DAWSONS-TECH® has developed high quality Twin Ferrule Compression Tube Fittings to meet the growing demand in the industries such as Petrochemical, Oil & Gas, Semiconductor, Power, Refinery, Nuclear, CNG & other major Industries.

DAWSONS-TECH® Twin Ferrule Tube Fittings have been carefully designed & manufactured under strict quality assurance procedures meeting the requirements of ISO 9001-2015 & PED 2014/68 EU.

Construction & Unique Features of Twin Ferrule Compression Tube Fittings
Comparison of DAWSONS-TECH® vs SWAGELOK® Tube Fittings :
FEATURESDAWSONS-TECH® vs SWAGELOK®
Twin Ferrule DesignYes
Traceable Quality SS316Yes
Silver Plated & Dry Lubricated NutYes
Low Torque assemblyYes
Case Hardened Back FerruleYes
Thread Design to allow intermix of ComponentsSame
Shoulder Marking to distinguish between Metric & Imperial sizeSame
Ability to Identity different thread forms through body markingSame
Stringent Quality Assurance StandardYes
Installation proceduresSame
Gaugeability to check correct installationSame
Pressure Rating UPTO 10,000 PSIG (690 bar)Same
Temperature Rating UPTO 538O CSame
Requirement of Tube SpecificationsSame
Leak integritySame
Type Test :

DAWSONS-TECH® SS316 Twin Ferrule Tube Fittings have been satisfactorily type tested to ASTM F1387-19 Standard specifications for performance of Piping & Tubing mechanical attached Fittings under witness of M/s. TUV Rheinland are as under :

• Examination of Test SpecimenAnnex : A2
• Pneumatic Proof TestAnnex : A3
• Hydrostatic Proof TestAnnex : A4
• Impulse Test & Repeated Assembly TestAnnex : A5 & A9
• Flexure Fatigue Test & Repeated Assembly TestAnnex : A6 & A9
• Tensile TestAnnex : A7
• Hydrostatic Burst TestAnnex : A8
• Rotary Flex TestAnnex : A10
• Thermal Cycling TestAnnex : S2
• Elevated Temperature Soak TestAnnex : S3
• Vibration TestAnnex : S8
Intermix & Interchange Test :

DAWSONS-TECH® Twin Ferrule Tube Fittings have been Intermixed & Interchanged with Swagelok® Tube Fittings. Following performance test carried out satisfactorily :

• Pneumatic Proof TestAnnex : A3
• Hydrostatic Proof TestAnnex : A4
• Hydrostatic Burst TestAnnex : A8
Product Range and Operating Parameters :
  • Pressure Rating: Vacuum to 10,000 PSIG (680 Bar) depending on Material, Size & type of Fittings at CWP.
  • Temperature Rating: Cryogenic to 538o C (depending on Material).
  • Available Size :
    • Fractional : 1/8” to 1” ODT
    • Metric :  3mm to 25mm ODT
  • End Connections :1/8” to 1” BSPP / BSPT / NPT / SAE Pipe Threads & Butt / Socket Weld Connections.
    Applications :
    Instrumentation, Alternative Fuel, High Pressure, Deep Vacuum, General Services, etc.
    Twin Ferrule Tube Fittings are also known as :
     Instrumentation Tube Fittings, Twin Ferrule Tube Fittings, Two Ferrule Tube Fittings, Ferrule Fittings, Compression Tube Fittings, Tube Fittings, Swagelok® Tube Fittings, Swagelok® Fittings, A-Lok® Fittings, Compression Fittings, etc.

    Note :
    Swagelok® is a registered trademark of Swagelok® company.
    A-Lok® is a registered trademark of Parker® Hannifin.
    View / Download Catalogue