ORFS CONNECTING SYSTEM

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MAIN CHARACTERISTICS

Components of system:
 Nut
 Sleeve
 Connectors body having various configurations and O.Ring seats on one more of its ends
 NBR O.Ring Shore "A" 85÷90 temperature range -20°C +120°C.

The advantages of this type of connection are:
 Vacuum and high pressures
 No leakages (even to gases)
 Can withstand high nut torque
  Connectors can be equally coupled to metric or inch-tubes
 Easy to assemble (no special skill required)
 Can withstand repeated assemblies, replacing only O.Ring when and if required by wear and aging.

For this range of fittings, the catalogue codes feature a geometrically shaped O.Ring housing which conforms to the new ISO 8434-3 standard. This particular shape, while using standard-sized fittings, allows for permanent housing within the seat without the need for using any additive substances.

MATERIAL AND SURFACE PROTECTION

Connectors are normally made of steel and obtained from machining of controlled bar-stock (straight connectors nuts) or by hot or cold forming (shaped connectors sleeves).
All connectors, excepted those to be welded, will go through a Hexavalent Chrome free zinc plating surface treatment, according to EUROPEAN DIRECTIVE 2000/53/CE We guarantee a resistance to white corrosion of over 400 hours in salt spray test, according to standard ASTM-B-117 and ISO 9227. All threads are shock protected with plastic caps or plugs.

SEALS

All connectors requiring seals are supplied with O.Ring, seals and retaining washers when necessary. See table and illustration.

Advantage:
 Reduced assembly times. In fact, when assembling connector to tube, there is no need to insert the O.Ring into the groove with the addition of grease or else to prevent fall-off when in critical positions. O.Ring is already in place
 Easier handling. The O.Ring being permanently part of connector need not to be ordered separately nor to be handled as an inventory item
 Safer connections. Since it calls for no extra operations at assembly, it reduces the need for higher professional operators.



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