Research Article

Minimizing OHS Risks with Spherical Fuzzy Sets as a Verdict to Inventory Management: A Case Regarding Energy Companies

Table 7

Category I items under identified item groups.

Item groupsInventoried items

Calibration and maintenanceBATTERY BLOCK COVER
Steel fittingsBELLOW ST GEAR 2″
Steel fittingsBLIND FLANGE 3″ PN16
Steel fittingsBLIND FLANGE 4″ CLS300
Steel fittingsBLIND FLANGE 10″ CLASS600
Steel fittingsBLIND FLANGE 12″ PN16
Steel fittingsBLIND FLANGE 2″ ANSI 150
Steel fittingsBLIND FLANGE 2″ ANSI300
Steel fittingsBLIND FLANGE 6″ Cls150
Steel fittingsBLIND FLANGE 6″ PN16
Steel fittingsBLIND FLANGE 8″ PN16
Calibration and maintenanceCALIBRATION
Calibration and maintenanceCARBON FILTER MATERIAL 1 kg
Calibration and maintenanceCLOSED ENDED SIDE HOLE 35 cm PLASTIC PROBE FOR GROUND GAS LEAK DETECTION
Calibration and maintenanceCO SENSOR
Meter IDIAPHRAGM METER G10 DN40
Meter IDIAPHRAGM METER G16 DN40
Meter IDIAPHRAGM METER G25 DN50
Meter IDIAPHRAGM METER G6 DN25
Steel fittingsELBOW ST 11.25°12″ WPB 9.53 mm
Steel fittingsELBOW ST 22.50° 12″ WPB 9.53 mm
Steel fittingsELBOW ST 22.50° 16″ WPB 9.53 mm
Steel fittingsELBOW ST 45° 12″ WPB 9.53 mm
Steel fittingsELBOW ST 45° 4″ WPB 6.02 mm
Steel fittingsELBOW ST 45° 6″ WPB 7.11 mm
Steel fittingsELBOW ST 90° 16″ WPB 9.53 mm
Steel fittingsELBOWST 90° 12″ WPB 9.53 mm
Steel fittingsELBOWST 90° 6″ WPB 7.11 mm
Steel fittingsFLANGE FLAT OPEN 8″ CLS150
Steel fittingsFLANGE Neck 2″ ANSI300
Steel fittingsFLANGE Neck 4″ ANSI300
Steel fittingsFlange neck 16″  PN16
Steel fittingsFlange neck 6″  PN16
Steel fittingsFlange slip-ON 4″ ANSI150
Calibration and maintenanceFront cabin block
Calibration and maintenanceGas suction pump
Calibration and maintenanceHydrophobic filter-1 piece
Steel fittingsKEP ST 12″ WPB 9.53 mm
Steel fittingsKEP ST 16″ WPB 9.53 mm
Steel fittingsKEP ST 24″ WPHY52 9.53 mm
Steel fittingsKEP ST 4″ WPB 6.02 mm
Steel fittingsKEP ST 6″ WPB 7.11 mm
Steel fittingsKEP ST 8″ WPB 8.18 mm
Calibration and maintenanceLCD screen
Calibration and maintenanceLEL/gas sensor
Calibration and maintenanceMaintenance-repair cost
Calibration and maintenanceMetallic flexible block and rear cabinet combined kit
Calibration and maintenanceMotherboard
Calibration and maintenanceMotherboard PSU unit
Calibration and maintenancePowder pack 30
Calibration and maintenancePPM sensor
Calibration and maintenanceProtection sheath
