O-Ring Face Seal Fittings Adjustable

Adjustable end is male thread stud, it consist of locknut, back-up washer, o-rings and retaining ring. ORFS fittings is standard end of O-ring face seal connector to connect steel pipe, adapters or hose assembly, adjustable stud fittings are commonly found on Elbow, Tee and Cross Fittings to allow for proper orientation of the fittings. It is normal connector from Tube end to all styles of Port.

Definition: Adjustable end is male thread stud, it consist of locknut, back-up washer, o-rings and retaining ring. ORFS fittings is standard end of O-ring face seal connector to connect steel pipe, adapters or hose assembly, adjustable stud fittings are commonly found on Elbow, Tee and Cross Fittings to allow for proper orientation of the fittings. It is normal connector from Tube end to all styles of Port.


Methods of adjustable stud end: It will be assembled with a locknut, back-washer, sealing by O-ring or O-ring + Retaining Ring. There are four standards of sealing port as follows:

Metric thread + O-ring + Retaining O-ring (ISO 9974)

Metric thread + O-ring ISO 6149

UN/UNF thread + O-ring ISO 11926  SAE J1926 ORB

BSPP thread + O-ring + Retaining Ring (ISO 1179/ DIN 3852)

Burst and cyclic endurance (impulse) tests shall be conducted in according with ISO 19879.

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Dimensions, working pressure, performance, flatness and fit of adjustable studs end washers, O-rings, designations of stud ends, please contact us by email. 


1. Adjustable stud connector Elbow 1FG9-OG

Male ORFS/ BSP O-ring + Retaining O-ring 

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2. Adjustable stud connector 45 deg Elbow 1FG4-OG

Male ORFS/ BSP O-ring + Retaining O-ring

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3. Adjustable stud connector 45 deg Elbow 1FH4-OG

Male ORFS/ Metric Stud ISO6149-2 O-ring Seal

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4. Adjustable stud connector Elbow 1FH9-OG

Male ORFS/ Metric Stud ISO6149-2 O-ring Seal

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5. Adjustable stud connector 45 deg Elbow 1FO4-OG

Male ORFS/ SAE O-RING BOSS S-SERIES ISO 11926-2

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6. Adjustable stud connector Elbow 1FO9-OG

Male ORFS/ SAE ORB ISO 11926-2

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7. Adjustable stud connector Run Tee AFFG-OG

Male ORFS/ Male ORFS/ BSPP thread port O-ring + retaining ring

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8. Adjustable stud connector Run Tee AFFH-OG

Male ORFS/ Metric thread port O-ring/ Male ORFS

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9. Adjustable stud connector Run Tee AFFO-OG

Male ORFS/ UNF thread port SAE ORB/ Male ORFS

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10. Adjustable stud connector Branch Tee AFGF-OG

Male ORFS/ BSPP thread port O-ring + retaining ring/ Male ORFS

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11. Adjustable stud connector Branch Tee AFHF-OG

Male ORFS/ Metric thread O-ring port/ Male ORFS

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12. Adjustable stud connector Branch Tee AFOF-OG

Male ORFS/ UNF thread SAE ORB port/ Male ORFS

201902221356411586839


13. Adjustable stud connector Cross SDK

Male ORFS/ Male ORFS/ Male ORFS/ Metric thread ISO 6149 O-ring port

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