mechanical valve position feedback limit switch box for waterproof
APL~210N position limit switch is a signal device for the remote
control of valve, show the working condition of valve by the
switch, it contains mechanical switch and proximity switch, and
widely applies to
petroleum, chemical industry, pharmacy, food, electricity, coal
gas, pro~environment, metallurgy and paper making etc.
- The switch is installed separately, convenient maintenance and
- Firm and compact design,
- Quick cam machine,
Fix springs on the cam without tools
- Convenient installation,
NAMUR standard stainless steel and frame
Reasonable design for frame connecting hole, convenient
Main Technical Parameter
Mechanical switch: ×2
Proximity switch: ×2
Red, green, blue, yellow,
Shell--The shell is made of aluminium alloy, with anodic oxidation
treatment and polyester powder coating. It is
strong corrosion-resisting and enclosure IP67,NEMA 4 and 6, IP68 is
Fully enclosed squirrel-cage asynchronous motor, small, large
torque, and small inertia force, F-class insulation
rating, with termal protection to avoid damaging.
Manual Structure--The design of handle is safe,reliable,labor~saving,small.If power
failure, operated by handle.
Indicator--Install indicator in the center shaft and adopts convex mirror
design, no cumulate water, more convenient to observe.
Space heater--It is used for controlling temperature to avoid condensing internal
of housing and keep dry.
Well sealing performance and enclosure IP67,IP68 is optional.
Limit switch--Mechanical, electronic double limit. Mechanical limit stopper are
adjustable, safe and reliable; electronic limit switch is
controlled by cam, Set position accurately and conveniently, and
not affected by excessive handle.
Self-locking--Accurate worm and worm gear transfer large torque efficiently, high
efficiency, low noise (Max. 50dB), long life,
with self-locking, prevent inversion, as stable and reliable
transmission parts, no need to refuel.
The bolt attached to the shell and be not off when remove the
The installation size meets international standard ISO5211/DIN3337
Controlling circuit meets the single~phase or three~phase power
supply standard, circuit layout is reasonable and
compact, terminals meet various of additional functional
- Switch alone installation, maintenance and easy to replace
- Rugged compact design
Die-cast aluminum body
- Fast Set cam mechanism
Spring fixed cam
Set without tools
Look no further adjustments after initial setup
- Easy to install
NAMUR standard stainless steel shaft and bracket.
Bracket hole reasonable design, easy installation