series 700 switches can provide many years of maintenance free operation. All models are serviceable and spares, including diaphragm kits and output switch kits are readily available.
Drawings and technical data sheets are supplied as standard.
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