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7100 Series Flange Band Protectors

The 7100 Series flange band protectors are designed to protect studs and gaskets on raised face and ring type joint flanges from atmospheric corrosion encountered in chemical plants, refineries, gas plants, offshore platforms, onshore oil fields, ships, paper mills and underground pipelines. They are also designed for use on cathodically isolated flanges to prevent foreign matter from shorting out or bridging over an isolating gasket.

The 7100 Series flange protectors are manufactured of 22 gauge 304L or 316L stainless steel band, include stainless steel worm‑gear strap and grease fitting. This standard coupling is practically indestructible and is appropriate where temperatures are high.

The flange protectors have an exclusive positive loading relief vent and plug that assures complete loading of flange cavities. The gasket is made of 3/16” closed cell neoprene for positive seal.

Specifications

Flange diameters	Nominal pipe sizes from DN15 to DN600 (½” to 24”)
Suitable flange types and series	Standard DIN EN 1092 flanges PN2.5 \| PN6 \| PN10 \| PN16 \| PN25 \| PN40 \| PN63 \| PN100 \| PN160 \| PN250 \| PN400 ANSI Flanges Class #150 \| #300 \| #400 \| #600 \| #900 \| #1500 \| #2500 API integral flanges API obsolete flanges AWWA flanges Other flange types are possible upon request
Band material	Stainless steel 304L or 316L
Band width	40 mm (1 ½”) – standard size 63 mm (2 ½”) – wide size Wider widths are available in original design upon request
Band thickness	22 gauge (0.759 mm / 0.0299”)
Hardware material	Stainless steel
Gasket material	Neoprene rubber
Operating temperature	−40 … +121 °C (−40 … +250 °F)