Definition: Components for SAE J 1453 and ISO 8434-3 tube fittings system, including Nut, Functional nut,  cutting ring, O-ring, bulkhead locknut, Eolastic seal ring called ED or WD ring, Metric Retaining Ring. It service to O-ring seal face connectors. 

Method of ORFS Fittings Components usage:

1. Components for ORFS stud connector body, tube nut, tube, braze-on sleeve or par-flange sleeve, O-ring, The sealing way is by Nut push the sleeve to contact the metal flat and o- ring.  

2. Sealing components for male stud connector such as follows:

O-ring ISO 6149 Port	ED Ring Flat Face Port	O-ring+Retaining Ring

1. Braze sleeve for Metric tube NB500-WF

If you need 2005 version of ISO 8434-3, please indicate as the following design: 

Braze Sleeve BRSL-A and BRSL-B

2. Parflange Sleeve for Inch Tube NB300-F

3. Parflange Sleeve for Metric Tube NB500-F

4. Tube Nut NB200-F

As per ISO 8434-3 2005 Standard Tube Nut (NA) and high-strength tube nut(NB), please indicate styles.

5. Bulkhead Locknut for SAE ORB End