FOCUS-1

FOCUS-1 is the first smart meter valve specifically developed for the process industry 4.0. This multifunctional smart flow control instrument – developed by FOCUS-ON, a SAMSON and KROHNE company – combines sensors, actuator and control functionality in one device. By measuring flow, pressure and temperature simultaneously and regulating its valve function independently, all specified set points for control tasks such as pressure, flow or even external control variables can be accurately and reliably achieved. This makes FOCUS-1 the ideal smart control unit for processes that need to be controlled autonomously. It is equally suitable for greenfield projects as well as a drop-in replacement of conventional valves in existing brownfield applications.

FOCUS-1 provides extensive diagnostics. In addition to many device diagnostics, the module features “smart cavitation control” which enables it to identify, monitor and alarm different kinds of cavitation caused in a pipeline. This allows operators to carry out predictive maintenance measures, allowing them to avoid increased stress and wear of valve and piping ahead of time as well as to prevent unplanned downtime. Given its redundant flow measurement, FOCUS-1 can also detect possible wear of the valve seat and thus leaks.

Due to its advanced algorithms, the smart meter valve can also create a “digital twin”. This allows modelling the measured data in such a way that device function and operation can be maintained even in the event of a sensor failure. With the help of the digital twin, plant operators implement redundancy and thus permanently increase the reliability, safety and availability of their plant.

The combination of sensors, valve and controller with extensive diagnostic features translates into less engineering effort, reduced sourcing and installation costs, a more simple and compact measuring set-up as well as more efficient life cycle management and maintenance. This simplifies processes, reduces system complexity and sustainably reduces capital expenditure (CAPEX) and operational expense (OPEX).

Specifications

Depending on selected device configuration

General information

Product type Smart process node
Product family name FOCUS
Product positioning For flow and decentralised process control
Measurement variables Flow rate, Temperature, Pressure
Control element Linear globe control valve with pneumatic actuator
Measurement principle Flow: ultrasonic
Measured media Liquids
Ambient temperature

-25…+55°C / -13…+131°F

Nominal diameter / size DN50, DN80, DN100 / 2″, 3″, 4
Power supply (VAC)

85…250 VAC

Power supply (VDC)

18…32 VDC

Input signal (set point) 4…20 mA

Operating conditions

Process pressure

max. 36 barg / 522.1 psig

Process temperature -40…+180°C /
-40…+356°F

Materials

Measuring tube Austenitic stainless steel (1.4404/316L)
Sensors

Ultrasonic transducers for flow measurement: 1.4404 / 316
Pressure transmitter diaphragm: 1.4548 / 17-4PH
Pressure transmitter O-ring: Silicone

Control element

Valve body / Bonnet: 1.4408 / ASTM A351 Gr.CF8M
Valve stem: 1.4404 / 316L
Valve plug: 1.4409 / 316L (also available as stellited version)
Valve seat: 1.4404 / 316L (also available as stellited version)
Packing: PTFE/PTFE with carbon
Body gasket: PTFE/graphite with metal core

Process connection Austenitic stainless steel (1.4404/316L)

Process connections

Flange connections EN (1092-1): DN50, DN80, DN100
ASME (B 16.5): 2″, 3″, 4

Installation conditions

Inlet run 4D
Outlet run 0D

Approvals/Standards

Certificates/Approvals Ex ATEX, IECEx
NAMUR compliance NE 107, NE 21, NE 43, NE 53, NE 80

Communication

Analogue outputs 4…20 mA
Digital outputs HART®, PROFINET, Wi-Fi, Ethernet

Accuracy

Uncertainty (of set point) ≤±0.5%
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