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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
- no soldering, direct connection onto the flare connection
- corresponds to the new standards and regulations of the CEN for refrigeration installations ( EN 378/1 + EN 378/2 )
- quick and easy mounting and dismounting
- marking of the dimensions on the nuts
Application:
- Whenever the installation of refrigeration tubes become difficult or impossible
(soldering in a dangerous atmosphere, or even where soldering is forbidden) the
SERTO refrigeration fitting with a nut and the compression ferrule can easily be installed
simply by using a wrench.
- The SERTO refrigeration connection fits most thermostatic valves, manometers, dehydrating filters and other components with flare type joints.
Standards:
- corresponds to the new standards and regulations of the CEN for refrigeration installations ( EN 378/1 + EN 378/2 ).
Technical features:
- no copper sealing necessary - compression ferrule - tight up to 10
-7 mbar l /s
respectively <=
0,5 gr/a
Helium for all refrigerants ( CFC/HFC/HCFC)
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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.
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SERTO refrigeration fitting