Instrumentation
Orifice Plates for Flow Transmitter

An orifice plate is a constriction device used in combination with a differential pressure transmitter to measure flow rate. Our orifice plates are designed according to JIS Z8762-1995 (ISO 5167-1: 1991).

Orifice plate with carrier ring <FVA>

Orifice plate with carrier ring
Type Corner taps
Fluid Liquid, vapor, gas
Pipe diameter 25–300…1000 mm
DP outlet R1/2, JIS flange, welded type
Material SUS304, SUS316, PVC
Ring material SS400, SF440A, SUS304, SUS316, PVC
Flange ANSI 150, 300, 400 Lb

Orifice plate without carrier ring <FVB>

Orifice plate without carrier ring <FVB>
Type D and D/2 taps
Fluid Liquid, vapor, gas
Pipe diameter 150–750…1500 mm
Structure with tab handle
Material SUS304, SUS316, SS400
Flange ANSI 150, 300, 400, 600 Lb

Orifice plate with flange tapping <FVC>

Orifice plate with flange tapping <FVC>
Type with flange taps
Fluid Liquid, vapor, gas
Pipe diameter 25–400…750 mm
DP outlet Rc1/2
Material SUS304, SUS316
Flange material SF440A, SUS304, SUS316
Flange ANSI 150, 300, 400, 600, *900 LB RF
*900, *1500 LB RJ
*Non-standard

Single-part orifice plate <FVE>

Single-part orifice plate <FVE>
Type Corner taps
Fluid Liquid, vapor, gas
Pipe diameter 25–300…1000 mm
DP outlet Tip size R1/2
Material SUS304, SUS316, SCM415
DP outlet material SUS304, SUS316, STPA
Flange ANSI 400, 600, 900 Lb

Pressure Transmitters

FCX-AIII Series transmitters
FCX-AIII Series Transmitters

Long-term stable measurement of pressure or differential pressure (flow rate)

Equalizing Valve, Oval Flange (FFN, FFP)
Equalizing Valve, Oval Flange <FFN, FFP>

For the use with differential pressure transmitters

  • # 16 Mpa or 42 Mpa
  • # With pressure tube
Orifice Plates
Orifice Plates

Designed according to JIS standards

Related information

Gas Analyzers
Ultrasonic Flowmeters
Temperature Controllers
Pressure Transmitters
Level Transmitters
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