Series 800 is equipped with a chamber and is designed for mounting external to the process vessel. When used with isolation valves, it allow the switch to be isolated from the process [which is helpful during start-up or when system checks or maintenance are scheduled].All series 800 flanged sealed chambers are offered with 1 inch npt [f] or socket weld process connections as standard with optional screwed, socket weld, butt weld or flanged connections available.
Specific gravities: 0.40 and higher
Pressure ratings: 275.0 bar at 40° c/40.0 bar at 250°c
Applications
For liquid level alarm or liquid level control
Specification
Mounting external chamber on side
Of tank [vertical]
Sp. Gravity 0.4 and above, others on
Request [special notes]
Pressure/temp. Rating 275 bar at 40 deg. C or
40 bar at 250 deg. C,
Others on request
Process conn flanged, socket weld
Or screwed
Connection type side/side or top/bottom
Chamber material cs, ss 304/316, other
Materials on request
Displacer material ss 316, other materials
On request
Switch housing die cast aluminum [lm6]
Type of micro switch
1spdt, 2spdt[equal to 1dpdt] with silver or gold
Plated contact
Hermetically sealed switches for highly corrosive or highly explosive area
Enclosure protection
Weather proof to ip -65/66
Explosion proof to gr. Iia & iib as per is 2148
Explosion proof to gr. Iic as per is 2148
