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Design

STAUFF ACT Clamps are an innovatively designed solution for the installation of instrumentation pipework where anti-corrosion properties are of paramount importance (e.g. in the fields of offshore oil and gas exploration and processing).
 
The design – based on the tried and tested STAUFF Clamps according to DIN 3015 – offers installation time reduction and long term cost savings due to extended service intervals.

The STAUFF ACT clamp body design is available for the Standard Series (DIN 3015, Part 1) and the Twin Series (DIN 3015, Part 3) to cover the most commonly used metric and imperial pipe diameters from 6 mm to 42 mm (from 1/4 inch to 1 1/2 inch).

Alternative cofigurations and pipe diameters are available on request.

Development

Throughout their development, STAUFF ACT Clamps have been subject to stringent testing at the STAUFF in-house laboratories located in Werdohl, Germany.

In order to ensure credibility of the product, the development process has also involved independent testing:

To achieve this, the services of the Centre for Corrosion Technology at Sheffield Hallam University’s Materials and Engineering Research Institute have been utilized, applying advanced techniques with equipment such as high resolution surface metrology and form measurement systems.

In a controlled laboratory environment, continous hot salt spray tests according to ASTM B117 have been applied for periods of 2000 hours to various clamp configurations holding 316 stainless steel tubing.

In addition to that, independent field test samples – located on an oil rig in the Dutch sector of the North Sea – have also been assessed at the Sheffield Hallam University facilities.

Both independent tests have recorded positive results in favour of the anti-corrosion attributes of the STAUFF ACT Clamp.

Fully detailed test reports are available upon request.

 

Conformity

The clamp bodies of the STAUFF ACT Clamps are made of flame-retardant PPV0 plastic material, which is and V0-classified according to UL 94 (Underwriters Laboratories: "Tests for Flammability of Plastic Materials for Parts in Devices and Applications", identical with IEC/DIN EN 60695-11-10 and -20 and the Canadian CSA C 22.2).

STAUFF ACT Clamps have been constructed in compliance with section 7.3 (Tubing Installation) of the Norwegian offshore standard Norsok Z-010 (Revision 3, published in October 2000), API RP 552 and NACE SP 0108-2008 (section 13).

Innovative Design and Materials

▪ Material and design in compliance with section 7.3 (Tubing Installation) of the Norwegian offshore standard
  Norsok Z-010 (Revision 3, published in October 2000 ), API RP 552 and NACE SP 0108-2008 (section 13)

 Clamp body made of flame-retardant PP-V0 plastic material (tested and V0 classified according to UL 94)
 Integrated anti-corrosion elastomer strips avoid the accumulation of seawater between clamp body and pipe
 Drainage channels aid the dispersal of seawater (self-draining)
 ACT Mounting Hardware is made of Stainless Steel V4A (Material Code: W55) with enhanced corrosion resistance
 by practically excluding metallic and non-metallic impurities during production, processing and handling

▪ Suitable for continuous exposure to temperatures from -25 °C to +80 °C (from -13 °F to +176 °F)
▪ High UV stability of the clamp body material; resistant against seawater, rain and oil
▪ To be used in sub-sea and top-side environments; alleviating the requirement for two different products

 

 

 

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