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Professional Nylon Coating Explosion Proof Limit Switch For Pneumatic Valve

Professional Nylon Coating Explosion Proof Limit Switch For Pneumatic Valve

Brand Name : AOX
Model Number : ASK-510N
Certification : CE,Ex
Place of Origin : Mainland, China
MOQ : 1pc
Payment Terms : T/T,L/C
Supply Ability : According to customer’s requirements
Delivery Time : Depends on QTY
Packaging Details : CTN/PLYWOOD CASE
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Explosion-proof mechanical valve position feedback limit switch box Pneumatic valve


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 NORM standard.

Hard aluminum alloy shell material, and the compact design of the limit switch box ensure to normal operation under extremely hard condition.

Main Technical Parameter





Exd II CT6

Enclosure IP67

O ring sealing


External coating

Epoxy polyester

Nylon coating

Ambient temperature



Electric connection




Wiring Terminal

8 terminals

Position indicator

Hemisphere 0°~90°

3 way L-type, T-type


Standard ASK-01,ASK-02

Switch sensor

2~SPDT mechanical switch

DPDT switch

Proximity sensor (P&F, AUTONICS)

Magnetic sensor

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 s

olenoid valve.

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 convenient.

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 fall off.

13 easy to install, stainless steel shaft and mounting brackets are in line with NAMUR standards.

14 anti-corrosion.

15 exterior coating: Polyester coating (black).

16 stent material can be selected SS304.

17 standard and explosion-proof type two.


- 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

Product Specifications

Protective waterproof

IP67 / NEMA 4x & 4X, IP68


-20 ℃ ~ + 80 ℃


2 × NPT1 / 2, PF 1/2 ", PT & frac12;", M20, PG13.5


8 Points (0.08-2.5mm2)

Off position indicato

ed; open: yellow


mechanical switch switch × 2, proximity switch sensor × 2

Outer coating

20 or 30 * 80 * 30 * 130 * 30

Mounting dimensions

standard axle (17mm), plus the long axis

General Drawing

Product View

Explosion-Proof Certificate

Product Tags:

valve limit switch


damper limit switch

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