EX-FLOW instruments are thermal mass flow meters (MFM) and mass flow controllers (MFC) of rugged design that are suitable for gas flow applications in hazardous areas (MFM only). The intrinsically safe measuring head is tested according to ATEX 114 Directive 2014/34/EU and approved under EC-Type protection II 2 G Ex ib IIC T4 Gb. The housing of the electronics compartment is to IP65 classification. Control valves can either be integrally or separately mounted to measure and control gas flows (air-equivalent).
EX-FLOW Mass Flow Meter
EX-FLOW Mass Flow Controller
The EX-FLOW Mass Flow Controller has a control valve with fast and smooth control characteristics. The flow meter and valve should be connected (via separate cables) to a power supply with galvanic isolation / preamplifier / readout system (located in the safe zone) which contains a controller board to complete the control loop. The control valve receives its input from the controller board and immediately responds to any deviation between the output signal from the flow sensor and the setpoint signal.
Style “XB” = intrinsic safe coil; needs safety barrier.
protection II 1 G Ex ia IIC T6
protection II 1 D Ex ta IIIC T80°C
Style “XC” = moulded coil; no safety barrier required.
protection II 2 G Ex eb IIC T4
protection II 2 D Ex tb IIIC T130°C
Full Scale capacities (N2-equivalent) versus pressure rating
| PN 40 bar | PN 100 bar | PN 200 bar | PN 400 bar |
|---|---|---|---|
| F-110CX | 7.5 … 9.5 mln/min | F-120MX | 7.5 … 9.5 mln/min | F-130MX | 7.5 … 9.5 mln/min | |
| F-111BX | 0.015 … 20 ln/min | F-121MX | 0.015 … 20 ln/min | F-131MX | 0.015 … 20 ln/min | |
| F-111AX | 5 … 100 ln/min | F-121MX | 0.015 … 20 ln/min | F-131MX | 0.015 … 20 ln/min | |
| F-112AX | 40 … 250 ln/min | F-122MX | 15 … 250 ln/min | F-132MX | 15 … 250 ln/min | |
| F-113AX | 200 … 1250 ln/min | F-123MX | 200 … 1250 ln/min | F-133MX | 200 … 1250 ln/min | |
| F-106AX | 20 … 200 m3n/h | F-116AX | 20 … 200 m3n/h | F-126AX | 20 … 200 m3n/h | F-136AX | 20 … 200 m3n/h |
| F-106BX | 50 … 500 m3n/h | F-116BX | 50 … 375 m3n/h | F-126BX | 50 … 375 m3n/h | |
| F-106CX | 100 … 1000 m3n/h | |||
| F-106DX | 180 … 1800 m3n/h | |||
| F-106EX | 400 … 4000 m3n/h | |||
| F-106FX | 700 … 7000 m3n/h | |||
| F-106GX | 1100 … 11000 m3n/h | |||
| F-107AX | 20 … 200 m3n/h | |||
| F-107BX | 50 … 500 m3n/h | |||
| F-107CX | 100 … 1000 m3n/h | |||
| F-107DX | 180 … 1800 m3n/h |
Full Scale capacities (N2-equivalent) versus pressure rating
| PN 64 bar | PN 100 bar | PN 400 bar |
|---|---|---|
| F-200CX | 9.5 … 9.5 mln/min | F-210CX | 9.5 … 9.5 mln/min | F-230MX | 10 … 500 mln/min |
| F-201CX | 0.015 … 20 ln/min | F-211CX | 0.015 … 20 ln/min | F-231MX | 0.5 … 10 ln/min |
| F-201AX | 5 … 100 ln/min | F-211AX | 5 … 100 ln/min | F-231MX | 0.5 … 10 ln/min |
| F-202AX | 30 … 250 ln/min | F-212AX | 30 … 250 ln/min | F-232MX | 10 … 100 ln/min |
| F-203AX | 200 … 1250 ln/min | F-213AX | 200 … 1250 ln/min | |
| F-206AX | 20 … 200 m3n/h | F-216AX | 20 … 200 m3n/h | |
| F-206BX | 50 … 375 m3n/h | F-216BX | 50 … 375 m3n/h |
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