7-16
7-8 KOSHA Flameproof
1. Marking information
Ex d IIC T6 -30°C < T
amb
< +75°C
2. Special conditions for safe use
Caution
- The gap between the shaft for magnetic pass and the pneumatic module body has
0.065 mm max.
- The terminal cover has at least 7.5 engaged threads.
- The gap between the pneumatic module body and the housing has 0.13 mm max.
- The electronic cover has at least 6.8 engaged threads.
- The gap between the housing and the feedback sensor has 0.11 mm max.
- The gap between the flame arrestor and the pneumatic module body has
0.145 mm max.
- The gap between the sensor housing and the outside sleeve has 0.07 mm max.
- The gap between the rotary shaft and the inside sleeve has 0.07 mm max.
- The screws used to assemble the pneumatic body to the Ex d housing shall be of
class A2-70 or A4-70.
3. Instruction for safe use
Caution
3.1
Do not open when an explosive atmosphere is present.
3.2
Use supply wires suitable for 5°C above surrounding ambient.
3.3
When Model No. is given with AVP7xx-xyx-x ... ,
if y=N, P, U, C, the thread type of the end of all entries is 1/2NPT, or
if y=M, the thread type of the end of all entries is M20.
3.4
Cables glands or conduit sealing devices used must be certified for the
protection mentioned above in item 1.
3.5
Unused openings must be closed with a blanking element certified for the
protection mentioned above in item 1.
3.6
If thread adapters are used these must be certified for the protection
mentioned Above in item 1.
Per entry not more than one thread adapter may be used.
3.7
This equipment shall be mounted in such a manner that it is not been heated
by the process medium.
3.8
The cable connection of external grounding terminal shall be used with a cable
lug.
*See the section 2-3-3 for the connection.
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