Instrument Tube Fittings
EC-79 certified 6D series and 20D series tube fittings
Fitting for Hydrogen-Power
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Tube Fitting

   Type of-Tube Fitting

Tube Fitting Features

  • Tube fitting Sizes range from 1/16″ to ” and 2 mm to 50 mm
  • Available for diverse materials and configurations
  • Precision machine components ensure perfect deformation of the ferrules and tubing for design
  • Hardened threads with smooth surface finish avoid galling and help to extend the fitting service life
  • Female nut threads are silver-plate to reduce the friction against the body threads
  • Radius junction design for elbows provides smooth flow path
  • Every fitting is mark with size, material and heat number
  • Fittings are easy to disconnect and re-tighten
  • 1/8″ to 5/8″, 3 mm to 16 mm fittings available with EC-79 certification

Technical Data

  • NPT Threads (NPT)
  • Comply with ASME B1.20.1, SAE AS71051
  • ISO Tapered Threads (R, R1, R2, RC, RT, PT, BSPT, ZG)
  • Comply with ISO 7-1, EN 10226-1, BS 21, DIN 2999, JIS B0203.
  • Thread ISO Parallel Threads (G, RP, PF, BSPP)
  • Type is Comply with ISO 228-1, DIN ISO 228-1, JIS B0202, BS 2779.
  • SAE/MS Threads (UN, UNJ) Straight
  • Comply with ASME B1.1, ISO R725

Furnish in a variety of Configurations and materials so that a wide range of corrosive fluids and hostile environments can be handled with readily available parts. available as the integral end of a wide variety of hand- or remotely-operated valves ranging from 1/16 in.

Tube Fitting

316 SS, Male Connector, 1/2″ Tube O.D. x 1/2″ M NPT

Male Connectors

316 SS Male Connector, 1/2″ O.D. × 1/2″ Male ISO Tapered Thread (RT)

Male Connectors

316 SS, Male Connector, 1/2″ Tube O.D. x 3/8″ M BSPP (RS)

Male Connectors

316 SS Male Connector, 3/8″ O.D. × 1/4 Male 37° Flare(AN)

Male Connectors

316 SS Male Connector, 3/8″” O.D x 3/4-16 SAE Thread Size”

Tube Fitting

316 SS, Thermocouple Male Connector, 5/8″ Tube O.D. x 3/4″ M NPT

Tube Fitting

316 SS, Female Connector, 1/2″ Tube O.D. x 1/4″ F BSPP(RG)

Female Connectors

316 SS,  Female Connector, 1/2″ Tube O.D. x 1/2″ F NPT

Union Connector

316 SS, Union, 1/2″ Tube O.D.

Union Connector

316 SS Bulkhead Union, 3/4″ O.D.
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Union Elbows

316 SS, Union Elbow, 1″ Tube O.D.

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Male Elbows

316 SS Tube Fitting, Male Elbow, 1″ O.D. × 3/4″ Male NPT

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Tube Fitting

316 SS , Adjustable Male Elbow, 1/2″ O.D. × 3/4-16 Male SAE/MS.

Tube Fitting316 SS, Tube Fitting, Female Elbow, 1/2″ Tube O.D. x 1/2″ F NPT

Union Tees

316 SS, Tube Fitting, Union Tee, 3/8″ Tube O.D.

Tube Fitting

316 SS  Female Branch Tee, 3/8″ O.D. × 3/8″ O.D. × 3/8 Female NPT

Union Tees

316 SS Male Branch Tee, 1/2″ O.D. × 1/2″ O.D. × 1/2 Male NPT

FITOK ferrule is treated with high level hardening process, both the hardness and the corrosion resistance are strengthened.

ferrule work on Tube
Ferrule Treated

Process            : Low temperature carbonization for the whole ferrule Thickness of coating : 25~30μm
Hardness          : HV0.2 800~1000
Salt spray test   : 600h no rust
Magnetism       : No
Hardened threads with smooth surface finish avoid galling and help to extend the fitting service life

Tube Fitting Leak Test with Gas media and show Bubble Submerged Medium leak