Explosion-proof Pneumatic valve position feedback limit switch box
ASK Series Limit Switch Box, transmit the actuator and valve
position signal to the remote operation station on site. Mounted on
the actuator directly, and the mounting bracket comply to NAMUR
Hard aluminum alloy shell material, and the compact design of the
limit switch box ensure to normal operation under extremely hard
Main Technical Parameter
Exd II CT6
O ring sealing
3 way L-type, T-type
2~SPDT mechanical switch
Proximity sensor (P&F, AUTONICS)
Valve position transmitter
A three-dimensional position indicator to clearly show the location
of the valve.
2 die-cast aluminum housing, powder coating, compact design looks,
reducing packaging volume valve, reliable
3 -wire interface Dual 1/2 NPT pipe interface.
4 signal feedback device.
5 Switch position indicator can be clearly identified.
6 connected to the circuit board inside multiple contact 8 contact
wiring board in line with the standard micro-switch, DPDT switch
selectable, proximity switches, magnetic switches can be connected
to the optional solenoid
7 "Quick Position" cam; ITS-100 limit switch adjustable cam splined
and spring installation; switch cam position
can be quickly adjusted without tools.
8 with the PCB replace the wiring to prevent short circuits.
9 Ambient temperature: -25 ~ 85 ℃, protection class: IP67, optional
IP68, explosion-proof grade: ExdII BT6, Eexd
IICT6, compliance with EN50014 / 50018 standard.
10 pairs of wiring ports, standard contacts, wiring safe and
11 There are four kinds of bracket is easy to install bracket
according to NAMUR standard, ISO5211 standard
stents, any rotation of the actuator can be easily installed by.
12 anti-off bolts, bolts removably attached to the cover when not
13 easy to install, stainless steel shaft and mounting brackets are
in line with NAMUR standards.
15 exterior coating: Polyester coating (black).
16 stent material can be selected SS304.
17 standard and explosion-proof type two.