Steel fittingsReduction 12″ × 8″ WPB 12.7 × 12.7 mm
Steel fittingsReduction ST 16″ × 12″  WPB 9.53 × 9.53 mm
Regulators and componentsRegulator 100 m3/h 2–4 bar/300 mbar
Regulators and componentsREGULATOR 25 m3/h 2–4 bar/21 mbar 180°
Regulators and componentsREGULATOR 50 m3/h 2–4 bar/21 mbar 180°
Regulators and componentsREGULATOR 75 m3/h 2–4 bar/21 mbar 180°
Regulators and componentsREGULATOR100 m3/h 2–4 bar/21 mbar
Regulators and componentsREGULATOR50 m3/h 2–4 bar/300 mbar
Regulators and componentsREGULATOR75 m3/h 2–4 bar/21 mbar
Meter IIRotary. G40 DN50ANSI150 1/160 Pmax 19, 3
Meter IIRotary. G100 DN80ANSI150 1/160 Pmax 19, 3
Meter IIRotary. G160 DN80ANSI150 1/160 Pmax 19, 3
Meter IIRotary. G250 DN100ANSI150 1/160 Pmax19, 3
Meter IIRotary. G400 DN150ANSI1501/160 Pmax19, 3
Meter IIRotary. G65 DN50ANSI150 1/160 Pmax 19, 3
Meter IIRotary. G650 DN150ANSI150 1/200 P19, 3 HF
SaddlesSADDLE 3-WAY COLLAR TYPE 12″ × 4″
SaddlesSADDLE 3-WAY COLLAR TYPE 16″ × 4″
SaddlesSADDLE 3-WAY N TYPE 12″ × 2″
SaddlesSADDLE 3-WAY N TYPE 16″ × 2″
SaddlesSADDLE 3-WAY N TYPE 6″ × 2″
SaddlesSADDLE 3-WAY N TYPE 8″ × 2″
SaddlesSADDLE 3-WAY SADDLE TYPE 4″ × 4″
SaddlesSADDLE 3-WAY SADDLE TYPE 6″ × 6″
SaddlesSADDLE 3-WAY SADDLE TYPE 8″ × 4″
SaddlesSADDLE 3-WAY SADDLE TYPE 8″ × 6″
SaddlesSADDLE 3-WAY SADDLE TYPEP 12″ × 8″
SaddlesSADDLE 3-WAY SPHERE TYPE 12″ × 12″
SaddlesSADDLE 3-WAY SPHERE TYPE 8″ × 4″
SaddlesSADDLE 3-WAY SPHERE TYPE 8″ × 8″
SaddlesSADDLE 3-WAY SPHERE TYPE 6″ × 4″
SaddlesSADDLE 3-WAY SPHERE TYPE 6″ × 6″
Calibration and maintenanceSILICA FILTER/CARBON FILTER BLOCK
Calibration and maintenanceSILICA GEL FILTER MATERIAL 1 kg
Calibration and maintenanceSTAINLESS STEEL OPEN-END 35 cm PROBE FOR HIGH TEMPERATURE GAS CONTROLS
Steel fittingsTEE EQUAL 6″ WPB 7.11 mm
Steel fittingsTEE INEGAL 12″ × 6″ WPB 9.53 × 7.11 mm
Steel fittingsTEE INEGAL 12″ × 8″ WPB 9.53 × 8.18 MM
Steel fittingsTEE INEGAL 6″ × 4″ WPB 7.11 × 6.02 mm
Steel fittingsTEE INEGAL 8″ × 4″ WPB 8.18 × 6.02 mm
Steel fittingsTEE INEGAL 12″ × 4″ WPB 9.53 × 6.02 mm
Steel fittingsWELDOLET 12′—½′  3000LB
Steel fittingsWELDOLET 12′—2′  3000LB
Steel fittingsWELDOLET 16′—2′  3000LB
Steel fittingsWELDOLET 18′—2′  3000LB
Steel fittingsWELDOLET 24′—2′  3000LB
Steel fittingsWELDOLET 4′—½′  3000LB
Steel fittingsWELDOLET 6′—½′  3000LB
Steel fittingsWELDOLET 6′—2′  3000LB
Steel fittingsWELDOLET 8′—½′  3000LB
Steel fittingsWELDOLET 8′—2′  3000LB