Backing Rings / Loose Flanges

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Composite, Glassfiber Reinforced Plastic (GRP) Backing Rings are a good, competitive alternative for stainless steel, galvanized steel, aluminum and thermoplastic products.

 

Composite Backing Rings (Loose Flanges) by Rotec have a low weight and are corrosion resistant, available from DN 15 up to DN 1400.

 

Diameters DN 200 - DN 1400 are produced by Resin Transfer Moulding (RTM). Backing Rings from DN 15 up to DN 300 are produced by hot pressing (GRV/SMC).
The performance of Rotec Backing Rings comply with the safety standards for each particular pressure class.

 

 

Advantages of Rotec flanges

  • High, stable product quality through advanced production processes;
  • Quick delivery through efficient production and warehousing at site.

 

Various diameters are available to match all types of pipe and to meet a range Stub Flange dimensions for GRP pipes (DIN 16966) as well as PE, PP and PVC pipe systems (DIN 16963). The pressure ratings are available up to 16 bars.
Standard drillings are according to DIN PN 10, BS NP 10, NFE 29-222; DIN PN 16, BS NP 16 and NFE 29-223; ASA 150 and ASA 300. Other drillings can be applied on request.

 

 

 

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A world player in flanges and fittings

Rotec Composite Group Glass fibre Reinforced Vinyl ester - GRV - and Glass fibre Reinforced Epoxy - GRE.

 

  1. 1.

    Long track record, established in the year 1990.

  2. 2.

    Supply directly from our manufacturing facility and warehouse in Lelystad, The Netherlands.

  3. 3.

    European market leader for composite flanges in diameters 25 till 2500 mm and fittings 25 till 600 mm diameter pipes and related products such as tees, reducers, couplings and custom made products GRP, GRV and GRE.

  4. 4.

    Technology based manufacturing using Resin Transfer Moulding, Vacuum Infusion, Hot Pressing, Tape Winding and Contact Moulding.

  5. 5.

    Customer portfolio includes prominent international manufacturers of composite piping systems, tanks and devices.

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