RIGID COUPLING

Application

Rigid coupling for grooved pipe steel. High resistance to bending and twisting.
Suitable for joining of the pipes, for sanitary and heating systems, sprinkler systems and steam systems. For the right choice of the gasket, please take a look to selection “GASKET FOR COUPLINGS”.

Technical Data

Working pressure: 20 bar up 8”; 12 bar from 10”.
Working temperature: from -34°C to +110°C with EPDM

Body: spheroidal graphite cast iron according to ASTM A536 and ISO 1083.
Surface treatment: red painted RAL 3000.
Gasket: EPDM type E according to ISO 6182, FM 1920 and UL 213.
Bolts: tempered bolts, round head with oval neck. Heavy series nuts in carbon steel according to ASTM A183.
Available on request couplings with silicone gaskets or nitrile (Buna N).

Ø est. tubo [mm]Max . adm. load [N]BoltsRecommended tightening torque [Nm]Max tightening torque[Nm]Ø [mm]L [mm]H [mm]
33,722302-M10x55355258,59447
42,225302-M10x55355267,510447
48,345812-M10x55355274,511147
60,363792-M10x6540608812147
76,1113712-M10x65406010413647
88,9155182-M10x65456811615047
114,3256522-M10x65456814818551
139,7383192-M12x857511017321651
168,3556162-M12x858012020424851
219,1942572-M16x12015022025833263
273936562-M20x13024032031839563
323,91318352-M20x13026035037244563
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