Expo-Telektron Safety Systems Ltd - Expo Technologies

The contents of this drawing / document are Copyright © Expo Technologies Limited. They are to be treated as confidential and are returnable
upon request. They are not to be copied or communicated in part or in whole without written consent from Expo Technologies Limited, neither
are they to be used in any way against our interests.
UNSPECIFIED NO DEC PLACE ±0.5
TOLERANCES 1 DEC PLACE ±0.2
2 DEC PLACE ±0.1
FLATNESS TO BE LESS THAN 0.4mm OVER ANY 100mm LENGTH
DIMENSIONS IN mm
DO NOT SCALE
3rd ANGLE
PROJECTION
58 [2.3"]
ALARM/PRESSURIZED INDICATOR
36
PURGING INDICATOR
212 [8.3"]
Ex nA-NI OR I.S. ALARM SWITCH
CONNECTED TO ALARM/
PRESSURIZED SIGNAL OUTPUT (IS
OPTION ONLY)
[1.4"]
PURGE AIR INLET 1/2" NPT(F)
LEAKAGE COMPENSATION VALVE 31 [1.2"]
180 [7.1"]
103 [4.1"]
PRESSURE FLOW SENSORS
165 [6.5"]
87 [3.4"]
96 [3.8"]
59 [2.3"]
OFF
208 [8.2"]
182 [7.2"]
167 [6.6"]
ON
INTERNAL VIEW IS AND PO OPTIONS
PURGE CONTROL VALVE
4 HOLES Ø5
FOR REAR MOUNTING
SYSTEM BREATHER -
DO NOT OBSTRUCT
ALARM/ PRESSURIZED SIGNAL
OUTPUT AT SUPPLY PRESSURE
1/8"NPT(F)
37 [1.5"]
FLOW SENSING
1/8" NPT(F)
ENCLOSURE PRESSURE
1/8" NPT(F)
PURGE OUTLET
1/2" NPT(F)
NOTES:
MINI-Z-PURGE/ MINI-Y-PURGE MUST BE MOUNTED IN ONE OF THE
TWO ATTITUDES SHOWN. TOP / REAR MOUNT.
APPROX WEIGHT: 3Kg (6.6 POUNDS).
EACH SYSTEM IS SUPPLIED WITH TWO ORIFICE RESTRICT0RS TO
SUIT REQUIRED FLOW RATES.
IS OPTION SHOWN IN BROKEN LINE ( ).
1.
2.
3.
16.5 [0.6"]
35 [1.4"]
4.
= =
60 [2.4"]
5 OFF M4 MOUNTING HOLES
SCREWS & SEALOC WASHERS SUPPLIED
GASKET (NOT SHOWN) APPROX 2mm
THICK FITTED TO THIS SURFACE
= 110 [4.3"] =
SCALE
SURREY KT7 0RH
UNITED KINGDOM
Expo Technologies Limited
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