

SERTO refrigeration fitting
The new SERTO SAE flare fitting SO 40221 SAE replaces the soldering in a fast, safe and economic way. No additional sealing is needed. Only metal-to-metal sealing by the rim on the 45° Flare of the compression ferrule.
Advantage
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Application: Technical features: |

SO 40221 Nut connection SAE = Union nut SO 40220 SAE + Compression ferrule SO 40201 SAE
Armaturanschluss SAE = Anschlussmutter SO 40220 SAE + Klemmring SO 40201 SAE
Ecrou de raccordement SAE = Ecrou SO 40220 SAE + Bague de serrage SO 40201 SAE

Stiffener sleeve
Stützhülse
Douille d' appui
zur Rohrverstärkung / pour renforcer les tubes / to reinforce the tubes
Note: Some SO 400.. series part numbers for the SAE series have been changed to the SO 402..
series part numbers in 2004.
See the SERTO catalog chapter Brass M for full details.