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Sondes IRIS

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Sonde_Tube_IRIS_TUX_XS_03.psd

Les sondes IRIS sont bien adaptées pour les inspections des tubes du secteur de la pétrochimie et des parties classiques des centrales nucléaires. Ils utilisent un faisceau ultrasonore pour inspecter la surface interne du tube à structure hélicoïdale, ce qui permet de s'assurer que toute la longueur de le tube est inspectée. Les sondes IRIS, qui fonctionnent en mode par réflexion, servent à mesurer l'épaisseur des parois, les pertes de matériau et l'orientation des défauts sur des tubes de 0,5 po à 3 po de diamètre interne.

Composants de sondes IRIS
Accessoires des sondes IRIS

Various components are necessary to "build" an IRIS probe. The components are interchangeable and must be chosen according to the tube dimensions.

To build an IRIS probe, the following components are necessary:

Turbine head (TUA)
Ultrasound transducer (TUB)
Centering device (TUC)
Probe cable (TUD).

TUA -Turbine heads

Sonde_Tube_IRIS_TUA-170.psd

IRIS turbines are propelled by water pressure to make them rotate at approximately 40 r/s. They include a 45° angled mirror that deflects the ultrasonic beam towards the tube wall.

Part Number	Item Number	Description
TUA-120	U8780157	12 mm (0.47 in.) IRIS turbine
TUA-170	U8780158	17 mm (0.67 in.) IRIS turbine

TUB - Ultrasound transducers

Sonde_Tube_IRIS_TUB-254_01.psd

IRIS transducers are focused immersion transducers with an external diameter of 3/8 in. (9.53 mm) and an element diameter of 1/4 in. (6.35 mm). They are available in 3 different central frequencies and 2 focal lengths.

Part Number	Item Number	Description
TUB-254-10M	U8280001	1.0 in. (25.4 mm) focal length, 10 MHz
TUB-254-15M	U8280002	1.0 in. (25.4 mm) focal length, 15 MHz
TUB-254-20M	U8280003	1.0 in. (25.4 mm) focal length, 20 MHz
TUB-381-10M	U8280004	1.5 in. (38.1 mm) focal length, 10 MHz
TUB-381-15M	U8280005	1.5 in. (38.1 mm) focal length, 15 MHz
TUB-381-20M	U8280024	1.5 in. (38.1 mm) focal length, 20 MHz

TUC - Centering devices

Sonde_Tube_IRIS_TUX_XS_03.psd

Part Number	Item Number	Description	Extent (Tube ID)
TUC-XS	U8780162	Extra-small IRIS centering device	0.45 in. to 0.71 in. (11.4 mm to 18.0 mm)
TUC-SM	U8780161	Small IRIS centering device	0.71 in. to 1.0 in. (18.0 mm to 25.4 mm)
TUC-MD	U8780160	Medium IRIS centering device. The TUC-MD comes with an additional flexible rod that can be used in the centering device for boiler bend applications. See "IRIS-FLEXROD" accessory description on page 35.	0.96 in. to 1.65 in. (24.4 mm to 41.9 mm)
TUC-LG	U8780159	Large IRIS centering device. The TUC-LG comes with an additional flexible rod that can be used in the centering device for boiler bend applications. See "IRIS-FLEXROD" accessory description on page 35.	1.5 in. to 3.0 in. (38.1 mm to 76.2 mm)
TUC-MD-FLEX	U8280250	Medium IRIS centering device mounted on flexible rod.
TUC-LG-FLEX	U8280251	Large IRIS centering device mounted on flexible rod.

TUD - Probe cables

Sonde_Tube_IRIS_TUD-N_01.psd

IRIS probe cables have two functions: they supply the water pressure required by the turbine; and they carry the ultrasonic signal with the use of a small coaxial cable. The coaxial cable has a Microdot connector on the probe end and a BNC connector on the instrument / pump end. The water is supplied by the pump through a quick-connect 1/8 in. brass fitting.

Part Number	Item Number	Description
TUD-N20	U8800530	IRIS probe cable, 20 m (65 ft)
TUD-N30	U8800532	IRIS probe cable, 30 m (100 ft)
TUD-BNC	U8800529	BNC to BNC signal cable, 3.7 m (12 ft)
TUD-LEM	U8800511	BNC to LEMO signal cable, 3.0 m (10 ft)

Part Number	Item Number	Description	Comments / Specifications
IRIS-FLEXROD	U8780156	Flexible rod for centering devices TUC-MD and TUC-LG	45° maximum bend angle between rods. One IRIS-FLEXROD comes with the TUC-LG centering device.
IRIS-FLOOD	U8780145	IRIS flood tube adaptor	For 3/4 in. (19.05 mm) and 1 in. (25.4 mm) OD tubes
IRIS-FILTER	U8780144	Water filter unit and hose	Comes with one 1/2 in. hose, 25 ft length with 3/4 in. brass fittings
IRIS-WP110	U8780146	Water pump, submersible, 110 V, 60 Hz	Dimensions (L × ∅): 63,5 cm × 10 cm (25 in. × 4 in.) Weight: 12.8 kg (28 lb) Comes with one 1/2 in. hose, 25 ft length with 3/4 in. brass fittings
IRIS-WP220	U8780147	Water pump, submersible, 220 V, 50 Hz	Dimensions (L × ∅): 84 cm x 8 cm (33 in. × 3 in.) Weight: 6 kg (13 lb) Comes with one 1/2 in. hose, 25 ft length with 3/4 in. brass fittings