GMM
2Pages

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Catalog excerpts

GMM - 1

STAINLESS STEEL FLEXIBLE COMPENSATORS FOR GAS Metal flexible joints suitable for the installation of gas burners, using air under pressure, enable vibration isolation and compensate for the misalignment of ducting. The soul of the joint is the metallic bellows, achieved without helical winding, but with undulations on parallel stainless steel tube. Flexible hoses are designed to absorb axial [h], angular [Ý] and lateral [e] movements as well as vibrations. In order to avoid damages to bellow, prevent torsional loads on hoses. GMM joints are fitted with threaded male-male connections; GFL and St.FB joints with flanged connections. Bellows is in stainless steel AISI 321. Flanges in carbon steel are free, enabling alignment of the holes of flanges and counterflanges, avoiding detrimental tensions and facilitating their assembly. Series Max. Temperature Max. Pressure Connections GMM 250°C 2,5 bar Threaded cone-shaped ISO R7/1 St.FB 300°C 10 bar Flanged PN 10 EN 1092 GFL 250°C 2,5 bar Flanged PN 16 EN 1092

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