Installation, Operation and Maintenance Manual
September 2019
MAN720_IMVS2000v2_IOM Rev. 6
General Safety Instructions
U.S.
Class I Division 1 Groups B, C, D; T4
Class II, Groups E, F, and G; Class III
Class I Zone1 AEx db ia IIC T4 Gb
Zone 21 AEx tb IIIC T135 Db
Integrated Monitoring Valve System, Model IMVS2000v2,
Ambient temperature range -40°C to +75°C, Type 4, 4X, 6, IP66/68
IMVS2000v2 Integrated Monitoring Valve System with optional local indicator
Class I Division 1 Groups C, D; T4
Class II, Groups E, F, and G; Class III
Class I Zone1 AEx db ia IIB T4 Gb
Zone 21 AEx tb IIIC T135 Db
Integrated Monitoring Valve System, Model IMVS2000v2 with optional local indicator,
Ambient temperature range -40 °C to +75 °C, Type 4, 4X, 6, IP66/68
Conditions of Acceptability
1. The flameproof joints are not intended to be repaired but where necessary the
original manufacturer shall be contacted for guidance and information on the
dimensions of the flameproof joints.
2. The user shall be aware that all external fasteners on which the flameproof
enclosure depends are stainless steel socket head cap screws class A4 -grade 70.
3. Equipment is only to be installed by manufacturer trained personnel.
4. The scope of this approval does not include any safety related function,
performance or reliability of the equipment.
5. If at any time there is a conflict between the system safety provisions and any
relevant local (national Or regional) requirements, the local requirements always
take precedence.
Process Pressure Limitation for explosive uids
The IMVS2000v2 has a pressure limitation for explosive fluids of 180 barg. This limitation
is applicable only if the explosive fluid is in direct contact with the pressure sensors of the
IMVS2000v2. If the fluid used for supplying the actuator and consequently in contact with
the pressure sensors of the IMVS2000v2 is not explosive, the pressure limitation is 345 barg.
5
Section 2: General Safety Instructions
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