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The Retractex C is a manual or pneumatic retractable armature designed for applications in the chemical industry with process pressures up to 16 bar. It is made from a variety of steel and plastic wetted materials.

The compact design with a stroke of only 36 mm keeps wear on seals to a minimum and creates excellent reliability – day and night, all year long. It can be cleaned easily and thoroughly in place, including the space between the socket and rinsing chamber. It is designed for 225 mm long sensors with 12 mm shaft diameter and is equipped with several safety features (e.g. no sensor – no insertion, window to check seals for leakage etc.) to provide operator safety. It is available with various process connections and sealing materials.

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General Specifications

(For full specifications see the ordering information section below)

Specifications
Wetted parts Stainless Steel (1.4404 or 2.4602)

PVDF, PEEK, or PP;
EPDM, FKM or FFKM
Pressure Range (bar g) 0 to 16 bar (< 120 °C), 10 bar (120 to 140 °C)
Operating Temperature Range -10 – 140 °C
For Sensors with 12 mm; PG13,5; 225 mm
Surface Quality of Steel Ra < 0.8 μm (N6)
ATEX approval (Steel)

CE 0035 II 1/2 G Ex ia IIC T4/T5/T6 Ga/Gb
CE 0035 II 1/2 D Ex ia IIIC T x °C Da/Db

IECEx (Steel)CE 0035 II 1/2 G Ex ia IIC T4/T5/T6 Ga/Gb

CE 0035 II 1/2 D Ex ia IIIC T x °C Da/Db

ATEX approval (Plastic)CE 0035 II 1/2 G Ex ia IIA T4/T5/T6 Ga/Gb (no dust)
IECEx (Plastic)CE 0035 II 1/2 G Ex ia IIA T4/T5/T6 Ga/Gb (no dust)

Sensor Cleaning with the Retractex C

Once retracted, the sensor can be cleaned while the process is running. Cleaning fluid is connected through external ports where either manual cleaning or automated cleaning with the RetractoControl can occur.

A PTFE scraper with o-ring built into the insertion tube guarantees that process build-up stays outside of the armature and does not harm the internal o-ring seals.

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Resources

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