Pneumatic valve mechanical valve position feedback limit switch box Explosion-proof
Summary:
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
|
Item |
Standard |
Option |
|
Shell |
Exd II CT6 Enclosure IP67 O ring sealing |
IP68 |
|
External coating |
Epoxy polyester |
Nylon coating |
|
Ambient temperature |
-20~80 |
-40~80 |
|
Electric connection |
2×NPT3/4” |
PF3/4” M25*1.5 |
|
Wiring Terminal |
8 terminals |
|
|
Position indicator |
Hemisphere 0°~90° |
3 way L-type, T-type |
|
Bracket |
Standard ASK-01,ASK-02 |
|
|
Switch sensor |
2~SPDT mechanical switch |
DPDT switch Proximity sensor (P&F, AUTONICS) Magnetic sensor Valve position transmitter |
Advantage
- 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 |
|
Environment |
-20 ~ + 80 |
|
Terminal |
2 × NPT1 / 2, PF 1/2 ", PT & frac12;", M20, PG13.5 |
|
Terminal |
8 Points (0.08-2.5mm2) |
|
Off position indicato |
ed; open: yellow |
|
Switch |
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
